Pin Description
Pin
No. Symbol I/O
1 CBLK
O
2 DVSS
—
3 VSYC
O
4 HSYC
O
5 CSYC
O
6 TST8
O
7 DVSS
—
8 DVDD
—
9 TST9
O
10 TST4
I
11 TST5
I
12 DVSS
—
13 TST6
I
14 TST7
I
15 INTR
I
16 NTSC
I
17 XOUT
O
18 XIN
I
19 XTL2
O
20 XTL1
I
21 CBAR
I
22 APCJ
I
23 DVSS
—
24 XRST
I
25 VOFF
I
26 CLK
I
27 DIN
I
28 XLT
I
29 TSTA
O
30 TSTB
O
31 TSTC
O
32 DVSS
—
33 DVDD
—
34 MUTE
I
Description
Composite blanking signal; negative logic
Digital ground
Vertical sync signal; negative logic
Horizontal sync signal; negative logic
Composite sync signal; negative logic
Test pin
Digital ground
Digital power supply
Test pin
Test pin
Test pin
Digital ground
Test pin
Test pin
Interlace/non-interlace (High/Low) switching signal
NTSC/PAL (High/Low) select signal
14.31818MHz (NTSC 4fsc) crystal oscillator circuit output
14.31818MHz (NTSC 4fsc) crystal oscillator circuit input
17.734475MHz (PAL 4fsc) crystal oscillator circuit output
17.734475MHz (PAL 4fsc) crystal oscillator circuit input
Color bar output select signal; positive logic
APC-adjusting input signal; positive logic
Digital ground
Reset input signal; negative logic
R, G, B output mute select signal; positive logic
Data write clock signal from CPU
Serial data input signal from CPU
Data latch signal from CPU
Test pin
Test pin
Test pin
Digital ground
Digital power supply
Subcode data mute signal; positive logic
–3–
CXD1807Q