參數(shù)資料
型號(hào): M38507F8SP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP42
封裝: 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-42
文件頁(yè)數(shù): 18/103頁(yè)
文件大?。?/td> 1275K
代理商: M38507F8SP
Rev.3.01
2003.06.20
page 19 of 98
3850 Group (Spec.H)
Fig. 13 Port block diagram (1) (spec. H)
Port latch
(1) Port P00
(2) Port P01
P01/SOUT2 P-channel output disable bit
P02/SCLK2 P-channel output disable bit
Direction
register
Port latch
Direction
register
Port latch
Direction
register
Port latch
Direction
register
Port latch
Direction
register
Direction
register
Port latch
Direction
register
Port latch
Direction
register
Port latch
Data bus
Serial I/O2 input
Serial I/O2 output
Serial I/O2 Transmit completion signal
Serial I/O2 port selection bit
(3) Port P02
Serial I/O2 synchronous
clock selection bit
Serial I/O2 port selection bit
Serial I/O2 clock output
Serial I/O2 external clock input
(4) Port P03
Serial I/O2 ready output
SRDY2 output enable bit
(5) Ports P04-P07,P1
(6) Port P20
Port XC switch bit
Oscillator
Port XC switch bit
Port P21
(7) Port P21
Port XC switch bit
Data bus
Sub-clock generating circuit input
(8) Ports P22,P23
Data bus
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