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CPU PORT FUNCTIONS
Pin No.
Function Name
1
RC IN
2
RESET
3
AUD-MUTE
4
P0.6
5
P0.5
6
P0.4
7
P0.3
8
KEY IN
9
P0.1
10
P0.0
11
PROTECT
12
P3.6
13
P0.6
14
WE
15
B-OUT
16
G-OUT
17
R-OUT
18
BF-OUT
19
SDA
20
SCL
21
VDD
22
JDTO
23
N.C
24
Vpp
25
AVDD3
26
TEST0
27
MCFM
28
JTCK
29
TXCF
30
CVBS0
31
AVDD2
32
JTMS
33
CVBS2
34
CVBS1
35
AGND
36
GND
37
JTRSTO
38
PXFM
39
AVDD
40
H-SYNC
41
V-SYNC
42
ACK
43
STATUS
44
IGNOA
45
AMP-MUTE
46
P4.4
47
LED2
48
P4.6
49
P4.7
50
OSCOUT
51
OSCIN
52
RF AGC
53
P2.4
54
POWER
55
IF AGC
56
8PIN
Function
RC Signal Input
Reset Input
TV Audio Mute Output "L": Mute On
Note used
Note used
Note used
Note used
Key Switch Signal Input
Note used
Note used
Power Failure Detect Input "L": Error
Note used
Note used
Write Enable
Blue Output
Green Output
Red Output
Fast Blanking Output
SDA
SCL
Power
Not used
Not used
Not used
Analogue VDD of PLL
Test
Test
Test
Analogue pin for the Teletext slicerline PLL
Not used
Analogue Power Supply
Not used
Composite Video Signal Input
Composite Video Signal Input
Digital Ground
Analogue Ground
Test
Analogue pin for the Display Pixel Frequency Multiplier
Analogue Power Supply
Horizontal Sync. Input
Vertical Sync. Input
Answer for STATUS
Request for bus open
RGB on/off Switch
Mute on/off SWitch
Not used
LED Drive
S-Video
Not used
Oscillator Output
Oscillator Input
RF Gain Control
Not used
Power on/off Switch
IF Auto gain Control
AV Input Detect
11
IN/OUT
IN
IN
OUT
--
--
--
--
IN
--
--
IN
--
--
OUT
OUT
OUT
OUT
OUT
IN/OUT
OUT
IN
--
--
--
--
--
--
--
--
--
IN
--
IN
IN
--
--
--
--
IN
IN
IN
OUT
IN
OUT
OUT
--
OUT
--
--
OUT
IN
IN
--
OUT
IN
IN
EB6-D chassis
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