參數(shù)資料
型號: M37540M4
廠商: Mitsubishi Electric Corporation
英文描述: CABLE ASSEMBLY; 7/16" MALE TO 7/16" MALE; 50 OHM, RG218/U COAX; 48" CABLE LENGTH
中文描述: 單芯片8位CMOS微機
文件頁數(shù): 14/64頁
文件大?。?/td> 668K
代理商: M37540M4
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
7540 Group
MITSUBISHI MICROCOMPUTERS
14
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
Fig. 15 Block diagram of ports (2)
Pull-up control
INT interrupt input
P3 input level
selection bit
(11) Ports P3
0
–P3
5
Pull-up control
(9) Port P1
4
Data bus
Serial I/O1 ready output
Serial I/O2 output
Serial I/O2 input
S
DATA2
pin selection bit
Port latch
Direction
register
S
DATA2
output in operation signal
CNTR
0
interrupt input
Pulse output mode
Timer output
P1
0
, P1
2
, P1
3
input level
selection bit
Serial I/O mode selection bit
Serial I/O1 enable bit
S
RDY1
output enable 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.
Data bus
Port latch
Direction
register
Data bus
Port latch
Direction
register
Data bus
Port latch
Direction
register
A-D converter input
Analog input pin
selection bit
(12) Ports P3
6
, P3
7
Data bus
Port latch
Direction
register
*
*
(10) Ports P2
0
–P2
7
*
(8) Port P1
3
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