參數(shù)資料
型號(hào): M37481E8SP
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): 16/97頁(yè)
文件大?。?/td> 1076K
代理商: M37481E8SP
MITSUBISHI MICROCOMPUTERS
7480/7481 GROUP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
16
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
Fig. 14 Block diagram of ports (3)
Data bus
Multi-
plexer
Port P2
A-D conversion
circuit
Port P2
Port P3
INT
0
,
INT
1
Data bus
Port P3
Data bus
Port P4
0
, P4
1
CNTR
0
,
CNTR
1
input
Port P4
2
, P4
3,
P5
0
, P5
1,
P5
2
, P5
3
Data bus
Port P4
2
, P4
3,
P5
0
, P5
1,
P5
2
, P5
3
Timer output
Timer
X,Y
operating
mode bits
“001”
“100”
“101”
“110”
Port P4 P5 input control register
(For the 7480 group) Set this bit to “0”.
(For the 7481 group) Set this bit to “1”.
Port P4
0
, P4
1
Direction register
Port latch
Direction register
Port latch
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