Sanyo DC-PT70 Service Manual page 28

IC BLOCK DIAGRAM & DESCRIPTION
IC800 ZR36748(DVD Player AV Decorder)
Pin No. Name
Loader interface, AV bit stream interface (25pin)
18 ATDD[11]#
DVDDAT[0]
16 ATDD[4]#
DVDDAT[1]
14 ATDD[10]#
DVDDAT[2]
13 ATDD[5]#
DVDDAT[3]
11 ATDD[6]#
DVDDAT[5]#
GPCI/O[26]
9 ATDD[7]#
DVDDAT[7]#
GPCI/O[27]
10 ATDD[8]#
DVDDA[6]#
GPCI/O[28]
12 ATDD[9]#
DVDDAT[4]#
GPCI/O[29]
19 ATDD[3]#
DVDREG#
GPCI/O[30]
20 ATDD[12]#
DVDVALID
21 ATDD[2]#
DVDERR#
GPCI/O[32]
22 ATDD[13]#
DVDSOS
23 ATDD[1]#
DVDSTRB
24 ATDD[14]#
GPCI/O[34]#
MEMCS[3]#
32 ATINTRQ#
GPCI/O[35]
26 ATDD[15]#
GPCI/O[36]
27 ATLOW#
GPCI/O[37]
29 ATIOR#
GPCI/O[38]
31 ATIORDY#
SERVDSPRDY#
GPCI/O[39]
25 ATDD[0]#
GPCI/O[40]
34 ATDA[2]#
GPCI/O[41]
36 ATDA[1]#
CDERR#
GPCI/O[42]
37 ATDA[0]#
CDFRM#
GPCI/O[43]
I/O
I/O# ATAPI data I / O.
I A / V data I.
I/O# ATAPI data I / O.
I A / V data I.
I/O ATAPI data I / O.
I A / V data I.
I/O# ATAPI data I / O.
I A / V data I.
I/O# ATAPI data I / O.
I# A / V data I.
I/O Controled general I / O by microcomputer software.
I/O# ATAPI data I / O.
I# A / V data I.
I/O Controled general I / O by microcomputer software.
I/O# ATAPI data I / O.
I# A / V data I.
I/O Controled general I / O by microcomputer software.
I/O# ATAPI data I / O.
I# A / V data I.
I/O Controled general I / O by microcomputer software.
I/O# ATAPI data I / O.
I# A / V data request O (Polarity is programable).
I/O Controled general I/ O by microcomputer software.
I/O# ATAPI data I / O.
I A / V data active I (Polarity is programable).
I/O# ATAPI data I / O.
I# A / V error I (Polarity is programable).
I/O Controled general I / O by microcomputer software.
I/O# ATAPI data I / O.
I A / V sector opening I (Polarity is programable).
I/O# ATAPI data I / O.
I A / V data bit strobe (Clock) I (Programable).
I/O# ATAPI data I / O.
I/O# Controled general I / O by microcomputer software.
O General chip select O, from CPU to external device.
I# ATAPI interruptio requirement I.
I/O Controled general I / O by microcomputer software.
I/O# ATAPI data I / O.
I/O Controled general I / O by microcomputer software.
O# ATAPI PIO write signal O.
I/O Controled general I / O by microcomputer software.
O# ATAPI PIO write signal O.
I/O Controled general I / O by microcomputer software.
I# ATAPI PIO ready signal I.
I# Survo DSP ready signal I.
I/O Controled general I / O by microcomputer software.
I/O# ATAPI data I / O.
I/O Controled general I / O by microcomputer software.
O# ATAPI address signal O.
I/O Controled general I / O by microcomputer software.
O# ATAPI address signal O.
I CD-DSP error signal I.
I/O Controled general I / O by microcomputer software.
O# ATAPI address signal O.
I# CD-DSP frame signal I.
I/O Controled general I / O by microcomputer software.
- 27 -
Function