M37702S1BFP MITSUBISHI, M37702S1BFP Datasheet

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... The differences between M37702M2AXXXFP, M37702M2BXXXFP, M37702S1AFP and M37702S1BFP are the ROM size and the ex- ternal clock input frequency as shown below. Therefore, the following descriptions will be for the M37702M2AXXXFP unless otherwise noted. ...

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... M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER Data Buffer DB (8) H Data Buffer DB (8) L Instruction Queue Buffer Q (8) 0 Instruction Queue Buffer Q (8) 1 Instruction Queue Buffer Q (8) 2 Incrementer(24) Program Address Register PA(24) Data Address Register DA(24) Incrementer/Decrementer(24) Program Counter PC(16) Program Bank Register PG(8) Data Bank Register DT(8) ...

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... Output current Memory expansion Operating temperature range Device structure Package MITSUBISHI MICROCOMPUTERS M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER 103 250 ns (the fastest instruction at external clock 16 MHz frequency) 160 ns (the fastest instruction at external clock 25 MHz frequency bytes 512 bytes ...

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... I/O port – P8 I/O port M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP Input/Output Supply 5 V ± 10 Input This pin controls the processor mode. Connect for external ROM types. CC Input To enter the reset state, this pin must be kept at a “L” condition which should be maintained for the required time ...

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... Bank FF 16 FFFFFF 16 Fig. 1 Memory map M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP The 16 K bytes area from addresses C000 built-in ROM. Addresses FFD6 interrupt vector addresses and contain the interrupt vectors. Refer to the section on interrupts for details. The 512 bytes area from addresses 80 built-in RAM ...

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... UART 1 transmit/receive control register 1 00003E UART 1 receive buffer register 00003F Fig. 2 Location of peripheral devices and interrupt control registers 6 MITSUBISHI MICROCOMPUTERS M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER Address (Hexadecimal notation) 000040 Count start flag 000041 000042 One-shot start flag 000043 ...

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... Data bank register DT DT Fig. 3 Register structure M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER ister when flag x is “1”. Flag part of the processor status reg- ister (PS) which is described later. In index addressing mode, register X is used as the index register and the contents of this address is added to obtain the real ad- dress ...

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... MITSUBISHI MICROCOMPUTERS M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER PROCESSOR STATUS REGISTER (PS) Processor status register (PS 11-bit register. It consists of a flag to indicate the result of operation and CPU interrupt levels. Branch operations can be performed by testing the flags and N ...

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... CLP instructions. Fig. 4 Relationship between the CPU and the bus interface unit M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP 9. Processor interrupt priority level (IPL) The processor interrupt priority level (IPL) consists of 3 bits and determines the priority of processor interrupts from level 0 to level 7 ...

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... Waveform (4), (5), and (6) are expansion _ of each “L” width of E signal in waveform (2), first half of waveform (2), and the last half of waveform (2) respectively. Instruction code read, data read, and data write are described be- low. 10 M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP Internal clock (1) __ (2) (3) (4) signal the wait bit ...

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... CPU to the _ address bus. Then when the E signal is “L”, the bus interface unit sends the data in the data buffer to the data bus and writes it to memory. MITSUBISHI MICROCOMPUTERS M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER 11 ...

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... B0 to timer Interrupt control register configuration for Fig. 6 Interrupt control register configuration 12 M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER Table 1. Interrupt types and the interrupt vector addresses Interrupts A-D conversion UART1 transmit UART1 receive UART0 transmit ...

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... They are sampled at the first half and latched at the last half of the opera- tion code fetch cycle. M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER Because priority resolution takes some time, no sampling pulse is Addresses generated for a certain interval even the next operation code fetch cycle ...

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... Fig. 9 Interrupt priority resolution time Fig. 10 Processor mode register configuration 14 M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER Table 3. Value set in processor interrupt level (IPL) during an interrupt Interrupt types Reset ____ DBC Watchdog timer Zero divide BRK instruction ” ...

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... TAi OUT ( – 4) Fig. 11 Block diagram of timer A M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER (1) Timer mode [00] Figure 12 shows the bit configuration of the timer Ai mode register during timer mode. Bits 0, 1, and 5 of the timer Ai mode register must always be “0” in timer mode. ...

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... Fig. 12 Timer Ai mode register bit configuration during timer mode 16 M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP while it is “L”. Note that the duration of “H” or “L” on the TAi more cycles of the timer count source. pin. When data is written to timer Ai register with timer Ai halted, the same data is also written to the reload register and the counter ...

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... Bit Fig. 14 Count waveform when gate function is available MITSUBISHI MICROCOMPUTERS M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER Count start flag 0 (Stop at “0”, Start at “1”) Timer A0 count start flag Timer A1 count start flag Timer A2 count start flag ...

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... Therefore, bit 4 should be “0” unless the output from the TAi to select the count direction. 18 M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER OUT Fig. 15 Timer Ai mode register bit configuration during event counter mode (increment count) ...

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... IN Increment- count at each edge Fig. 18 Two-phase pulse processing operation of timer A4 M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP Bits 6 and 7 are ignored. Note that bits 5, 6, and 7 of the up-down flag register (44 lection bit for timer A2, A3, and A4 respectively. Each timer operates in normal event counter mode when the corresponding bit is “ ...

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... The counter is reloaded with new data from the reload register at the next reload time. Undefined data is read when timer Ai is read. 20 M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP pin the TAi pin goes ...

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... TAi OUT Fig. 23 Example when trigger is re-issued during pulse output M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER Example when the contents of the reload register is 0003 Example when the contents of the reload register is 0004 MITSUBISHI MICROCOMPUTERS . ...

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... A pulse is gen- erated when the counter reaches 0000 16 At the same time, the contents of the reload register is transferred to the counter and count is continued. 22 M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER when OUT pin IN Fig ...

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... Fig. 26 8-bit length pulse width modulator output pulse example M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER If the high order 8-bit of the reload register is m, the duration “H” of pulse is selected clock frequency And the output pulse period is ...

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... Fig. 27 Timer B block diagram 24 M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP As shown in Figure 13, the timer Bi count start flag is at the same address as the timer Ai count start flag. The count is decremented, an interrupt occurs, and the interrupt request bit in the timer Bi in- terrupt control register is set when the contents becomes 0000 At the same time, the contents of the reload register is stored in the counter and count is continued ...

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... The period from the fall of the input signal to the next fall is measured in this way. M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP Fig. 28 Timer Bi mode register bit configuration during timer ...

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... Fig. 32 Pulse width measurement mode operation 26 MITSUBISHI MICROCOMPUTERS M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER signal to the next fall as shown in Figure 32. When timer Bi is read, the contents of the reload register is read. Note that in this mode, the interval between the fall of the TBi input signal to the next rise or from the rise to the next fall must be at least two cycles of the timer count source ...

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... No sleep 1 : Sleep Fig. 34 UART i Transmit/ Receive mode register bit configuration M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP nous (UART) serial I/O port using start and stop bits. Figures 35 and 36 show the connections of receiver/transmitter according to the mode. Figure 37 shows the bit configuration of the UARTi transmit/re- ceive control register ...

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... Stop “0” bit bit 1 stop bit Fig. 36 Transmitter block diagram SUM PER FER OER Fig. 37 UARTi Transmit/Receive control register bit configuration 28 M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP Data bus (odd) Data bus (even bit 9 bit ...

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... T j signal goes “H”. END M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP The bit 3 (TxEPTYj flag) of UARTj transmit/receive control regis- ter 0 changes to “1” at the next cycle after the T “H” and changes to “0” when transmission starts. Therefore, this flag can be used to determine whether data transmission has completed ...

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... TI j Write in transmission buffer register CTSj CLK j T ENDj EPTY j X Fig. 39 Clock synchronous serial I/O timing 30 M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP TxD TxD j RxD RxD CLK CLK CTS RTS ...

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... Fig. 41 Transmit timing example when 9-bit asynchronous communication with no parity and 2 stop bits is selected M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP The selected internal or external clock is divided by (n +1), then by 16, and passed through a control circuit to create the UART trans- mission clock or UART receive clock. ...

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... Fig. 42 Receive timing example when 8-bit asynchronous communication with no parity and 1 stop bit is selected. 32 M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP When the transmission register becomes empty after the contents has been transmitted, data is transferred automatically form the transmission buffer register to the transmission register if the next transmission start condition is satisfied ...

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... The main microcomputer first sends data with bit 7 set to “1” and bits set to the address of the subordinate microcomputer which wants to communicate with. Then all subordinate microcom- M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP transmit/re- puters receive the same data. Each subordinate microcomputer i ...

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... TRG Fig 43 A-D converter block diagram 34 M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER selected by the AD is the clock AD )/8. When bit 7 is “1” f(X )/4. The AD IN Fig 44 A-D control register bit configuration A-D conversion speed selection ...

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... A-D register 7 because the AD pin is shared with AN pin. 7 M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER The operation is the same as done by software trigger except that the A-D conversion start flag is not cleared after A-D conversion and a retrigger can be available during A-D conversion. ...

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... STP instruction. Refer to the section on clock generation circuit for more details. The watchdog timer hold the contents during a hold state and the frequency is stopped to input. 36 M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP Watchdog timer frequency selection (connection forced determined by the ...

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... Timer B1 mode register 16 (5D ) (28) Timer B2 mode register 16 Fig. 48 Microcomputer internal status during reset M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP M37702M2AXXXFP . 16 RESET 28 Fig. 49 Example of a reset circuit (perform careful evaluation at the system design level before using (29) Processor mode register ••• ...

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... E pin output. In memory expansion mode, microprocessor mode, and evalua- tion chip mode, ports are also used as address, data, and control signal pins. Refer to the section on processor modes for more details. 38 MITSUBISHI MICROCOMPUTERS M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER ...

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... Data bus • Ports Data bus • E Fig. 50 Block diagram for ports single-chip mode and the E pin output M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP , P2 – – – P4 (Inside dotted-line not included – ...

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... Fig. 51 Processor mode register bit configuration 40 M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER • BYTE pin When accessing the external memory, the level of the BYTE pin is used to determine whether to use the data bus as 8-bit width or 16-bit width. ...

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... When processor mode register bit 7 =“0” Port Same as above except P4 When processor mode register bit 7 =“1” Fig. 52 Processor mode and ports functions M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER 0 1 Memory Expansion Mode Address ...

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... ALE Fig. 54 Relationship between wait bit and access time 42 M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP (1) Single-chip mode [00] Single-chip mode is entered by connecting the CNV and starting from reset. Ports all function as normal I/O ports. Port P4 pin setting bit 7 of processor mode register to “1”. ...

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... When these addresses are accessed, the data bus width is treated as 16 bits regardless of the BYTE pin level, and the ac- cess cycle is treated as internal memory regardless of the wait bit. M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP When a voltage twice the V the addresses corresponding to the internal ROM area are also treated as 16-bit data bus. ...

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... Interrupt request S Q STP instruction OUT Fig. 55 Block diagram of a clock generator 44 M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER stops is written to watch stops at Fig. 56 Circuit using a ceramic resonator External clock source Vcc Vss Fig. 57 External clock input circuit ...

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... Family machine instruction list for details. DATA REQUIRED FOR MASK ORDERING Please send the following data for mask orders. (1) Mask ROM order confirmation form (2) 80P6N mark specification form (3) ROM data (EPROM 3 sets) MITSUBISHI MICROCOMPUTERS M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER 45 ...

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... CC A-D CONVERTER CHARACTERISTICS Symbol Parameter — Resolution — Absolute accuracy R Ladder resistance LADDER t Conversion time CONV V Reference voltage REF V Analog input voltage IA 46 M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP ( °C, f Test conditions – – – – ...

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... – M37702M2AXXXFP, M37702S1AFP M37702M2BXXXFP, M37702S1BFP for ports P4, P5, P6, and P7 must less, and the sum of I OL(peak) MITSUBISHI MICROCOMPUTERS SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER Conditions Ratings –0 –0 –0 –0 +0.3 CC –0 ...

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... Port P2 input hold time h(E–P2D) ____ t RDY input hold time h( 1–RDY) _____ t HOLD input hold time h( 1–HOLD) 48 M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER = 5 V ± 10 °C, unless otherwise noted Parameter Parameter Parameter MITSUBISHI MICROCOMPUTERS Limits ...

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... Power supply current CC A-D CONVERTER CHARACTERISTICS Symbol Parameter — Resolution — Absolute accuracy R Ladder resistance LADDER t Conversion time CONV V Reference voltage REF V Analog input voltage IA M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP ( °C, f Test conditions – – – – ...

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... OUT t TAi input setup time su(UP-T ) OUT IN t TAi input hold time h(T -UP) OUT IN 50 M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER Parameter Parameter Parameter Parameter Parameter MITSUBISHI MICROCOMPUTERS Limits 16 MHz 25 MHz Unit Min. Max. Min. Max. 125 80 ns ...

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... External interrupt INT input i Symbol ____ t INT input high-level pulse width w(INH) i ____ t INT input low-level pulse width w(INL) i M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER Parameter Parameter Parameter Parameter Parameter Parameter MITSUBISHI MICROCOMPUTERS Limits 16 MHz 25 MHz Unit Min. Max. Min. Max. ...

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... BHE hold time h(E–BHE R/W hold time h(E–R/ pulse width w(EL) 52 M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER ( ± 10 °C, unless otherwise noted Test conditions Fig. 58 (when wait bit = “1”) Test conditions Fig. 58 ...

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... R/W hold time h(E–R/ pulse width w(EL) Fig. 58 Testing circuit for ports P0–P8, MITSUBISHI MICROCOMPUTERS M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER (when wait bit = “0”, and external memory area accessed) Test conditions Fig 100 ...

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... Port P3 output Port P3 input Port P4 output Port P4 input Port P5 output Port P5 input Port P6 output Port P6 input Port P7 output Port P7 input Port P8 output Port P8 input 54 MITSUBISHI MICROCOMPUTERS M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER d(E–P0Q su(P0D–E) h(E–P0D) t d(E– ...

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... TAi input IN (when count by falling) TAi input IN (when count by rising) TBi input IN input AD TRG CLK i TxD i RxD i input INTi M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER t c(TA) t w(TAH) t w(TAL) t c(UP) t w(UPH) t w(UPL h(T –UP) su(UP– c(TB) t w(TBH) ...

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... HOLD t d( output HLDA Test conditions • 10% CC • Input timing voltage : V • Output timing voltage : V 56 M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP t t su(RDY– –RDY su(RDY– –RDY –HLDA 1 4.0 V ...

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... Port P3 output 2 (ALE) Port P3 output 1 (BHE) Port P3 output 0 (R/W) Test conditions • ± 10% CC • Output timing voltage : V OL • Ports P1, P2 input : V IL M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER w( w(EL) t h(E-P0A) Address t h(ALE-P1A) t h(E-P1Q) Address ...

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... Port P3 output 2 (ALE) Port P3 output 1 (BHE) Port P3 output 0 (R/W) Test conditions • ± 10% CC • Output timing voltage : V OL • Ports P1, P2 input : M37702M2AXXXFP, M37702M2BXXXFP M37702S1AFP, M37702S1BFP t d( w(EL) t h(E-P0A) Address t t h(ALE-P1A) h(E-P1Q) Address Data t d(E-P1Q) t d(P1A-ALE) t h(E-P1A) Address ...

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... MITSUBISHI DATA BOOK SINGLE-CHIP 16-BIT MICROCOMPUTERS Vol.1 Mar. First Edition 1996 Editioned by Committee of editing of Mitsubishi Semiconductor Data Book Published by Mitsubishi Electric Corp., Semiconductor Division This book, or parts thereof, may not be reproduced in any form without permission of Mitsubishi Electric Corporation. © 1996 MITSUBISHI ELECTRIC CORPORATION Printed in Japan ...