Philips AZ7381 Service Manual page 14

SM5902AF – COMPRESSION-TYPE ANTI-SHOCK MEMORY CONTROLLER NPC
Pin Name Direction
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1 VDD +3
NPC ↔
2 UC1
NPC ↔
3 UC2
NPC ↔
4 UC3
NPC ↔
5 UC4
NPC ↔
6 UC5
NPC → optical output
7 DIT
8 TEST2 +3
DAC → NPC
9 CLK
10 VSS GND
CD7 → NPC
11 YSRDATA
CD7 → NPC
12 YLRCK
CD7 → NPC
13 YSCK
NPC → DAC
14 ZSCK
NPC → DAC
15 ZLRCK
NPC → DAC
16 ZSRDATA
CD7 → NPC
17 YFLAG
18 YFCLK GND
CD7 → NPC
19 YBLKCK
µP → NPC
20 RESET
NPC → µP
21 ZSENSE
22 VDD2 +3
23 YDMUTE GND
µP → NPC
24 YMLD
µP → NPC
25 YMDATA
µP → NPC
26 YMCLK
NPC → DRAM
27 OE
NPC → DRAM
28 CAS
NPC ↔ DRAM
29 D2
NPC ↔ DRAM
30 D3
NPC ↔ DRAM
31 D0
NPC ↔ DRAM
32 D1
NPC → DRAM
33 WE
NPC → DRAM
34 RAS
NPC → DRAM
35 A9
NPC → DRAM
36 A8
NPC → DRAM
37 A7
NPC → DRAM
38 A6
NPC → DRAM
39 A5
NPC → DRAM
40 A4
NPC → DRAM
41 A0
NPC → DRAM
42 A1
NPC → DRAM
43 A2
NPC → DRAM
44 A3
CS 46 468
3-7
Description
supply voltage
µP interface extension I/O line 1
µP interface extension I/O line 2
µP interface extension I/O line 3
µP interface extension I/O line 4
µP interface extension I/O line 5
digital audio interface output
test pin
16.9344MHz clock input
ground
audio serial data input
audio serial L/R clock input
audio serial bit clock input
audio serial bit clock output
audio serial L/R clock output
audio serial data output
signal processor IC RAM overflow flag
crystal-controlled frame clock input
subcode block clock signal output
system reset input (active low)
µP interface status output
supply voltage
forced mute input
µP interface latch clock input
µP interface serial data input
µP interface shift clock input
DRAM OE control output (active low)
DRAM CAS control output (active low)
DRAM data input/output 2
DRAM data input/output 3
DRAM data input/output 0
DRAM data input/output 1
DRAM WE control output (active low)
DRAM RAS control output (active low)
DRAM address output 9
DRAM address output 8
DRAM address output 7
DRAM address output 6
DRAM address output 5
DRAM address output 4
DRAM address output 0
DRAM address output 1
DRAM address output 2
DRAM address output 3