參數(shù)資料
型號: M34506E4FP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, OTPROM, MICROCONTROLLER, PDSO20
封裝: 5.30 X 12.60 MM, 1.27 MM PITCH, PLASTIC, SOP-20
文件頁數(shù): 27/114頁
文件大小: 937K
代理商: M34506E4FP
7643 Group
Rev.2.00
Aug 28, 2006
page 16 of 119
REJ03B0054-0200
Fig. 12 Port block diagram (1)
(1) Ports P0, P1, P3
Data bus
Direction
register
Port latch
(3) Port P40
Data bus
Direction
register
Port latch
Expanded data
memory access bit
EDMA signal
(5) Ports P43, P44
(2) Port P2
Data bus
Direction
register
Port latch
P2 pull-up
Key interrupt input
(4) Ports P41, P42
Data bus
Direction
register
Port latch
Sub-clock (XCIN-XCOUT) stop bit
INT0, INT1 interrupt input
(6) Port P50
Data bus
Direction
register
Port latch
XCIN input
Data bus
Direction
register
Port latch
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