AN1278 datasheet(18/44 Pages) STMICROELECTRONICS

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LIN (LOCAL INTERCONNECT NETWORK) SOLUTIONS

#define UART_IC1

#define UART_IC2

#define UART_OC1

#define UART_OC2

#define TIMEOUT_TIMERA

#define TIMEOUT_TIMERB

#define TIMEOUT_OC1

#define TIMEOUT_OC2

#define

UART_IC1, UART_IC2

Description

Needs to be defined only if UART_TIMERA or

UART_TIMERB is defined.

Define only one of these options. Define UART_IC1

if the LIN RX pin is connected to the Input Capture

1 pin. Define UART_IC2 if the LIN RX pin is con-

nected to the Input Capture 2 pin.

#define

UART_OC1, UART_OC2

Description

Needs to be defined only if UART_TIMERA or

UART_TIMERB is defined.

Define only one of these options. Define

UART_OC1 if the LIN RX pin is connected to the

Output Compare 1 pin. Define UART_OC2 if the

LIN RX pin is connected to the Output Compare 2

pin.

#define

TIMEOUT_TIMERA, TIMEOUT_TIMERB

Description

Define only one of these options. Define which tim-

er is used for the timeout handling.

If you already defined a timer for the SCI emulation

set the same timer for the timeout handling. This will

optimize the use of resources: A timer is fully used

for the LIN software and the second is free for the

application.

#define

TIMEOUT_OC1, TIMEOUT_OC2

Description

Define only one of these options. Define which out-

put compare of the previously defined timer is used

for the timeout handling.

Warning: If the same timer is used for both the SCI

emulation and the timeouts handling, do not define

the same output compare for both features.

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