TLC32040M

ANALOG INTERFACE CIRCUIT

POST OFFICE BOX 655303

4–11

commands are issued during Transmit Conversion Periods A, B, and C, the first two commands may cause

Receive Conversion Periods A and B to be adjusted, while the third receive adjustment command is ignored.

The third adjustment command is ignored since it was issued during Receive Conversion Period B, which

already will be adjusted via the Transmit Conversion Period B adjustment command.

t1

Transmit

Conversion

Period A

Receive Conversion Period B

t2

Receive Conversion Period A

FSX

FSR

Transmit

Conversion

Period B

Transmit

Conversion

Period C

asynchronous operation – more than one set of primary and secondary DX serial communication

occurring between two receive frame sync (see AIC DX data word format section)

The TA, TA’, TB, and control register information that is transmitted in the secondary communications is always

to Receive Conversion Period A. Otherwise, this information will be applied during Receive Conversion Period

B. If RA, RA’, and RB register information has already been received and is being applied during an ongoing

conversion period, any subsequent RA, RA’, or RB information that is received during this receive conversion

period will be disregarded (see diagram below).

FSX

FSR

Transmit

Conversion

Period A

Primary

Secondary

Primary

Secondary

Primary

Secondary

t1

t2

Receive Conversion Period B

Receive Conversion

Period A

Transmit

Conversion

Period B

Transmit

Conversion

Period C