Sharp TQ-GX30E Service Manual page 138

GX30
IC704 (LR38863): DISPLAY CONTROLLER
Pin No. Terminal name
1 DUMMY4
2 VDDPLL
3 PLLGND
4 PLLDIV0
5 PLLDIV1
6 HSD0
7 HSD1
8 HSD2
9 HSWRD
10 HSEN
11 HSCK
12 DUMMY3
13* PWM1/PORT8
14 PLLDIV2
15 VDDCORE
16 GND
17 SUBWR_B
18 GND
19 VDDCORE
20 PWM0/PORT3
21 SUBCS_B
22 CS_B
23 VDDIO
24 LCDINT
25 GTDIO_B
26 VDDIO
27 SUBDB1
28 BDATA[5] (B5)
29 BDATA[5] (B4)
30 BDATA[5] (B3)
31 GND
32 TESTI
33 BSHS_B
34 WR_B
35 SUBRS
36 MP4 RESET_B
37 HSD6
38 BDATA[2] (B2)
39 BDATA[2] (B1)
40 BDATA[2] (B0)
41* EXCS_B1
42* XOUT
43 VDDIO
44 GND
45 SCANEN
46 RD_B
47 RSP
48 GND
49 HSD3
50 DCLK
51 VSYNC
52 HSYNC
53* EXCS_B3
54 XIN
55 SUBDB6
56 RESET_B
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Input/Output
– Dummy 4
– PLL Power supply 1.8 V (1.6 V~ 2.0 V)
– PLL Ground
Input PLL multiply switching signal
Input PLL multiply switching signal
Input/Output Data bus for high-speed serial transfer
Input/Output Data bus for high-speed serial transfer
Input/Output Data bus for high-speed serial transfer
Input/Output Read/Write determination signal for high-speed serial transfer
Input/Output High-speed serial data effective signal High is active
Input/Output Standard clock for high-speed serial transfer (5 to 33 MHz)
– Dummy 3
Output PWM output 1
Input PLL multiply switching signal
– CORE Power supply 1.8 V (1.6 V~ 2.0 V)
– Logic ground
Input/Output Light signal for External display
– Logic ground
– CORE Power supply 1.8 V (1.6 V~ 2.0 V)
Output PWM output 0
Input/Output Chip select signal for External display
Input/Output Device select signal (Display is active when CS_B is "Low")
– IO Power supply 3.0 V (2.7 V~ 3.3 V)
Output External interrupt signal (Starting varies when interruption occurs.)
Output MPEG4ASIC internal core power-cut signal ("Low" is active.)
– IO Power supply 3.0 V (2.7 V~ 3.3 V)
Input/Output Data bus for External display
Output Display panel B output signa
Output Display panel B output signa
Output Display panel B output signa
– Logic ground
Input Test terminal (Connected to GND normally)
Input/Output External Bit Stream horizontal synchronization signal ("Low" is active)
Input/Output Host write strobe signal
Input/Output Data determination signal for External display
Output MPEG4ASIC reset control signal ("Low" is active)
Input/Output Data bus for high-speed serial transfer
Output Display panel B output signal
Output Display panel B output signal
Output Display panel B output signal
Input/Output Chip select output 1 (internal decode output) (Not used)
Output Oscillation circuit output (Not used)
– IO Power supply 3.0 V (2.7 V~ 3.3 V)
– Logic ground
Input Full scan effective signal "High" is active
(Connected to GND normally)
Input/Output Host read strobe signal
Input/Output Register selection signal
– Logic ground
Input/Output Data bus for high-speed serial transfer
Input/Output Data sampling clock (display clock)
Input/Output Vertical synchronization signal
Input/Output Horizontal synchronization signal
Input/Output Chip select output 3 (internal decode output) (Not used)
Input Oscillation circuit input/External clock input signal
Clock input for full scan
Input/Output Data bus for External display
Input Master reset (All registers are initialized when Low is activated)
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CONFIDENTIAL
Description of terminal
General-purpose PORT output (default) (Not used)
General-purpose PORT output (default)
HOST_IF section : RSP = Low...Display access
RSP = High...Control access
Hyper_Serial section : RSP = Low...Control acces
RSP = High...Display access
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