參數(shù)資料
型號(hào)： 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(yè)數(shù)： 19/105頁(yè)
文件大小： 1403K
代理商： M38857M8-XXXHP
3885 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
17
2. The input level can be switched between CMOS compatible input level and TTL level by the P7 input level selection bit of the port
control register 2 (PCTL2).
Reading the port P8 direction register is switched to port P7 pin input level by the P8 function selection bit of the port control register 2
(PCTL2).
3. The input level can be switched between CMOS compatible input level and SMBUS level by the I2C-BUS interface pin input selection
bit of the I2C control register (SID).
(18) Ports P73 to P75
Data bus
Port latch
Direction
register
Interrupt input
2
(19) Port P76
Data bus
Port latch
Direction
register
SDA output
SDA input
3
I2C-BUS interface
enable bit
(20) Port P77
I2C-BUS interface
enable bit
SCL output
SCL input
3
Direction
register
Port latch
Data bus
(21) Ports P80 to P83
LAD [3 : 0]
LPC enable bit
Data bus
Port latch
Direction
register
(22) Ports P84 to P86
LRESET
LCLK
LFRAME
LPC enable bit
Data bus
Port latch
Direction
register
(23) Port P87
IRQSER
SIRQ enable bit
Data bus
Port latch
Direction
register
(17) Ports P70 to P72
Data bus
Port latch
Direction
register
2
Fig. 12 Port block diagram (3)
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