Rainbow Electronics AT91CAP9S250A - Manual (Page 618)

618
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
37.2 Block Diagram
Figure 37-1. Functional Block Diagram
AC97 Channel A
AC97C_CATHR
AC97C_CARHR
Slot #3...12
AC97 CODEC Channel
AC97C_COTHR
AC97C_CORHR
Slot #2
Slot #1,2
AC97 Channel B
AC97C_CBTHR
AC97C_CBRHR
Slot #3...12
AC97 Tag Controller
Transmit Shift Register
Receive Shift Register
Receive Shift Register
Receive Shift Register
Receive Shift Register
Transmit Shift Register
Transmit Shift Register
Transmit Shift Register
Slot #0
Slot #0,1
AC97 Slot Controller
Slot Number
16/20 bits
Slot Number
SDATA_IN
BITCLK
SDATA_OUT
SYNC
User Interface
MCK Clock Domain
Bit Clock Domain
AC97C Interrupt
MCK
APB Interface
M
U
X
D
E
M
U
X