NJU26207
- 4 -
Ver.2008-12-03
Pin Description
Table 1 Pin Description
Pin No.
Symbol
I/O
Function
1
SDI3
I
Audio Data Input ch.3 (L/R)
2
SDI2
I
Audio Data Input ch.2 (L/R)
3
SDI1
I
Audio Data Input ch.1 (L/R)
4
SDI0
I
Audio Data Input ch.0 (L/R)
5
LRI
I
LR Clock Input
6
VDDIO
-
I/O Power 3.3V
7
BCKI
I Bit
Clock
Input
8
VSS
-
DSP Core Power Supply GND
9
VDD
-
DSP Core Power 1.8V
10 TEST
*
I
for test
connect with VSSIO through 3.3-ohm resistance.
11
MUTEb *
I
Master Volume Status after reset ‘1’: 0dB, ‘0’: Mute
12
WDC *
OD
Watchdog Clock output pin (Open drain output)
13 PROC
*
I
Signal Processing after reset ‘1’: Normal Processing, ‘0’: Waiting for a
Command without Processing
14
VSSIO
-
I/O Power Supply GND
15
VDDIO
-
I/O Power 3.3V
16
SEL
I
Host Interface Selection ‘1’: Serial Interface, ‘0’: I
2
C bus
17
VDDPLL
-
PLL Power 1.8V
18
VSSPLL
-
PLL Power Supply GND
19
VSS
-
DSP Core Power Supply GND
20
VDD
-
DSP Core Power 1.8V
21 CLKOUT
O
OSC
Clock
Output
22
CLK
I
OSC Clock Input (12.288MHz)
23
VSSIO
-
I/O Power Supply GND
24
VDDIO
-
I/O Power 3.3V
25
RESETb
I
Reset (RESETb=’0’: DSP Reset)
26
TEST
I
for test (connect to VDDIO)
27
TEST
I
for test (connect to VSSIO)
28
TEST
I
for test (connect to VSSIO)
29 AD1/SDIN
I
I
2
C Address (I
2
C mode) / Serial In (4-wire serial mode)
30 AD2/SSb
I
I
2
C Address (I
2
C mode) / Serial enable (4-wire serial mode)
31 SCL/SCK
I
I
2
C SCL (I
2
C mode) / Serial clock (4-wire serial mode)
32 SDA/SDOUT
I/O
I
2
C SDA (I
2
C mode) / Serial Out (4-wire serial mode)
33
VDDIO
-
I/O Power 3.3V
34
MCK
O
A/D, D/A clock output (buffer output of a CLK pin)
35 BCKO
O
Bit
Clock
Output
36 LRO
O
LR
Clock
Output
37
TEST
O
For test (Non connect)
38
SDO2
O
Audio Data Output ch.2 (Monitor L/R)
39
SDO1
O
Audio Data Output ch.1 ((L+R)/2)
40
SDO0
O
Audio Data Output ch.0 (L/R)
41
VDDIO
-
I/O Power 3.3V
42
VSSIO
-
I/O Power Supply GND
43
VSS
-
DSP Core Power Supply GND
44
VDD
-
DSP Core Power 1.8V
Note : I : Input
O : Output
OD : Open Drain Output
I/O : Bi-directional
Pins symbol with *
: Connect with VDDIO or VSSIO through 3.3k
Ω
resistance
