STA1295 datasheet(24/109 Pages) STMICROELECTRONICS

24 / 109 page

System description

STA1295, STA1275

24/109

DS12586 Rev 5

2.17.2

Secure GPIO alternate function mapping

Note:

All GPIOs pins are configured by default at reset in GPIO input mode.

2.17.3

Cortex® M3 GPIO alternate function mapping

Table 11. Secure GPIO alternate function mapping

GPIO

ALT A

ALT B

ALT C

S_GPIO0

EFT3_ICAP1

EFT3_OCMP0

CAN1_RX

S_GPIO1

EFT3_ICAP0

EFT3_OCMP1

CAN1_TX

S_GPIO2

EFT4_ICAP0

SPI0_RXD

EFT4_EXTCK

S_GPIO3

EFT4_ICAP1

EFT4_OCMP0

CAN2_RX

S_GPIO4

EFT3_OCMP0

SPI0_TXD

EFT3_EXTCK

S_GPIO5

EFT3_ICAP1

EFT4_OCMP0

EFT3_OCMP1

S_GPIO6

SPI0_TXD

EFT4_ICAP0

EFT4_EXTCK

S_GPIO7

SPI0_RXD

EFT4_OCMP1

CAN2_TX

S_GPIO8

SPI0_SCK

—

S_GPIO9

SPI0_SS

—

S_GPIO10

I2C0_SDA

EFT4_ICAP1

—

S_GPIO11

I2C0_SCL

EFT4_OCMP1

—

S_GPIO12

UART0_RX

CAN2_TX

—

S_GPIO13

UART0_TX

CAN2_RX

—

S_GPIO14

UART0_CTS

EFT4_ICAP1

—

S_GPIO15

UART0_RTS

EFT4_OCMP1

—

Table 12. Cortex® M3 GPIO alternate function mapping

GPIO

ALT A

ALT B

ALT C

BOOTSTRAP

M3_GPIO0_WAKE0

—

M3_GPIO1_WAKE1

—

M3_GPIO2_WAKE2

—

M3_GPIO3_WAKE3

—

M3_GPIO4_WAKE4

—

M3_GPIO5_WAKE5

—

M3_GPIO6_WAKE6

—

M3_GPIO7_WAKE7

—

M3_GPIO8

CAN0_TX

—

M3_GPIO9

CAN0_RX

—

M3_GPIO10

UART0_RX

—

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