Sony DPP-MS300 Service Manual page 59

• DK-40 BOARD IC503 HD6437045E15F (SYSTEM CONTROLLER)
Pin No. Pin Name
1 BSH
2 NC
3 VRSR
4 VWR
5 VTRS
6 VSS
7 A0
8 to 11 A1 to A4
12 VCC
13 A5
14 VSS
A6 to A10
15 to 19
A11, A12
20, 21
A13, A14
22, 23
A15, A16
24, 25
26 VCC
27 A17
28 VSS
29 TIMER WR
30 WP
31 XRAS
32 XCASL
33 TIMER CE
34 XCASH
35 VSS
36 RDWR
37, 38 A18, A19
39 NC
40 VCC
41
ST
42 VSS
43 XRD
44 XWDTOVF
45 VS1
46 VS2
47 TESTO
48 XWR
49 XCS1
50 XCS0
51 REG
I/O
I
Status (CPU emancipation of memory bus) input from the A/D, D/A converter (IC407)
—
Not used (open)
O Refresh stop request output to the A/D, D/A converter (IC407)
O
Internal register data write end latch pulse output to the A/D, D/A converter (IC407)
I
Busy signal input from the A/D, D/A converter (IC407)
—
Ground terminal
O
Address signal output to the ROM (IC506), PC card controller (IC1501) and PC card slot
Address signal output to the A/D, D/A converter (IC407), mechanism controller (IC505), ROM
O
(IC506), D-RAM (IC509), PC card controller (IC1501) and PC card slot
—
Power supply terminal (+5V)
Address signal output to the A/D, D/A converter (IC407), mechanism controller (IC505), ROM
O
(IC506), D-RAM (IC509), PC card controller (IC1501) and PC card slot
—
Ground terminal
Address signal output to the A/D, D/A converter (IC407), mechanism controller (IC505), ROM
O
(IC506), D-RAM (IC509), PC card controller (IC1501) and PC card slot
Address signal output to the A/D, D/A converter (IC407), mechanism controller (IC505), ROM
O
(IC506) and D-RAM (IC509)
O
Address signal output to the A/D, D/A converter (IC407) and ROM (IC506)
O
Address signal output to the ROM (IC506)
— Power supply terminal (+5V)
O
Address signal output to the ROM (IC506)
—
Ground terminal
O
Data write enable signal output to the timer (IC1700)
I Write protect signal input from the PC card controller (IC1501)
Row address strobe signal output to the A/D, D/A converter (IC407) and D-RAM (IC509)
O
"L" active
O
Lower byte column address strobe signal output to the D-RAM (IC509) "L" active
O
Chip enable signal output to the timer (IC1700)
Column address strobe signal output to the A/D, D/A converter (IC407)
O
Upper byte column address strobe signal output to the D-RAM (IC509) "L" active
—
Ground terminal
O Data write enable signal output to the D-RAM (IC509)
O
Address signal output terminal Not used
—
Not used (open)
—
Power supply terminal (+5V)
INPUT SELECT switch (S1719) input terminal
I
"L": VIDEO MOTION, "H": VIDEO STILL or MEMORY STICK/PC CARD
—
Ground terminal
O
Data read enable signal output terminal "L" active
O
Watch dog timer overflow output terminal
I
Card voltage detection signal input from the PC card slot
I Card voltage detection signal input from the PC card slot
O
Job output terminal (open)
O
Data write enable signal output terminal "L" active
O
Chip select signal output for the centronics parallel interface data bus
O
Chip select signal output to the A/D, D/A converter (IC407)
Attribute memory select signal output of the PC card slot
O
Register access signal output to the PC card controller (IC1501)
Description
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