參數(shù)資料
型號: M37532
廠商: Mitsubishi Electric Corporation
英文描述: Single Chip 8 Bits CMOS Microcomputer(8位單片機)
中文描述: 單芯片的CMOS 8位單片機(8位單片機)
文件頁數(shù): 13/50頁
文件大?。?/td> 524K
代理商: M37532
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
7532 Group
MITSUBISHI MICROCOMPUTERS
13
Fig. 13 Block diagram of ports (1)
Data bus
+
(1) Port P0
Data bus
Direction
register
Port latch
Pull-up control
To key input interrupt
generating circuit
Data bus
Direction
register
Port latch
Serial I/O1 mode selection bit (b7)
Serial I/O1 mode selection bit (b6)
Receive enable bit
Serial I/O1 mode selection bit (b7)
Serial I/O1 mode selection bit (b6)
P1
0
,P1
2
,P1
3
input
level selection bit
D- input
D- output
Serial I/O1 input
USB output enable
(internal signal)
USB differential input
D+ input
D+ output
Serial I/O1 output
USB output enable
(internal signal)
Direction
register
Port latch
(3) Port P1
1
P-channel output disable bit
(2) Port P1
0
(4) Port P1
2
(5) Port P1
3
Data bus
Direction
register
P1
0
,P1
2
,P1
3
input
level selection bit
S
CLK
pin selection bit
Port latch
Serial I/O2 clock output
Serial I/O2 clock input
Serial I/O2 clock output
Serial I/O2 clock input
P1
0
,P1
2
,P1
3
input
level selection bit
Data bus
Direction
register
Signals during the
S
DATA
output action
S
DATA
pin selection bit
Port latch
S
pin
selection bit
P1
0
, P1
2
, P1
3
input levels are switched to the CMOS/TTL level by the port P1P3 control register.
When the TTL level is selected, there is no hysteresis characteristics.
Serial I/O1 mode selection bit (b7)
Serial I/O1 mode selection bit (b6)
Serial I/O1 mode selection bit (b7)
Serial I/O1 mode selection bit (b6)
Transmit enable bit
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