Rev.1.00 2003.05.08 page 6 of 23
M65881AFP
PIN DESCRIPTION
Pin No.
Name
I/O
Output
Current
on 3.3V
Signal Level
1
VddL
Power Supply for Lch PWM Power Stage (3.3V)
–
2
OUTL1
O
Lch PWM1 Output for Power Stage
3.3V
3
VssL
GND for Lch PWM Power Stage
4
OUTL2
O
Lch PWM2 Output for Power Stage
3.3V
5
XOVdd
Power Supply for Secondary Master Clock Buffer ( 3.3V )
6
XfsoOUT
O
Buffered Output of Secondary Master Clock (1024/512fso)
2mA
3.3V
7
XOVss
GND for Secondary Master Clock Buffer
8
DVdd
Power Supply for Digital Block (1.8V)
9
DVss
GND for Digital Block
10
MCKSEL
I
Secondary Master Clock Selector "L":1024fso, "H":512fso
3.3V
11
SCDT
I
Serial Control • Data Input
3.3V
12
SCSHIFT
I
Serial Control • Shift Clock Input
3.3V
13
SCLATCH
I
Serial Control • Latch Signal Input
3.3V
14
NSPMUTE
I
PWM Duty 50% Mute ( "L": Active )
3.3V
15
INIT
I
Initialize Input ( Power Supply Reset ) ; "L" : Reset, "H" : Release
3.3V
16
LRCK
I
LRCK Input (PCM Signal )
3.3V
17
BCK
I
BCK Input ( PCM Signal )
3.3V
18
DATA
I
DATA Input ( PCM Signal )
3.3V
19
BFVdd
Power Supply for Input/Output 3.3V Buffer
20
BFVss
GND for Input/Output 3.3V Buffer
21
XfsiIN
I
Primary Master Clock Input (256fsi/512fsi )
3.3V
22
FsoCKO
O
Secondary Fso Clock Output
4mA
3.3V
23
FsoI
I
Secondary Fso Clock Input
3.3V
24
SFLAG
O
Asynchronous Flag ( H: Active )
4mA
3.3V
25
TEST2
I
Test2 must be connected to GND
3.3V
26
TEST1
I
Test1 must be connected to GND
3.3V
27
HPOUTR2
O
Rch PWM2 Output for Headphone
3.3V
28
HPVssR
GND for Rch Headphone
29
HPOUTR1
O
Rch PWM1 Output for Headphone
3.3V
30
HPVddR
Power Supply for Rch Headphone ( 3.3V )
31
HPOUTL2
O
Lch PWM2 Output for Headphone
3.3V
32
HPVssL
GND for Lch Headphone
33
HPOUTL1
O
Lch PWM1 Output for Headphone
3.3V
34
HPVddL
Power Supply for Lch Headphone ( 3.3V )
35
XVss
GND for Secondary Master Clock Input Buffer
36
XfsoIN
I
Secondary Master Clock Input (1024fso/512fso)
3.3V
37
XVdd
Power Supply for Secondary Master Clock Buffer ( 3.3V )
38
VssLR
GND for PWM Power Stage
39
OUTR2
O
Rch PWM 2 Output for Power Stage
3.3V
40
VssR
GND for Rch PWM Power Stage
41
OUTR1
O
Rch PWM 1 Output for Power Stage
3.3V
42
VddR
Power Supply for Rch PWM Power Stage ( 3.3V)
Description
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