JVC RX-DV3SL Service Manual page 22

RX-DV3SL
UPD784215AGC167 (IC681) : Dital signal controller
1. Pin layout
2. Pin function (1/2)
Pin No.
Symbol
1~8
9
VDD
10
X2
11
X1
12
VSS
13
XT2
14
XT1
15
RESET
16
AUTODATA
17
LOCK
18
DIGITAL0
19
FORMAT
20
CHANNEL
21
ERR
22
REST IN
23
AVDD
24
AVREF0
25
26
27
28
29
30
31
32
33
AVSS
34,35
36
AV REF1
37
RX
38
TX
39
40
DSPCOM
41
DSPSTS
42
DSPCLK
43
DSPRDY
44
45
MIDIO IN
46
MIDIO OUT
47
MICK
48
MICS
1-22
~
100 76
1
25
~
26 50
I/O
-
Non connect
-
Power supply terminal
O
Connecting the crystal oscillator for system main clock
I
Connecting the crystal oscillator for system main clock
-
Connect to GND
O
Connecting the crystal oscillator for system sub clock
I
Connecting the crystal oscillator for system sub clock
I
System reset signal input
I
Output of DSP to general-purpose port
I
Output of DSP to general-purpose port
I
Output of DSP to general-purpose port
I
Output of DSP to general-purpose port
I
Output of DSP to general-purpose port
I
Output of DSP to general-purpose port
I
Reset signal input
-
Power supply terminal
-
Connect to GND
-
Connect to GND
-
Connect to GND
-
Connect to GND
-
Connect to GND
-
Connect to GND
-
Connect to GND
-
Connect to GND
-
Connect to GND
-
Connect to GND
-
Non connect
-
Power supply terminal
-
Not use
-
Not use
-
Non connect
I
Communication port from IC701
O
Status communication port to IC701
I
Clock input from IC701
I
Ready signal input from IC701
-
Non connect
I/O
Interface I/O terminal with microcomputer
I/O
Interface I/O terminal with microcomputer
O
Interface I/O terminal with microcomputer of clock signal
O Interface I/O terminal with microcomputer of chip select
75
51
Function