UM0097 datasheet(78/229 Pages) STMICROELECTRONICS

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Peripheral firmware overview

UM0097

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3.6.3

Firmware library functions

Table 38 enumerates the different functions of the XTI library.

XTI_Line3

Line 3: External interrupt

XTI_Line4

Line 4: External interrupt

XTI_Line5

Line 5: External interrupt

XTI_Line6

Line 6: CAN module receive pin

XTI_Line7

Line 7: HDLC clock or I2C0 clock

XTI_Line8

Line 8: HDLC receive pin or I2C0 Data

XTI_Line9

Line 9: BSPI0 slave input data or UART3 receive data input

XTI_Line10

Line 10: BSPI0 slave input serial clock or I2C1 clock

XTI_Line11

Line 11: BSPI1 Slave input serial clock

XTI_Line12

Line 12: UART0 receive data input

XTI_Line13

Line 13: UART1 receive data input

XTI_Line14

Line 14: UART2 receive data input

XTI_Line15

Line 15: WakeUp pin or RTC ALARM

Table 37.

Lines values (continued)

Lines value

Corresponding Line

Table 38.

XTI library functions

Function Name

Description

XTI_Init

Initializes the XTI to the default configuration

XTI_ModeConfig

Enables or disables the Interrupt and Wake-Up modes

XTI_LineModeConfig

Selects the line trigger edge polarity

XTI_LineConfig

Enables or disables the selected line interrupt

XTI_InterruptLineValue

Returns the wake-up line number that generates the interrupt

XTI_PendingBitClear

Clears the XTI pending bit

XTI_SWIRQGenerate

Generates a software IRQ interrupt on the XTI channel

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