Process image

Complex mapping

The following 12 bytes are transferred bi-directionally between KL3214 and control:

Byte offset (without word alignment*)

Byte offset (with word alignment*)

Format

Input data

Output data

0

0

Byte

Status byte 0 (SB0)

Control byte 0 (CB0)

1

2

Word

DataIN0

DataOUT0

3

4

Byte

Status byte 1 (SB1)

Control byte 1 (CB1)

4

6

Word

DataIN1

DataOUT1

6

8

Byte

Status byte 2 (SB2)

Control byte 2 (CB2)

7

10

Word

DataIN2

DataOUT2

9

12

Byte

Status byte 3 (SB3)

Control byte 3 (CB3)

10

14

Word

DataIN3

DataOUT3

*) Word alignment: The Bus Coupler places values on even byte addresses

Compact mapping

The following 8 bytes are transmitted bidirectionally between KL3414 and controller:

Byte offset (with and without word alignment*)

Format

Input data

Output data

0

Word

DataIN0

DataOUT0

2

Word

DataIN1

DataOUT1

4

Word

DataIN2

DataOUT2

6

Word

DataIN3

DataOUT3

*) word alignment has no effect with compact mapping