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ST7261 Datasheet(PDF) 26 Page - STMicroelectronics

Part # ST7261
Description  LOW SPEED USB 8-BIT MCU WITH 3 ENDPOINTS, ROM MEMORY, LVD, WDG, TIMER
PDF  80 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7261 Datasheet(HTML) 26 Page - STMicroelectronics

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I/O PORTS (Cont’d)
8.2.5 Port A
Table 8. Port A Description
Figure 22. PA[2:0] Configuration
PORT A
I/O
Alternate Function
Input*
Output
Signal
Condition
PA0
floating
push-pull
USBOE
USBOE = 1 (MISC)
IT1 Schmitt triggered input
IT1E = 1 (ITRFRE1)
PA1
floating
push-pull
IT2 Schmitt triggered input
IT2E = 1 (ITRFRE1)
PA2
floating
push-pull
IT3 Schmitt triggered input
IT3E = 1 (ITRFRE1)
*Reset State
DR
DDR
LATCH
LATCH
DR SEL
DDR SEL
VDD
PAD
ALTERNATE ENABLE
ALTERNATE ENABLE
DIGITAL ENABLE
ALTERNATE ENABLE
ALTERNATE
ALTERNATE INPUT
OUTPUT
P-BUFFER
N-BUFFER
1
0
1
0
VSS
VDD
DIODES



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