M38D59GCHP#U0 Renesas Electronics America, M38D59GCHP#U0 Datasheet - Page 88
M38D59GCHP#U0
Manufacturer Part Number
M38D59GCHP#U0
Description
IC 740/38D5 MCU QZ-ROM 80LQFP
Manufacturer
Renesas Electronics America
Series
740/38000r
Datasheet
1.M38D58G8FPU0.pdf
(144 pages)
Specifications of M38D59GCHP#U0
Core Processor
740
Core Size
8-Bit
Speed
12.5MHz
Connectivity
SIO, UART/USART
Peripherals
LCD, LED, PWM, WDT
Number Of I /o
59
Program Memory Size
48KB (48K x 8)
Program Memory Type
QzROM
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
80-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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38D5 Group
Rev.3.04
REJ03B0158-0304
Standard serial I/O Mode
The standard serial I/O mode inputs and outputs the software
commands, addresses and data needed to operate (read, program,
erase, etc.) the internal flash memory. This I/O is clock
synchronized serial. This mode requires a purpose-specific
peripheral unit.
The standard serial I/O mode is different from the parallel I/O
mode in that the CPU controls flash memory rewrite (uses the
CPU rewrite mode), rewrite data input and so forth. The standard
serial I/O mode is started by connecting “H” to the CNV
and “H” to the P4
operation. (In the ordinary microcomputer mode, set CNV
to “L” level.) This control program is written in the Boot ROM
area when the product is shipped from Renesas. Accordingly,
make note of the fact that the standard serial I/O mode cannot be
used if the Boot ROM area is rewritten in parallel I/O mode. The
standard serial I/ O mode has standard serial I/O mode 1 of the
clock synchronous serial and standard serial I/O mode 2 of the
clock asynchronous serial. Tables 20 and 21 show description of
pin function (standard serial I/O mode). Figure 80 to 83 show the
pin connections for the standard serial I/O mode.
In standard serial I/O mode, only the User ROM area shown in
Figure 70 can be rewritten. The Boot ROM area cannot be
written.
In standard serial I/O mode, a 7-byte ID code is used. When there
is data in the flash memory, this function determines whether the
ID code sent from the peripheral unit (programmer) and those
written in the flash memory match. The commands sent from the
peripheral unit (programmer) are not accepted unless the ID code
matches.
May 20, 2008 Page 86 of 134
1
(BOOTENT) pin, and releasing the reset
SS
SS
pin
pin
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