参数资料
型号: M38254M6-XXXFP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP100
封装: 14 X 20 MM, 0.65 MM PITCH, PLASTIC, QFP-100
文件页数: 15/73页
文件大小: 1323K
代理商: M38254M6-XXXFP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
3825 Group
19
Fig. 14 Port block diagram (1)
(3) Port P44
Pull-up control
Serial I/O enable bit
Serial I/O input
Data bus
Direction
register
Port latch
(4) Port P45
Pull-up control
Direction
register
Data bus
Port latch
Serial I/O output
P45/TXD P-channel output disable bit
Serial I/O enable bit
Transmission enable bit
(6) Port P47
Serial I/O ready output
Serial I/O mode selection bit
Serial I/O enable bit
SRDY output enable bit
Data bus
Pull-up control
Direction
register
Port latch
(7) Ports P52, P53
Real time control bit
Pull-up control
Data bus
Port latch
Direction
register
Real time port data
(1) Ports P0, P10–P15, P3
VL2/VL3/VCC
Data bus
Port latch
Interface logic
level shift circuit
Pull-down
Port
Segment
VL1/VSS
Segment/Port
LCD drive timing
Port/Segment
Segment data
Port ON/OFF
(2) Ports P16, P17, P2, P40–P43, P50, P51
Key-on wake up interrupt input
INT0–INT3 interrupt input
Pull-up control
Data bus
Port latch
Direction
register
Except P16, P17, P40, P41
(5) Port P46
Serial I/O enable bit
Serial I/O clock input
Pull-up control
Data bus
Serial I/O clock output
Serial I/O synchronization clock
selection bit
Direction
register
Port latch
Serial I/O mode selection bit
Serial I/O enable bit
Reception enable bit
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