参数资料
型号: M38503M2H-XXXFP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO42
封装: 0.450 INCH, 0.80 MM PITCH, PLASTIC, SSOP-42
文件页数: 19/103页
文件大小: 1275K
代理商: M38503M2H-XXXFP
Rev.3.01
2003.06.20
page 20 of 98
3850 Group (Spec.H)
Fig. 14 Port block diagram (2) (spec. H)
Port latch
Direction
register
Data bus
(9) Port P24
Port latch
Direction
register
Data bus
Port latch
Direction
register
Data bus
Port latch
Direction
register
Data bus
Port latch
Direction
register
Data bus
Port latch
Direction
register
Data bus
Port latch
Direction
register
Data bus
Port latch
Direction
register
Data bus
Serial I/O1 enable bit
Receive enable bit
Serial I/O1 input
(11) Port P26
Serial I/O1 synchronous
clock selection bit
Serial I/O1 enable bit
Serial I/O1 mode selection bit
Serial I/O1 clock output
External clock input
(13) Ports P30-P34
A-D converter input
Analog input pin selection bit
(15) Ports P41,P42
Interrupt input
(10) Port P25
P-channel output disable bit
Serial I/O1 enable bit
Transmit enable bit
Serial I/O1 output
(12) Port P27
Serial I/O1 enable bit
Serial I/O1 mode selection bit
Pulse output mode
SRDY1 output enable bit
Timer output
CNTR0 interrupt
input
Serial ready output
Pulse output mode
(14) Port P40
Timer output
CNTR1 interrupt
input
Pulse output mode
(16) Port P43
Interrupt input
Serial I/O2 I/O
comparison signal control bit
Serial I/O2 I/O
comparison signal output
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