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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