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ST72561 Folha de dados(PDF) 51 Page - STMicroelectronics

Nome de Peças ST72561
Descrição Electrónicos  8-BIT MCU WITH FLASH OR ROM, 10-BIT ADC, 5 TIMERS, SPI, LINSCI , ACTIVE CAN
PDF  262 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72561 Folha de dados(HTML) 51 Page - STMicroelectronics

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I/O PORTS (Cont’d)
9.6 I/O Port Implementation
The I/O port register configurations are summa-
rised as following.
9.6.1 Standard Ports
PB7:6, PC0, PC3, PC7:5, PD3:2, PD5, PE7:0,
PF7:0
9.6.2 Interrupt Ports
PA0,2,4,6; PB0,2,4; PC1; PD0,6
(with pull-up)
PA1,3,5,7; PB1,3,5; PC2; PD1,4,7
(without pull-up)
9.6.3 Pull-up Input Port (CANTX requirement)
PC4
The PC4 port cannot be controlled by DR/DDR/
OR in output. The CAN peripheral controls it di-
rectly when enabled. Otherwise, it is pull-up input.
However, it is still possible to read the port through
DR register (providing DDR is set properly).
MODE
DDR
OR
floating input
0
0
pull-up input
0
1
open drain output
1
0
push-pull output
1
1
MODE
DDR
OR
floating input
0
0
pull-up interrupt input
0
1
open drain output
1
0
push-pull output
1
1
MODE
DDR
OR
floating input
0
0
floating interrupt input
0
1
open drain output
1
0
push-pull output
1
1
MODE
pull-up input



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