6

X9221

Figure 7. Acknowledge Response from Receiver

Instruction Format

Instruction

Operation

Read WCR

1

0

0

1

0

1/0

N/A

Read the contents of the Wiper Counter

Write WCR

1

0

1

0

0

1/0

N/A

N/A

Write new value to the Wiper Counter

Read Data

1

0

1

1

0

1/0

1/0

1/0

Read the contents of the Register

Register

Write Data

1

1

0

0

0

1/0

1/0

1/0

Write new value to the Register

Register

XFR Data Reg-

1

1

0

1

0

1/0

1/0

1/0

Transfer the contents of the Register

ister to WCR

to its associated WCR

XFR WCR to

1

1

1

0

0

1/0

1/0

1/0

Transfer the contents of the WCR

Data Register

Global XFR Data

0

0

0

1

N/A

N/A

1/0

1/0

Transfer the contents of all four Data

Register to WCR

respective WCR

Global XFR WCR

1

0

0

0

N/A

N/A

1/0

1/0

Transfer the contents of all WCRs

to Data Register

to their respective data Registers

Increment/Decre-

0

0

1

0

0

1/0

N/A

N/A

Enable Increment/decrement of the

ment Wiper

3079 PGM T11.1

Table 1. Instruction Set

Notes: (7) N/A = Not applicable or don’t care; that is, a data register is not involved in the operation and need not be addressed (typical)

3079 ILL F14

SCL FROM

MASTER

DATA

OUTPUT

FROM

TRANSMITTER

1

89

DATA

OUTPUT

FROM

RECEIVER

START

ACKNOWLEDGE