CS8427 Cirrus Logic, CS8427 Datasheet - Page 22

• Manufacturer Part Number: CS8427
• Description: 96 kHz Digital Audio Interface Transceiver
• Manufacturer: Cirrus Logic

22
NOTE: Applications implementing both the Seri-
al Audio Output Port and the AES3 Transmitter
must operate at the same sample rate because
they are both controlled by the same clock
source.
Figure 11. AES3 Input to Serial Audio Output,
RXN
RXP
Figure 13. Input Serial Port to AES3 Transmitter
I LRCK
I SCLK
SD IN
Data Flow Control Bits
SDOUT
AES3
Rx &
Decode
PLL
Data Flow Control Bits
Serial Audio Input to AES3 Out
TXD1-0:
SPD1-0:
TXD1-0:
SPD1-0:
OSCLK
RMCK
Serial
Audio
Input
01
10
01
01
OMCK
without PLL
OLRCK
Serial
Audio
Output
Clock Source Control Bits
OUTC:
INC:
RXD1-0:
Clock Source Control Bits
SDIN
Serial
Audio
Input
OUTC:
INC:
RXD1-0:
ISCLK
AES3
Rx &
Decode
AES3
Encoder
& Driver
1
0
01
0
1
00
ILRCK
TXP
TXN
TXN
TXP
RXN
Figure 12. AES3 Input to Serial Audio Output Only
RXP
Figure 14. Input Serial Port to AES3 Transmitter
I LRCK
I SCLK
SD IN
NOTE : In this mode, ILRCK and ISCLK are in-
puts only.
Data Flow Control Bits
TXD1-0:
SPD1-0:
TXOFF : 1
AES3
Rx &
Decode
Data Flow Control Bits
PLL
TXD1-0:
SPD1-0:
Serial
Audio
Input
10
10
PLL
RMCK
01
01
RMCK
with PLL
Clock Source Control Bits
OUTC:
INC:
RXD1-0:
Clock Source Control Bits
OUTC:
INC:
RXD1-0:
Serial
Audio
Output
AES3
Rx &
Decode
1
0
01
1
0
00
CS8427
DS477PP3
OLRCK
OSCLK
SDOUT
TXN
TXP