Read Panasonic RF-800UGA / RF-800UGS Service Manual online
36
11.2. Terminal Function of IC
11.2.1.
IC101 (C1AB00004021) USB AUDIO DECODER
Pin No.
Mark
I/O
Function
1
RESETX
I
”H: Release Reset, L: Reset”
2
SEL_SLAVE
I
”H: Stand Alone, L: Slave”
3
SEL_MP3
I
”H: Play MP3 only, L: Play MP1,
MP2, and MP3
MP2, and MP3
4
SEL_DOUT
I
H: Analog DAC Output, L: Digital
Output
Output
5
SEL_VOL
I
H: Volume control valid, L: Volume
control invalid
control invalid
6
SEL_APLAY
I
H: Auto play OFF, L: Auto play
7
SEL_UTPKT
I
”H: Normal Operation, L: USB Test
Packet Output
Packet Output
8
TEST1
-
No Connection
9
TEST2
I
Pull up to 3.3V system power supply
10
MCHNG/
KEY_ROW1
KEY_ROW1
I
Key input
11
BUSY/
KEY_ROW2
KEY_ROW2
I
Key input
12
SCL/
KEY_ROW3
KEY_ROW3
-
No Connection
13
SDA/
KEY_ROW4
KEY_ROW4
I
Key Input
14
A0/KEY_COL1
I
Key Input
15
A1/KEY_COL2
-
No Connection
16
SEL_SMAN/
KEY_COL3
KEY_COL3
I
Key Input
17
TEST3
-
Pull up to 3.3V system power supply
18
DVDDIO
-
No Connection
19
SD_CON
I
Serial data control
20
SD_D0
I
Serial data output
21
SD_CLK
-
No Connection
22
SD_DI
O
Serial data input
23
SD_CS
O
Serial data chip select
24
DVSS
-
Ground
25
TEST4
I
Pull up to 3.3V system power supply
26
TEST5
I
Pull up to 3.3V system power supply
27
DVDD_M2
-
Connect to 57pin
28
TEST6
I
Pull up to 3.3V system power supply
29
TEST7
I
Pull up to 3.3V system power supply
30
TEST8
I
Pull up to 3.3V system power supply
31
ATEST1
-
No Connection
32
AVDDC
-
+3.3V voltage supply
33
USB_DM
I/O USB data -
34
USB_DP
I/O USB data +
35
AVSSC
-
Ground
36
REXTI
O
USB Bias
37
VOREFI
-
No Connection
38
VDD_PLL
-
+3.3V voltage supply
39
TEST_PLL
-
No Connection
40
XIN_PLL
I
PLL oscillator I/P
41
XOUT_PLL
O
PLL oscillator O/P
42
VSS_PLL
-
Ground
43
DAVSS
-
Ground
44
RDACO
O
Audio DAC Line Out Rch
45
VCDACO
-
Audio DAC Ref Voltage
46
LDACO
O
Audio DAC Line Out Lch
47
DAVDD
-
+3.3V voltage supply
48
AMUTE
O
Audio Mute (H: Mute cancel, L:Mute)
49
LED_ERROR
O
Error LED
50
LED_PLAY
O
Play LED
51
LED_PSD
-
No Connection
52
LED_PUSB
-
No Connection
53
LED_ACCESS
O
Memory Access LED
54
LED_RANDOM
-
No Connection
55
LED_REPEAT
O
Repeat LED
56
TEST13
-
Pull up to 3.3V system power supply
57
DVDD_M1
-
Connect to bypass condenser.
58
TEST14
-
Ground
59
TEST15
-
Pull up to 3.3V system power supply
60
TEST16
-
Pull up to 3.3V system power supply
61
TEST17
-
Pull up to 3.3V system power supply
62
DVSS
-
Ground
63
TMODE
-
Ground
64
DVDDIO
-
+3.3V voltage supply
Pin No.
Mark
I/O
Function
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