CS98000 Cirrus Logic, Inc., CS98000 Datasheet - Page 43

• Manufacturer Part Number: CS98000
• Description: DVD Video Processor
• Manufacturer: Cirrus Logic, Inc.

6.8
This serial interface could be used either as a sec-
ond PCM CODEC interface or as an AC97 serial
link to an AC97 compliant CODEC. This interface
could control a modem, or a second set of audio
channels.
signments for the AC97/CODEC Interface.
142
144
146
147
148
111, 115, 101,
106
85
92
93
95
120
102, 107, 97, 99,
100
109, 110, 112,
113, 114, 116,
117, 118, 121,
122, 123, 125,
127, 130, 132,
134
Pin
Pin
AC97/CODEC Interface
Table 23
describes the pin to signal as-
Signal Name
Signal Name
CDC_RST
H_CS[3..0]
H_D[15..0]
CDC_DO
CDC_CK
CDC_SY
H_A[4..0]
CDC_DI
H_RDY
H_CKO
H_ALE
H_WR
H_RD
Table 24. Host Master/ATAPI Interface
Table 23. AC97/CODEC Interface
Type
Type
O
O
B
O
O
O
O
O
O
B
I
I
I
Serial Data Input from Modem CODEC
Serial Data Output to Modem CODEC
Reset Output to Modem CODEC
Serial Bit Clock input from Modem CODEC
Frame Sync, output when CS98000 is master, input when
CODEC is master.
Host Chip Select[3..0]. The host master can be pro-
grammed to use a different protocol for each of the 4 chip
selects
Host address latch enable. Used for modes which multiplex
upper address information onto the data lines
Host Read Request.
Host Write Request.
Host Ready. Connect to pull-up or pull-down if host is not
used.
Host clock out, required for some synchronous slaves
Host Address[4..0].
Host Data Bus[15..0]. These pins can also output Host
Address during the address phase for multiplexed
address/data mode. Tie together to pull-up or pull-down if
host is not used.
6.9
This 16-bit parallel host interface allows the
CS98000 to be a host master, controlling other de-
vices that would be used on the same system. See
Table
protocols and speeds, including multiplexed and
non-multiplexed addressing. Slaves with different
protocols can be connected at the same time, con-
trolled by different chip selects.
24. The interface supports programmable
Host Master/ATAPI Interface
Description
Description
CS98000
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