Pin Definition And Functions - Toshiba 29VH27E Service Manual

• Tools for greatly simplified software development
• 24-Kbyte on-chip reconfigurable DRAM
• 44160-bit character ROM
• One external crystal for all standards

14.4.2.Pin Definition and functions

Pin No. P-LCC-68-1 Symbol
1 INTQ
2 CLK-IO
3 TCSQ/FLD
4 VS/VCS
5 HS
6 XOUT
7 XIN
8 GPO
9 TM
10 CVBS
11 V
12 V
13 V
14 N.C.
15 N.C.
16 V
17 RES
18 N.C.
19 N.C.
20 N.C.
21 V
22 N.C.
23 V
24 N.C.
25 V
26 A8
27 A7
28 A6
29 A5
30 A4
31 A3
32 A2
33 A1
34 A0
35 A9
36 A10
37 A11
38 RASQ
39 WEQ
40 D1
41 D0
42 D2
43 D3
44 V
45 CASQ
46 N.C.
47 N.C.
48 N.C.
49 V
50 N.C.
51 N.C.
52 N.C.
53 N.C.
54 N.C.
55 V
56 V
57 N.C.
Function
Interrupt request output to ext. controller
System clock input/output
Composite sync output/ field output
Vertical sync input/output
Horizontal sync input/output
20.5-MHz crystal oscillator output
20.5-MHz crystal oscillator input
General purpose output
Test pin, leave open or connect VSS
CVBS-video signal input
+ 5 V digital supply
DD1
+ 5 V analog supply
DDA
Analog ground
SSA1
Not connected
Not connected
+ 5 V digital supply
DD2
Chip reset
Not connected
Not connected
Not connected
+ 5 V digital supply
DD3
Not connected
+ 3 V reference voltage input
REF
Not connected
+ 5 V digital supply
DD4
External DRAM-address
External DRAM-address
External DRAM-address
External DRAM-address
External DRAM-address
External DRAM-address
External DRAM-address
External DRAM-address
External DRAM-address
External DRAM-address
External DRAM-address
External DRAM-address
Row address strobe (DRAM)
Write enable (DRAM)
External DRAM-data
External DRAM-data
External DRAM-data
External DRAM-data
0 V digital supply
SS4
Column address strobe
Not connected
Not connected
Not connected
0 V digital supply
SS3
Not connected
Not connected
Not connected
Not connected
Not connected
0 V digital supply
SS2
Substrate bias voltage N.C.* (depends on version)
BB
Not connected
8