CHAPTER 12 SERIAL INTERFACE UART6
Preliminary User’s Manual U16846EJ1V0UD
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Figure 12-3. Port Configuration for LIN Reception Operation
RXD6 input
INTP0 input
TI000 input
P14/RxD6
P120/INTP0
P00/TI000
Port input
switch control
(ISC0)
<ISC0>
0: Select INTP0 (P120)
1: Select RxD6 (P14)
Port mode
(PM14)
Output latch
(P14)
Port mode
(PM120)
Output latch
(P120)
Port input
switch control
(ISC1)
<ISC1>
0: Select TI000 (P00)
1: Select RxD6 (P14)
Selector
Selector
Selector
Selector
Selector
Port mode
(PM00)
Output latch
(P00)
Remark ISC0, ISC1: Bits 0 and 1 of the input switch control register (ISC) (see Figure 12-11)
The peripheral functions used in the LIN communication operation are shown below.
<Peripheral functions used>
•
External interrupt (INTP0); wakeup signal detection
Use: Detects the wakeup signal edges and detects start of communication.
•
16-bit timer/event counter 00 (TI000); baud rate error detection
Use: Detects the baud rate error (measures the TI000 input edge interval in the capture mode) by detecting the
sync field (SBF) length and divides it by the number of bits.
•
Serial interface UART6
