6 extended communication control register (eccr), Extended communication control register (eccr) – FUJITSU F2MCTM-16LX User Manual

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CHAPTER 20 LIN-UART

20.4.6

Extended Communication Control Register (ECCR)

The extended communication control register (ECCR) provides bus idle detection,
synchronous clock settings, and the LIN synch break generation.

■

Extended Communication Control Register (ECCR)

Figure 20.4-7 shows the configuration of the extended communication control register (ECCR), and Table

20.4-6 shows the function of each bit.

Figure 20.4-7 Configuration of the Extended Communication Control Register (ECCR)

MS

SCDE SSM

RBI

TBI

000000XX

B

ECCR0:000024

H

ECCR1:00002C

H

LBR

bit 7

bit 6

bit 5

bit 4

bit 3

bit 2

bit 1

bit 0

−

W

R/W

R/W

R/W

−

R

R

bit 15

bit 8

Address

Initial value

bit 0
TBI*

Transmission bus idle detection flag bit

0

Transmission is ongoing

1

No transmission activity

bit1

RBI*

Reception bus idle detection flag bit

0

Reception is ongoing

1

No reception activity

bit 2

Unused bit

Reading value is undefined.
Always write "0".

bit 3

SSM

Start/stop bit mode enable bit in mode 2

0

No start/stop bit

1

Enable start/stop bit

bit 4

SCDE

Serial Clock Delay enable bit in mode 2

0

Disable clock delay

1

Enable clock delay

bit 5

MS

Master/Slave mode selection bit in mode 2

0

Master mode (generating serial clock)

1

Slave mode (receiving external serial clock)

bit 6

LBR

Generating LIN synch break bit

write

read

0

Ignored

Always read 0

1

Generate LIN Synch
break

bit 7

Unused bit

Read value is undefined. Always write 0

R/W

: Read/Write

R

: Read only

W

: Write only

X

: Undefined

: Initial value

*: Not used in operation mode 2 when SSM = 0

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