參數(shù)資料
型號: M38513M4-XXXFP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PDSO42
封裝: 0.450 INCH, 0.80 MM, PLASTIC, SSOP-42
文件頁數(shù): 4/57頁
文件大?。?/td> 856K
代理商: M38513M4-XXXFP
9
3851 Group
(Built-in 16 KB ROM)
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Fig. 7 Port block diagram (1)
(1) Ports P0, P1
Direction
register
Data bus
Port latch
(2) Port P20
Port XC switch bit
Oscillator
Port P21
Data bus
Port latch
Direction
register
Port XC switch bit
(3) Port P21
Port XC switch bit
Data bus
Port latch
Direction
register
Sub-clock generating circuit input
(4) Port P22
Data bus
Port latch
Direction
register
SDA output
I C-BUS interface enable bit
SDA/SCL pin selection bit
SDA input
2
(5) Port P23
Data bus
Port latch
Direction
register
SCL output
I C-BUS interface enable bit
SDA/SCL pin selection bit
SCL input
2
(6) Port P24
Data bus
Port latch
Direction
register
SDA output
Serial I/O enable bit
Receive enable bit
I C-BUS interface enable bit
SDA/SCL pin selection bit
2
SDA input
Serial I/O input
(7) Port P25
Data bus
Port latch
Direction
register
SCL output
I C bus interface enable bit
SDA/SCL pin selection bit
Serial I/O enable bit
Transmit enable bit
2
SCL input
Serial I/O output
P-channel output disable bit
(8) Port P26
Data bus
Port latch
Direction
register
Serial clock output
Serial I/O mode selection bit
Serial I/O enable bit
Serial I/O clock selection bit
External clock input
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