DECODER FOR CD-MP3/CD-ROM
S5L9274
1
INTRODUCTION
S5L9274 is a single chip ISO/IEC 11172-3 Layer III audio decoder, capable
of decoding compressed elementary bit stream as specified in ISO/IEC
standard. As a decoder for the DISC-MAN, it can provide you more small and
cheaper solution for MP3 player application.
S5L9274 is low voltage IC that can read MP3 and CD-ROM format discs and
can be applied to various products.
FEATURES
Single-chip ISO/IEC 11172-3 Layer III Audio Decoder
Support All MPEG Bit Rates including free format
Support 32/44.1/48 kHz Sampling Frequency for MPEG Bit Stream
Support Single Channel, Dual Channel, Stereo and Joint Stereo
Any Combination of Intensity Stereo & MS Stereo is supported
Serial Host Interface
Simple Software for Micom
Support Off-chip DAC interface
Anti Shock Memory Controller
Power Save Mode : POWER-DOWN, SLEEP (when paused)
Use of Standard Crystal 16.9344MHz
16.9344MHz Clock Output Port
Soft Mute Function
CDFS(CD-ROM File System) Decoding
Low Power Dissipation : 171mW @3.0 volts
ORDERING INFORMATION
Device
Package
Supply Voltage
Operating Temperature
S5L9274X01-E0R0
64-LQFP-1010
2.8V
3.3V
-20
C
+75
C
64-LQFP-1010
DECODER FOR CD-MP3/CD-ROM
S5L9274
5
PIN DESCRIPTION
Pin No
Symbol
I/O
Description
1
VDD
P
Digital Power
2
XI
I
X'tal Oscillator input(16.9344MHz)
3
XO
O
X'tal Oscillator output
4
XOUT
O
Buffered Output of XO
5
CLK
I
System Clock input
6
RESETB
I
System Reset Active LOW
7
PLL0 VDDA
P
Analog Power for PLL0
8
PLL0 VSSA
G
Analog Ground for PLL0
9
PLL0 VBBA
G
Analog Ground for PLL0
10
FILTER_0
O
External Capacitor port for PLL0
11
PLL1 VDDA
P
Analog Power for PLL1
12
PLL1 VSSA
G
Analog Ground for PLL1
13
PLL1 VBBA
G
Analog Ground for PLL1
14
FILTER_1
O
External Capacitor port for PLL0
15
PLL_BYPASS
I
Tied to GROUND.
16
VSS
G
Digital Ground
17
VDD
P
Digital Power
18
ACLK EXT
I
External Audio Clock source
19
CD CLK
O
Clock Output for CD DSP IC
20
CD DATA
I
Data from CD DSP IC
21
CD LRCK
I
LRCK from CD DSP IC
22
CD BCK
I
BCK from CD DSP IC
23
CD C2PO
I
C2PO from CD DSP IC
24
ACLK
O
Audio clock to DAC clock input
25
BCLK
O
BCLK to DAC
26
LRCK
O
LRCK to DAC
27
ADAT
O
Data to DAC
28
EMP
O
Emphasis On/Off
29
ETYPE
O
Indicates emphasis type
30
N.C
-
No used
31
N.C
-
No used
32
VSS
G
Digital Ground