APM32E103RCT6-R datasheet(19/79 Pages) GEEHY

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Pag e 18

Name

(Function after

reset)

Typ

Struc

ture

Default

multiplexing

function

Remap

QFN48/L

QFP48

LQFP6

LQFP10

LQFP14

TMR2_CH2,

SPI1_SCK

PB4

(NJTRST)

I/O

SPI3_MISO

PB4,

TMR3_CH1,

SPI1_MISO

134

PB5

I/O

STD

I2C1_SMBAI,

SPI3_MOSI,

I2S3_SD

TMR3_CH2,

SPI1_MOSI,

CAN2_RX

135

PB6

I/O

I2C1_SCL,

I2C3_SCL,

TMR4_CH1

USART1_TX,

CAN2_TX

136

PB7

I/O

I2C1_SDA,

I2C3_SDA,

SMC_NADV,

TMR4_CH2

USART1_RX

137

BOOT0

138

PB8

I/O

TMR4_CH3,

SDIO_D4

I2C1_SCL,

I2C3_SCL,

CAN1_RX

139

PB9

I/O

TMR4_CH4,

SDIO_D5

I2C1_SDA,

I2C3_SDA,

CAN1_TX

140

PE0

I/O

TMR4_ETR,

SMC_NBL0

141

PE1

I/O

SMC_NBL1

142

VSS_3

143

VDD_3

100

144

Note:

(1) The functions available depend on the selected model. For models with fewer peripheral modules, function modules

with smaller numbers are always included. For example, when a model has only one SPI and two USARTs, they are

SPI1, USART1 and USART2.

(2) The PC13, PC14 and PC15 pins are powered by the power switch, which can only absorb a limited current (3mA).

Therefore, when these three pins are used as output pins, there are the following restrictions: only one pin can be

used as output at the same time, and when they are used as output pins, they can only work in 2MHz mode. The

maximum driving load is 30pF, and they cannot be used as current sources (such as driving LED).

(3) These pins are in the main function state when the backup area is powered on for the first time. After that, even if they

are reset, the state of these pins is controlled by the backup area registers (these registers will not be reset by the

main reset system). For specific information on how to control these IO ports, please refer to the relevant sections of

the battery backup area and BAKPR register in the user manual.

APM32E103RCT6-R 数据表(PDF) 19 Page - Geehy Semiconductor Co., Ltd.

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