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General-purpose and alternate-function I/Os (GPIOs and AFIOs)
RM0008
Table 41.
TIM2 alternate function remapping
TIM2_REMAP[1:
TIM2_REMAP[1:
TIM2_REMAP[1:
TIM2_REMAP[1:
Alternate function
TIM2_CH1_ETR (2)
TIM2_CH2
TIM2_CH3
TIM2_CH4
0] = “00” (no
remap)
PA0
PA1
0] = “01” (partial
remap)
PA15
PB3
PA2
PA3
0] = “10” (partial
remap) (1)
PA0
PA1
PB10
PB11
0] = “11” (full
remap) (1)
PA15
PB3
1. Remap not available on 36-pin package.
2. TIM_CH1 and TIM_ETR share the same pin but cannot be used at the same time (which is why we have
this notation: TIM2_CH1_ETR).
Table 42.
TIM1 alternate function remapping
Alternate functions
TIM1_REMAP[1:0] = TIM1_REMAP[1:0] = TIM1_REMAP[1:0] =
mapping
TIM1_ETR
TIM1_CH1
TIM1_CH2
TIM1_CH3
TIM1_CH4
“00” (no remap)
“01” (partial remap)
PA12
PA8
PA9
PA10
PA11
“11” (full remap) (1)
PE7
PE9
PE11
PE13
PE14
TIM1_BKIN
PB12
(2)
PA6
PE15
TIM1_CH1N
TIM1_CH2N
TIM1_CH3N
PB13 (2)
PB14 (2)
PB15 (2)
PA7
PB0
PB1
PE8
PE10
PE12
1. Remap available only for 100-pin and 144-pin packages.
2. Remap not available on 36-pin package.
8.3.8
USART Alternate function remapping
Refer to AF remap and debug I/O configuration register (AFIO_MAPR) .
Table 43.
USART3 remapping
Alternate function
USART3_TX
USART3_RX
USART3_CK
USART3_REMAP[1:0]
= “00” (no remap)
PB10
PB11
PB12
USART3_REMAP[1:0] =
“01” (partial remap) (1)
PC10
PC11
PC12
USART3_REMAP[1:0]
= “11” (full remap) (2)
PD8
PD9
PD10
USART3_CTS
USART3_RTS
PB13
PB14
PD11
PD12
1. Remap available only for 64-pin, 100-pin and 144-pin packages
2. Remap available only for 100-pin and 144-pin packages.
156/995
Doc ID 13902 Rev 9
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