1. KL6831_KL6841 - Master Terminals for SMI Bus
  2. Access from the user program
  3. Register overview

Register overview

The registers are used for the parameterization of the interface terminals. They can be read or written by means of register communication.

Register no.

Comment

Default value

R/W

Memory

R0

reserved

0x0000

0dec

-

-

...

...

...

...

...

...

R5

reserved

0x0000

0dec

-

-

R6

Diagnostic register

variable

variable

R

RAM

R7

Command register

0x0000

0dec

R/W

RAM

R8

Terminal type

KL6831

0x1AAF

6831dec

R

ROM

KL6841

0x1AB9

6841dec

R

ROM

R9

Firmware version

variable

variable

R

ROM

R10

reserved

0x0000

0dec

-

-

...

...

...

...

...

...

R15

reserved

0x0000

0dec

-

-

R16

Hardware version

e.g. 0x0000

e.g. 0dec

...

EEPROM

R17

reserved

0x0000

0dec

-

-

...

...

...

...

...

...

R28

reserved

0x0000

0dec

-

-

R29

Terminal type - special identification

0x0000

0dec

R

EEPROM

R30

reserved

0x0000

-

-

-

R31

Code word register

0x0000

0dec

R/W

RAM

R32

Feature register

0x0000

0dec

R/W

EEPROM

R33

Watchdog register

variable

variable

R/W

RAM

R34

Watchdog register

variable

variable

R/W

RAM

R35

Watchdog register

variable

variable

R/W

RAM

R36

DI register

variable

variable

R/W

RAM

...

...

...

...

...

...

R47

DI register

variable

variable

R/W

RAM

...

...

...

...

...

...

R63

reserved

0x0000

0dec

-

-