參數(shù)資料
型號(hào)： M38223E4GP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PQFP80
封裝： 14 X 14 MM, 0.65 MM PITCH, PLASTIC, QFP-80
文件頁(yè)數(shù)： 16/82頁(yè)
文件大小： 1168K
代理商： M38223E4GP
20
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
3822 Group
MITSUBISHI MICROCOMPUTERS
Fig. 16 Port block diagram (2)
Direction register
Port latch
Serial I/O enable bit
Transmit enable bit
P45/TxD P-channel output disable bit
Pull-up control
(7) Port P45
Serial I/O output
Data bus
Direction register
Port latch
Data bus
Serial I/O ready output
Serial I/O mode selection bit
Pull-up control
(9) Port P47
(8) Port P46
Serial I/O clock-
synchronized selection bit
Serial I/O enable bit
Serial I/O mode selection bit
Serial I/O enable bit
Direction register
Port latch
Serial I/O clock output
Data bus
Serial I/O clock input
Pull-up control
(10) Ports P52, P53
Direction register
Port latch
Data bus
Pull-up control
Real time port control bit
Data for real time port
Direction register
Port latch
Data bus
Pull-up control
(12) Ports P55, P57
CNTR1 interrupt input
A-D trigger interrupt input
(11) Port P54
Direction register
Port latch
Data bus
Pull-up control
Timer X operating mode bit
Timer output
CNTR0 interrupt input
Serial I/O enable bit
SRDY output enable bit
(Pulse output mode selection)
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