RM0312 datasheet(83/275 Pages) STMICROELECTRONICS

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RM0312

System configuration controller (SYSCFG)

11.1

Introduction

The system configuration controller offers remapping capabilities of TIM3 channels on

different I/O ports. To use an alternate function, the corresponding peripheral must be

enabled in the peripheral registers. Alternate function remapping does not affect the GPIO

capabilities of the I/O ports (see Section 10: General purpose I/O ports (GPIO) on page 75).

Refer to Section 11.2: SYSCFG register for remapping capabilities on TIM3 channels.

11.2

SYSCFG register

11.2.1

SYSCFG remap control register 1 (SYSCFG_RMPCR1)

Address offset: 0x00 509E

Reset value: 0x00

11.2.2

SYSCFG register map and reset values

3210

Reserved

TIM3_CH2

TIM3_CH1

Reserved

Bits 7:4 Reserved

Bit 3 TIM3_CH2:

0: Timer3 channel2 mapped on PD[7]

1: Timer3 channel2 mapped on PA[2]

Bit 2 TIM3_CH1:

0: Timer3 channel1 mapped on PD[6]

1: Timer3 channel1 mapped on PA[1]

Bits 1:0 Reserved

Table 22. Register map

Offset

address

name

65432

0x00

SYSCFG_RM

PCR1

Reset value

TIM3_CH2

TIM3_CH1

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