參數(shù)資料
型號: M37531RSS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, 8 MHz, MICROCONTROLLER, CDIP42
封裝: SHRINK, CERAMIC, PIGGY BACK, DIP-42
文件頁數(shù): 6/76頁
文件大?。?/td> 1022K
代理商: M37531RSS
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
7531 Group
MITSUBISHI MICROCOMPUTERS
14
Fig. 15 Block diagram of ports (1)
(5) Port P13
Data bus
Signals during the SDATA
output action
Serial I/O2 output
SDATA pin selection bit
P10,P12,P13 input
level selection bit
Serial I/O2 input
SDATA pin
selection bit
Direction
register
Port latch
(1) Port P0
Data bus
Pull-up control
Data bus
Serial I/O1 enable bit
Receive enable bit
Serial I/O1 input
(2) Port P10
Direction
register
Port latch
P10,P12,P13 input
level selection bit
Direction
register
Port latch
To key input interrupt
generating circuit
(3) Port P11
Data bus
Serial I/O1 output
P11/TxD P-channel output disable bit
Direction
register
Port latch
Serial I/O1 enable bit
Transmit enable bit
(4) Port P12
Data bus
Serial I/O2 clock output
SCLK pin selection bit
Serial I/O2 clock input
Direction
register
Port latch
P10,P12,P13 input
level selection bit
(6) Port P14
Data bus
Timer output
Pulse output mode
CNTR0 interrupt input
Direction
register
Port latch
P10, P12, P13, P36, and P37 input level are switched to the CMOS/TTL level by the port P1P3 control register.
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