參數(shù)資料
型號(hào)： M37540M4T-XXXGP
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(yè)數(shù)： 13/64頁(yè)
文件大?。?/td> 668K
代理商： M37540M4T-XXXGP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
7540 Group
MITSUBISHI MICROCOMPUTERS
13
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
Fig. 14 Block diagram of ports (1)
(6)Port P1
1
Data bus
Port latch
Serial I/O1 output
P1
1
/T
x
D
1
P-channel output disable bit
(5)Port P1
0
(4)Ports P0
4–
P0
7
(1)Port P0
0
Direction
Data bus
Port latch
Pull-up control
To key input interrupt
CNTR
1
interrupt input
(2)Ports P0
1,
P0
2
Pulse output mode
Timer output
(7)Port P1
2
Serial I/O1, serial I/O2 clock output
Serial I/O1 mode selection bit
Serial I/O1 enable bit
Serial I/O1 enable bit
Serial I/O1 synchronous
clock selection bit
CLK2
pin
S
(3)Port P0
3
Direction
Data bus
Port latch
Pull-up control
To key input interrupt
Direction
register
Data bus
Port latch
Pull-up control
To key input interrupt
Timer output
3
/TX
OUT
P0
Direction
register
Data bus
Port latch
Pull-up control
To key input interrupt
Direction
Data bus
Port latch
SReceive enable bit
Serial I/O1 input
0
, P1
2
, P1
3
P1
Direction
Serial I/O1 enable bit
Transmit enable bit
Direction
Data bus
Port latch
Serial I/O1, serial I/O2 clock input
P1
0
, P1
2
, P1
3
input level
selection bit
*
*
*
P1
0
, P1
2
, P1
3
, P3
6
, and P3
7
input level are switched to the CMOS/TTL level by the port P1P3 control register.
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