UM0306 General purpose and alternate function I/O (GPIO and AFIO)
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5.3.5 USART Alternate function remapping
Refer to AF remap and debug I/O configuration register (AFIO_MAPR)
Table 18. Timer 2 alternate function remapping
Alternate Function
TIM2_REMAP[1:
0] = “00” (no
remap)
TIM2_REMAP[1:
0] = “01” (partial
remap)
TIM2_REMAP[1:
0] = “10” (partial
remap)
(1)
1. Remap available only for 64 and 100 pin packages.
TIM2_REMAP[1:
0] = “11” (full
remap)
(1)
TIM2_CH1/ETR PA0 PA15 PA0 PA15
TIM2_CH2 PA1 PB3 PA1 PB3
TIM2_CH3 PA2 PB10
TIM2_CH4 PA3 PB11
Table 19. Timer 1 alternate function remapping
Alternate Functions
Mapping
TIM1_REMAP[1:0] =
“00” (no remap)
TIM1_REMAP[1:0] =
“01” (partial remap)
TIM1_REMAP[1:0] =
“11” (full remap)
(1)
1. Remap available only for 100-pin package.
TIM1_ETR PA12 PE7
TIM1_CH1 PA8 PE9
TIM1_CH2 PA9 PE11
TIM1_CH3 PA10 PE13
TIM1_CH4 PA11 PE14
TIM1_BKIN PB12
(2)
2. Remap not available on 36-pin package.
PA6 PE15
TIM1_CH1N PB13
(2)
PA7 PE8
TIM1_CH2N PB14
(2)
PB0 PE10
TIM1_CH3N PB15
(2)
PB1 PE12
Table 20. USART3 remapping
Alternate Function
USART3_REMAP[1:0]
= “00” (no remap)
USART3_REMAP[1:0]
= “01” (partial remap)
(1)
1. Remap available only for 64 and 100 pin packages
USART3_REMAP[1:0]
= “11” (full remap)
(2)
2. Remap available only for 100 pin package.
USART3_TX PB10 PC10 PD8
USART3_RX PB11 PC11 PD9
USART3_CK PB12 PC12 PD10
USART3_CTS PB13 PD11
USART3_RTS PB14 PD12
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