- 90 -
Control Port Functions
1
HS
H_sync Input
Active Low
I
2
VS
V_sync Input
Active Low
I
3
P00
P_ON/OFF
ON = H
O
4
P01
AGC MUTE Output
TV = L , Others = H
O
5
P02
REQUEST Output
O
6
P03
RESET Output
O
7
P04
SLOT_106
O
8
P05
SLOT_107
O
9
P06
Not used
I
10
P07
R/C Input
Active Low
I
11
P23
Not used
O
12
P24
Not used
O
13
P25
VIF M_Output
NTSC3.58 = H, Others = L
O
14
P26
SIF SYS_A
O
15
P27
SIF SYS_B
O
16
P35
Not used
O
17
AD7
Option Input
I
18
VSS
GND
-
19
XIN
CPU OSC. Input
I
20
XOUT
CPU OSC. Output
O
21
VSS
GND
-
22
VCC
Vcc
-
23
P34
OSD OSC2
-
24
P33
OSD OSC1
-
25
REST
Reset Input
Active Low
I
26
P31
Not used
O
27
P30
Not used
O
28
P17
Not used
O
29
P16
TB Input (Time base)
O
30
AD1
AFT signal Input
I
31
P14
IIC BUS SDA (EEPROM)
I/O
32
P13
IIC BUS SDA (Bus IC)
I/O
33
P12
IIC BUS CLK (EEPROM)
O
34
P11
IIC BUS CLK (Bus IC)
O
35
P10
Not used
I
36
P22
S Data Input
I
37
P21
S Data Output
O
38
P20
S Clock
O
39
P55
OSD Blanking Output
Active H
O
40
P54
OSD Blue Output
Active H
O
41
P53
OSD Green Output
Active H
O
42
P52
OSD Red Output
Active H
O
Pin No.
Name
Function
I/O
●
TV CPU (IC8504, M37225MC)
1
RA2/AN2/CVREF/VREF-
2
RA3/AN3/VREF+/C1OUT
3
RA4/AN4/T0CKI/C2OUT
LAMP_ON
O
4
RA5/MCLR/Vpp
RESET
5
Vss
GND
-
6
AVss
GND
-
7
RB0/INT/CCP1
LPS
LPS mode ON/OFF Input
I
8
RB1/SDI/SDA
SDA
9
RB2/SDO/RX/DT
RX_LAMP
Lamp Status Signal
I
10
RB3/PGM/CCP1
LAMP_ERR
Lamp Error Output
Lamp Error = H
O
11
RB4/SCK/SCL
SCL
12
RB5/SS/TX/CK
TX_LAMP
Control and Sync signal ECO mode :
Eco = H, Normal = L
O
LPS mode :
LPS = H, Off = L
13
RB6/AN5/PGC/T1OSO
RB6_PIC
Service
14
RB7/AN6/PGD/T1OSI
RB7_PIC
Service
15
AVDD
AVDD
Power 5V
-
16
VDD
VDD
Power 5V
-
17
RA6/OSC2/CLKO
CLKO
-
18
RA7/OSC1/CLKI
CLKI
-
19
RA0/AN0
LAMP_PWM
APL Level Input
I
20
RA1/AN1
LAMP_SW
Lamp_SW Input
I
Pin No.
Name
Function Name
Function
Polarity
I/O
●
LAMP CPU (IC1861, PIC16F88)
9
R
RA
A
A0/AN0
A1/AN1
R
RA
0
LAM
LAM
_P
S
WM
W
AP
La
Level
p_SW
nput
ut
Pin No.
●
TV
Na
CPU
C8504, M
Func
M372
on
225MC)
I/O
2
P
I
I
C B
C B
US
US
SDA
CLK
A (B
K (EE
us I
EPR
C)
OM
M)
O
O
I/
O