参数资料
型号: ST7263BK1B/XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP32
封装: 0.400 INCH, LEAD FREE, SHRINK, PLASTIC, DIP-32
文件页数: 66/140页
文件大小: 1423K
代理商: ST7263BK1B/XXX
ST7263B
31/140
I/O PORTS (Cont’d)
Table 11. PA1, PA2 Description
Figure 22. PA1, PA2 Configuration
PORT A
I / O
Alternate Function
Input1
Output
Signal
Condition
PA1
without pull-up
Very High Current open drain
SDA (IC data)
IC enable
PA2
without pull-up
Very High Current open drain
SCL (IC clock)
IC enable
1Reset State
DR
DDR
LATCH
DR SEL
DDR SEL
PAD
ALTERNATE ENABLE
ALTERNATE
OUTPUT
N-BUFFER
1
0
1
0
CMOS SCHMITT TRIGGER
VSS
DA
TA
BUS
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