參數(shù)資料
型號: M38857M8-XXXHP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP80
封裝: 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80
文件頁數(shù): 16/105頁
文件大小: 1403K
代理商: M38857M8-XXXHP
3885 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
15
Fig. 10 Port block diagram (1)
(1) Ports P0, P1
Data bus
Port latch
P00–P03,
P04–P07,
P10–P13,
P14–P17 output structure
selection bits
Direction
register
(2) Port P20
Data bus
Port latch
Comparator reference power source input
Comparator reference input
pin select bit
(3) Port P21–P27
Data bus
Port latch
Direction
register
(4) Ports P30, P31
Comparator input
Key-on wake-up input
P30–P33 pull-up control bit
Data bus
Port latch
PWM00 (PWM10) output
PWM0 (PWM1) output pin selection bit
PWM0(PWM1) enable bit
Direction
register
(7) Port P41
Sub-clock oscillation circuit
Port XC switch bit
Data bus
Port latch
Direction
register
Port XC switch bit
(6) Port P40
Port XC switch bit
Sub-clock oscillation circuit
Port P41
Data bus
Port latch
Direction
register
(5) Ports P32–P37
P30–P33,
P34–P37 pull-up control bit
Data bus
Port latch
Direction
register
1. Reading the port P8 register (address 001016) is switched to port P4 pin input level by the P8 function selection bit of the port control
register 2 (PCTL2).
(8) Ports P42 , P43
P4 output structure selection bit
Data bus
Port latch
1
Direction
register
Interrupt input
Comparator input
Key-on wake-up input
Direction
register
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