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參數資料
型號: W77LE58
廠商: WINBOND ELECTRONICS CORP
元件分類: 8位微控制器
英文描述: 8 BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數: 5/81頁
文件大小: 657K
代理商: W77LE58
Preliminary W77LE58
Publication Release Date: August 1999
- 5 - Revision A1
Pin Description, continued
SYMBOL TYPE
DESCRIPTIONS
P3.0
P3.7
I/O
PORT 3:
Port 3 is a bi-directional I/O port with internal pull-ups. All bits have
alternate functions, which are described below:
RXD (P3.0) : Serial Port 0 input
TXD (P3.1) : Serial Port 0 output
INT0 (P3.2) : External Interrupt 0
INT1 (P3.3) : External Interrupt 1
T0 (P3.4) : Timer 0 External Input
T1 (P3.5) : Timer 1 External Input
WR
(P3.6) : External Data Memory Write Strobe
RD (P3.7) : External Data Memory Read Strobe
P4.0
P4.3
I/O
PORT 4:
Port 4 is a 4-bit bi-directional I/O port. The P4.0 also provides the
alternate function
WAIT
which is the wait state control signal.
* Note:
TYPE
I: input, O: output, I/O: bi-directional.
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