Read Sony SRF-DR2000 Service Manual online
– 12 –
IC301 MSM 69231-GS-2K (DE-SCRAMBLE MICOM)
Pin No.
Pin name
I/O
Description
1
–
Not used (Open).
2
DO
O
De-scramble data output.
3
DI
I
De-scramble data input.
4
CLK
I
Serial clock input.
–––––––––––––
5
RESET
I
Input signal input.
6, 7
–
Not used (Open).
8
INT
Input terminal for external de-scramble request singal.
9 – 13
–
Not used (Open).
–––––––––
14
OSC1
O
Main system clock oscillator (4.9152MHz).
15
OSC0
I
Main system clock oscillator (4.9152MHz).
16
GND
–
Ground.
17
OSC CONT
O
Clock oscillator control.
18 – 28
–
Not used (Open).
29
EA
I
Test terminal (Must be connected to VDD).
30 – 38
–
Not used (Open).
39
VDD
–
Power supply (+3.2V).
40
–
Not used (Open).
––––––––––––––––
41
DDRDY
O
De-scramble end signal output to external.
––––––––––––
42
BUSY
O
Busy signal output to external.
43, 44
–
Not used (Open).
IC501 (
µ
PD17015G) DTS MICROCOMPUTER
Pin No.
Pin name
I/O
Description
1
REQ
I
Communication request signal input.
2
READY
O
Output communication OK signal output.
3 - 5
PC1 - PC3
–
Not used (Open).
6
BEEP
–
Not used (Open).
7
DATA
I
PLL data input terminal.
8
CLK
I
PLL clock input terminal.
9, 10
PA2,PA3
–
Not used (Open).
11
CE
–
Not used (VDD connection).
12
XOUT
O
Clock oscillator connection terminal.
13
XIN
I
Clock oscillator connection terminal.
14
VDD
–
Power supply (+3V).
15
GND
–
Ground.
16
EO
O
PLL error output terminal.
17
VREG
–
Voltage REG terminal.
18
VCOH
–
Input local oscillator (VCO) output.
19
VCOL
–
Not used (Open).
20 - 28
LCD8 - LCD0
–
Not used (Open).
29 - 32
COM3 - COM0
–
Not used (Open).
33
VLCD1
–
Not used (Open).
34, 35
CAP1,CAP0
–
Not used (Open).
36
VLCD0
–
Not used (Open).
37, 38
PB0,PB1
–
Not used (Open).
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