JVC XV-M50BK Service Manual page 52

XV-M50BK
2.Pin function
Pin No. Symbol
1 VDD
2 XOUT
3 VSS
4 XIN
5 RESET
6 AN5
7
AN4
8 AN3
9 AN2
10 AN1
11 AN0
12 CS
13 SIN
14 SOUT
15 SCLK
16 VEE
17 VEE
18 DIG0/P0
19 DIG1/P1
20 DIG2/P2
21 DIG3/P3
22 DIG4/P4
23 DIG5/P5
24 DIG6/P6
25 DIG7/P7
26 DIG8/SEG17
27 DIG9/SEG16
28 DIG10/SEG15
29 DIG11/SEG14
30 DIG12/SEG13
31 DIG13/SEG12
32 DIG14/SEG11
33 DIG15/SEG10
34 DIG16/SEG9
35 DIG17/SEG8
36 SEG7
37 SEG6
38 SEG5
39 SEG4
40 SEG3
41 SEG2
42 SEG1
43 SEG0
44 VDD
1-52
I/O
+B
-
O
Both terminals are short-circuited on the outside, and capacity is connected.
-
0v is supplied to vss.
I
Both terminals are short-circuited on the outside, and capacity is connected.
I
Reset input of active "L"
The pull-up resistor is built into between Vcc terminals.
I
Key S811~S815 input
-
GND
-
GND
I
Key S821~S826 input
I
SHUTTLE control
I
Key S831~S836 input
When "L" is input, serial data can be forwarded.
I
The serial data is input.
I
Take in twice continuously with the sample clock of 2MHz.
The serial data is output. Becomes "Hiz" while resetting
O
Clock of serial transfer is input.Take in twice continuously with the sample clock of 2MHz.
I
The voltage supplied to the pull down resistance is added.
-
Digit output or general-purpose output terminal.
O
At reset:Becomes "V
EE
Digit output or segment output terminal.
O
At reset : Becomes "V
EE
Segment output terminal.
O
At reset : Becomes "V
EE
+B
-
Function
" level through the pull down resistance.
" level through the pull down resistance.
" level through the pull down resistance.
M35500BGP