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ST7263 Datasheet(PDF) 28 Page - STMicroelectronics

Part # ST7263
Description  LOW SPEED USB 8-BIT MCU FAMILY with up to 16K MEMORY, up to 512 BYTES RAM, 8-BIT ADC, WDG, TIMER, SCI & I2C
PDF  109 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7263 Datasheet(HTML) 28 Page - STMicroelectronics

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I/O PORTS (Cont’d)
Table 10. PA1, PA2 Description
Figure 19. PA1, PA2 Configuration
PORT A
I / O
Alternate Function
Input*
Output
Signal
Condition
PA1
without pull-up
Very High Current open drain
SDA (I2C data)
I2C enable
PA2
without pull-up
Very High Current open drain
SCL (I2C clock)
I2C enable
*Reset State
DR
DDR
LATCH
LATCH
DR SEL
DDR SEL
PAD
ALTERNATE ENABLE
ALTERNATE ENABLE
ALTERNATE
OUTPUT
N-BUFFER
1
0
1
0
CMOS SCHMITT TRIGGER
VSS



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