W88111AF 데이터 시트보기 (PDF) - Winbond
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W88111AF Datasheet PDF : 64 Pages
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W88111AF/W88112F
ATAPI CD-ROM Decoder & Controller
This specification is subject to change without notice.
Preliminary/Confidential
Command block registers
A
N
0
0
0
Data
A
N
0
0
1
ATAPI Error Register ATAPI Features
A
N
0
1
0
ATAPI Interrupt Reason Register
A
N
0
1
1
Reserved for SAM TAG Bytes
A
N
1
0
0
ATAPI Byte Count Register (bits 0-7)
A
N
1
0
1
ATAPI Byte Count Register (bits 8-15)
A
N
1
1
0
Drive Select
A
N
1
1
1
ATAPI Status
ATA Command
Note : A = signal asserted, N = signal negated
DSP Interface
NAME
NO.
LRCK
8
SDATA
9
BCK
10
C2PO
11
TYPE
I
I
I
I
PIN DESCRIPTION
L/R Channel Clock - Left and right channels are distinguished by
this signal.
Serial Data - Serial data from DSP is received from this input.
Bit Clock - Bit clock from DSP is received from this input.
C2 Pointer - C2 error flag from DSP is received from this input.
Subcode Interface
NAME
NO.
SCSD
17
WFCK
18
SCSYN
19
EXCK
20
TYPE
I
I
I
I/O
PIN DESCRIPTION
Subcode Serial Data - Subcode serial data from DSP is
received from this input.
Write Frame Clock - Write frame clock from DSP is received
from this input.
Subcode Sync - Subcode sync from DSP is received from this
input.
External Clock - A pin programmed as input or output to supply
bit clock for subcode.
External RAM Interface
NAME
NO.
TYPE PIN DESCRIPTION
ROEb
84
O External RAM Output Enable - External RAM read strobe.
RWEb
88
O External RAM Write Enable - External RAM write strobe.
- 10 -
Publication Release Date: Aug, 1996
Preliminary/ Confidential Revision A0.1
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