參數(shù)資料
型號(hào)： M37641M8-XXXFP
廠商： Mitsubishi Electric Corporation
英文描述： SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述： 單芯片8位CMOS微機(jī)
文件頁數(shù)： 5/149頁
文件大?。?/td> 1997K
代理商： M37641M8-XXXFP
5
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
7641 Group
PRELIMINARY
Notice: This is not a final specification.
change.
Some parametric limits are subject to
Pin
Name
Function except a port function
Master CPU bus interface pin
Function
Table 2 Pin description (2)
P6
0
/DQ
0
–
P6
7
/DQ
7
I/O port P6
8-bit I/O port.
CMOS compatible input level.
CMOS 3-state output structure.
I/O direction register allows each pin to be individually
programmed as either input or output.
When enabling the bus interface function, CMOS or TTL
input level can be selected as its input.
5-bit I/O port.
CMOS compatible input level.
CMOS 3-state output structure.
I/O direction register allows each pin to be individually
programmed as either input or output.
P7
0
/SOF,
P7
1
/HOLD,
P7
2
/S
1
,
P7
3
/IBF
1
/
HLDA,
P7
4
/OBF
1
P8
0
/UTXD
2
/
SRDY,
P8
1
/URXD
2
/
SCLK,
P8
2
/CTS
2
/
SRXD,
P8
3
/RTS
2
/
STXD,
P8
4
/UTXD
1
,
P8
5
/URXD
1
,
P8
6
/CTS
1
,
P8
7
/RTS
1
I/O port P7
I/O port P8
8-bit I/O port.
CMOS compatible input level.
CMOS 3-state output structure.
I/O direction register allows each pin to be individually pro-
grammed as either input or output.
USB function pin
Master CPU bus interface pin
Serial I/O pin
UART2 pin
UART1 pin
Remarks
DMA
OUT
pin
If externally detecting the timing of DMA execution, use the signal from this pin. It is “H” level during DMA transferring. This signal is valid in the memory expansion
and microprocessor modes.
SYNC
OUT
pin
If externally detecting the timing of OP code fetch, use the signal from this pin. This signal is valid in the memory expansion and microprocessor modes.
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