S9S12G240F0CLFR Freescale Semiconductor, S9S12G240F0CLFR Datasheet - Page 633
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S9S12G240F0CLFR
Manufacturer Part Number
S9S12G240F0CLFR
Description
16-bit Microcontrollers - MCU 16BIT 240KB FLASH
Manufacturer
Freescale Semiconductor
Datasheet
1.S9S12G96F0CLL.pdf
(1292 pages)
Specifications of S9S12G240F0CLFR
Rohs
yes
Core
S12
Processor Series
MC9S12G
Data Bus Width
16 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
240 KB
Data Ram Size
4 KB
On-chip Adc
Yes
Operating Supply Voltage
3.13 V to 5.5 V
Operating Temperature Range
- 40 C to + 125 C
Package / Case
LQFP-48
Mounting Style
SMD/SMT
Available stocks
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Part Number:
S9S12G240F0CLFR
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Freescale Semiconductor
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18.4.7.3
A message is successfully received and shifted into the foreground buffer (RxFG) of the receiver FIFO.
This interrupt is generated immediately after receiving the EOF symbol. The RXF flag is set. If there are
multiple messages in the receiver FIFO, the RXF flag is set as soon as the next message is shifted to the
foreground buffer.
18.4.7.4
A wake-up interrupt is generated if activity on the CAN bus occurs during MSCAN sleep or power-down
mode.
18.4.7.5
An error interrupt is generated if an overrun of the receiver FIFO, error, warning, or bus-off condition
occurrs.
18.4.7.6
Interrupts are directly associated with one or more status flags in either the
(CANRFLG)
one of the corresponding flags is set. The flags in CANRFLG and CANTFLG must be reset within the
interrupt handler to handshake the interrupt. The flags are reset by writing a 1 to the corresponding bit
position. A flag cannot be cleared if the respective condition prevails.
Freescale Semiconductor
•
•
Overrun — An overrun condition of the receiver FIFO as described in
Structures,” occurred.
CAN Status Change — The actual value of the transmit and receive error counters control the
CAN bus state of the MSCAN. As soon as the error counters skip into a critical range
(Tx/Rx-warning, Tx/Rx-error, bus-off) the MSCAN flags an error condition. The status change,
which caused the error condition, is indicated by the TSTAT and RSTAT flags (see
Section 18.3.2.5, “MSCAN Receiver Flag Register
Receiver Interrupt Enable Register
MSCAN Receiver Flag Register (CANRFLG)
Receive Interrupt
Wake-Up Interrupt
Error Interrupt
Interrupt Acknowledge
or the
This interrupt can only occur if the MSCAN was in sleep mode (SLPRQ = 1
and SLPAK = 1) before entering power down mode, the wake-up option is
enabled (WUPE = 1), and the wake-up interrupt is enabled (WUPIE = 1).
It must be guaranteed that the CPU clears only the bit causing the current
interrupt. For this reason, bit manipulation instructions (BSET) must not be
used to clear interrupt flags. These instructions may cause accidental
clearing of interrupt flags which are set after entering the current interrupt
service routine.
MSCAN Transmitter Flag Register
MC9S12G Family Reference Manual, Rev.1.23
(CANRIER)”).
NOTE
NOTE
indicates one of the following conditions:
(CANTFLG). Interrupts are pending as long as
Freescale’s Scalable Controller Area Network (S12MSCANV3)
(CANRFLG)” and
MSCAN Receiver Flag Register
Section 18.3.2.6, “MSCAN
Section 18.4.2.3, “Receive
635
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