– 111 –
Pin No.
Pin Name
I/O
Function
• IC4001 Sampling Rate Converter, Digital Filter (MSM9404BGS-BK)/DIGITAL board
DO
SEL
SRDT
SWDT
SCK
XLAT
INIT
NC
VDD
NC
RBPH
STA
FRS
FRM
SLAVE
TEST5
TB7
MDO0
MDO1
MUTE
DATAO
BCKO
LRCKO
TEST4
GND
XI
GND
XO
VDD
O
I
O
I
I
I
I
—
—
—
O
O
I
I
I
I
I/O
I
I
I
O
I/O
I/O
I
—
I
—
O
O
—
—
I/O
I
I
O
O
—
—
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
40
Data output (Not used)
Data select control input
“L”:DI0
n
DO, “H”:DI1
n
DO (Fixed at “L”)
Serial data output
Serial data input
Serial clock input
Serial latch pulse input
Initialize input
“L”:Reset
Not used
Power supply (+3.3V)
Not used
Ring buffer R/W phase control monitor signal output
“L”:Control OFF (Not used)
Fs conversion rate measurement state monitor signal output
“L”:High accuracy
“H”:High speed response mode (Not used)
Input/output Fs rate measurement time selection input
“L”:High accuracy
“H”:High speed response mode (Fixed at “L”)
Input/output Fs rate measurement mode signal input
“L”:Automatic, “H”:Manual (Fixed at “L”)
Output sync mode selection input
“L”:Slave, “H”:Master (Fixed at “L”)
Test pin (Fixed at “L”)
Test bus input/output (Open)
Data output serial data format setting input (Fixed at “L”)
Output mute setting input
“L”:Muted (DATAO only)
Data output (Fso output)
Data output bit clock input/output
Data output Fso word clock input/output
Test pin (Fixed at “L”)
Ground
512 Fso output line master clock input
Ground
Clock output
Output line master clock output (Not used)
Power supply (+3.3V)
Not used
Test bus input/output (Open)
D/A output serial data format setting input (Fixed at “L”)
D/A output word clock output
Data changes at “L”
n
“H” edge (Not used)
D/A output bit clock output
Data changes at “L”
n
“H” edge (Not used)
Not used
Power supply (+3.3V)
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9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
