Sub Cpu Port Functions; Ic Block Diagrams - Sanyo LCD-32XL2 Service Manual

IC Block Diagrams

IC4001 < Analog LCD Display Engine > ADE3800
MCU (SCL, SDA)
PWM
2 Pulse Width
I C
Modulation
GLBL
XCLK
GLobal
Domain
Control
Analog
H&V
Syncs
LLK
Line Lock
PLL
ADC
(Digital)
Analog
ADC
R,G,B
(Analog)
Data
INCLK
Domain
Sub CPU Port Functions (IC1801)
Pin No. Function Name
1 SCL
2 P3_7
3 Reset
4 Xout
5 Vss
6 Xin
7 Vcc
8 Mode
9 P4_5
10 P1_7
11 P1_6
12 P1_5
13 P1_4
14 P1_3
15 P1_2
16 Vref
17 P1_1
18 P1_0
19 P3_3
20 SDA
SMEAS
Sync
Measure
SRT
Sync
Retiming
SCLK
SMUX
Domain
Sync
Multiplexer
SCL
Scaler
DMEAS
SCLK
Data
PLL
Measure
Function
I 2 C Bus Clock (For Tuner, IC101, IC3451 of Signal Unit)
TV_VGA (Not used)
Reset Input (L=Reset)
X'tal Osc. Output (10MHz)
Vss (GND)
X'tal Osc. Input (10MHz)
Vcc=3.3V
Mode / Connected to Vcc
A Detection Input (Not used)
DM Clock Output (Not used)
DM Data (Not used)
DM IR Send (Not used)
RGB ON/OFF Output (Not used)
Power4 Output
Reference for ADC (Vcc)
Timer Recording Output (H=Recording) (Not used)
D/A Control Output (H=Digital)
I 2 C Bus Data (For Tuner, IC101, IC3451 of Signal Unit)
FLK
DCLK
Flicker
Domain
Detection
TCON
DCLK
Timing
PLL, FM
Controller
-8-
Out Data
Syncs & Clock
(To LCD Panel)
TCON