CIRCUIT DESCRIPTION
KRF-V7020D/V8020D/VR-307/309/357
12
Pin No.
Pin Name
I/O
Descriptions
1
Vdd1
-
Power 5V)
2~4
-
-
No connect
5~7
SDIB0~2
O
PCM output port for sub DSP
8
XI
I
Crystal oscillation port.(902:6.25~50.0MHz,912:12.288MHz)
9
XO
O
Crystal oscillation port.
10
Vss
-
GND
11
AVdd
-
Power 3.3V) for PLL
12~18
-
-
No connect
19
CPO
O
PLL output port.
20
AVss
I
GND
21
Vdd2
-
Power 3.3V)
22
SDOA2
O
PCM output port from main DSP
23
-
-
No connect
24
SDOA0
O
PCM output port from main DSP
25~29
-
-
No connect
30
Vss
-
GND
31
Vdd1
-
Power 5V)
32
-
-
No connect
33
OPORT1
O
-
34~39
-
-
No connect
40
Vss
-
GND
41
Vdd2
-
Power 3.3V)
42-44
-
-
No connect
45
SDO2
O
PCM output port from sub DSP(C,LFE/SWch)
46
SDO1
O
PCM output port from sub DSP(LS,RSch)
47
SDO0
O
PCM output port from sub DSP(FL,FRch)
48,49
-
-
No connect
50
Vss
-
GND
51
Vdd2
-
Power 3.3V)
52~59
-
-
No connect
60
Vss
-
GND
61
-
-
No connect
62
/IC
I
Initial clear port.
63,64
-
-
No connect
66
/CS
I
Microprocessor interface chip selector input port.
67
SO
O
Microprocessor interface serial data output port.
68
SI
I
Microprocessor interface serial data input port.
69
SCK
I
Microprocessor interface clock input port.
70
-
-
No connect
71
Vdd1
-
Power 5V)
72~79
-
-
No connect
80
Vss
-
GND
81
Vdd2
-
Power 3.3V)
82
SDIWCK 0
I
Word clock for SD input ports.
83
SDIBCK 0
I
Bit clock for SD input ports.
84
SDIA
I
AC3 bit stream data input port.
85~89
-
-
No connect
90
Vss
-
GND
91
Vdd2
-
Power 3.3V)
92,93
-
-
No connect
94
IPORT5
I
Input port register
95
-
-
No connect
96~99
IPORT3~0
I
Input port register
100
Vss
-
GND
5-2 Pin description
