3 pin name list, 4 application block diagram – Rainbow Electronics AT91CAP9S250A User Manual

Page 619

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619

6264A–CAP–21-May-07

AT91CAP9S500A/AT91CAP9S250A

37.3

Pin Name List

The AC‘97 reset signal provided to the primary codec can be generated by a PIO.

37.4

Application Block Diagram

Figure 37-2. Application Block diagram

Table 37-1.

I/O Lines Description

Pin Name

Pin Description

Type

AC97CK

12.288-MHz bit-rate clock

Input

AC97RX

Receiver Data (Referred as SDATA_IN in AC-link spec)

Input

AC97FS

48-KHz frame indicator and synchronizer

Output

AC97TX

Transmitter Data (Referred as SDATA_OUT in AC-link spec)

Output

AC 97 Controller

AC97TX

AC97RX

PIOx

AC'97 Primary Codec

AC97FS

AC97CK

AC97_RESET

AC97_SYNC

AC97_SDATA_OUT

AC97_BITCLK

AC-link

AC97_SDATA_IN

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