CS8401ACP Cirrus Logic, Inc., CS8401ACP Datasheet
CS8401ACP
Manufacturer Part Number
CS8401ACP
Description
DIP-24
Manufacturer
Cirrus Logic, Inc.
Datasheet
1.CS8401A-CP.pdf
(34 pages)
Cirrus Logic, Inc.
Crystal Semiconductor Products Division
P.O. Box 17847, Austin, Texas 78760
(512) 445 7222 FAX: (512) 445 7581
http://www.crystal.com
Features
l
l
l
l
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Monolithic Digital Audio Interface Transmitter
Supports: AES/EBU, IEC958, S/PDIF, &
EIAJ CP-340 Professional and Consumer
Formats
Host Mode and Stand Alone Modes
Generates CRC Codes and Parity Bits
On-Chip RS422 Line Driver
Configurable Buffer Memory (CS8401A)
Transparent Mode Allows Direct Connection
of CS8402A and CS8412 or CS8401A and
CS8411A
I
CS8401A
CS8402A
Digital Audio Interface Transmitter
FSYNC
RD/WR
FSYNC
SDATA
SDATA
D7-D0
A4-A0
SCK
SCK
CS
C
U
V
14
16
10
11
9
6
7
8
6
7
8
5
8
M2
23
Serial Port
Serial Port
Audio
Audio
Configurable
M1
Registers
Memory
Buffer
22
M0
21
Dedicated Channel
Status Bits
Copyright
INT
Description
The CS8401/2A are monolithic CMOS devices which en-
code and transmit audio data according to the AES/EBU,
IEC958, S/PDIF, & EIAJ CP-340 interface standards.
The CS8401/2A accept audio and digital data, which is
then multiplexed, encoded and driven onto a cable. The
audio serial port is double buffered and capable of sup-
porting a wide variety of formats.
The CS8401A has a configurable internal buffer memo-
ry, loaded via a parallel port, which may be used to buffer
channel status, auxiliary data, and/or user data.
The CS8402A multiplexes the channel, user, and validity
data directly from serial input pins with dedicated input
pins for the most important channel status bits.
ORDERING INFORMATION
15
7
(All Rights Reserved)
See page 30.
Cirrus Logic, Inc. 1997
MUX
MUX
CBL
Prescaler
15
MCK
MCK
TRNPT
5
5
24
RS422
RS422
Driver
Driver
RST
16
20
17
20
17
CS8401A
CS8402A
TXP
TXP
TXN
TXN
NOV ‘93
DS60F1
1
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