Hitachi C15-LC880SNT Service Manual page 30

INFORMATION OF ICS
IC GM5221 PQFP-208 (TTL Display Interface)
Pin No. Pin Name
11 AVDD_LV_E_3.3
12 AVSS_LV_E
13 ER0
14 ER1
15 ER2
16 ER3
17 ER4
18 ER5
19 ER6
20 ER7
21 EG0
22 EG1
23 AVSS_LV_E
24 AVDD_LV_E_3.3
25 AVSS_LV
26 AVDD_LV_3.3
27 AVDD_LV_O_3.3
28 AVSS_LV_O
29 EG2
30 EG3
31 EG4
32 EG5
33 EG6
34 EG7
35 EB0
36 EB1
37 EB2
38 EB3
39 AVSS_LV_O
40 AVDD_LV_O_3.3
43 EB4
44 EB5
45 EB6
46 EB7
47 DEN
48 DHS
49 DVS
55 DCLK
67 PPWR
68 PBIAS
Analog Power for TTL outputs. Connect to analog 3.3V supply
Ground
Red channel bit 0
Red channel bit 1
Red channel bit 2
Red channel bit 3
Red channel bit 4
Red channel bit 5
Red channel bit 6
Red channel bit 7
Green channel bit 0
Green channel bit 1
Ground for TTL outputs.
Digital Power for TTL outputs. Connect to digital 3.3V supply.
Ground for TTL outputs.
Digital Power for TTL outputs. Connect to digital 3.3V supply.
Digital Power for TTL outputs. Connect to digital 3.3V supply.
Ground for TTL outputs.
Green channel bit 2
Green channel bit 3
Green channel bit 4
Green channel bit 5
Green channel bit 6
Green channel bit 7
Blue channel bit 0
Blue channel bit 1
Blue channel bit 2
Blue channel bit 3
Ground
Digital Power for TTL outputs. Connect to digital 3.3V supply.
Blue channel bit 4
Blue channel bit 5
Blue channel bit 6
Blue channel bit 7
Display Enable
Display Horizontal Sync.
Display Vertical Sync.
Display Pixel Clock.
Panel Power Control [Tri-state output, 5V-tolerant]
Panel Bias Control (backlight enable) [Tri-state output, 5V-tolerant]
- 37 -
Description
Not used.
Not used.
Red channel bit 0
Red channel bit 1
Red channel bit 2
Red channel bit 3
Red channel bit 4
Red channel bit 5
Not used.
Not used.
Green channel bit 0
Green channel bit 1
Green channel bit 2
Green channel bit 3
Green channel bit 4
Green channel bit 5
Not used.
Not used.
Blue channel bit 0
Blue channel bit 1
Blue channel bit 2
Blue channel bit 3
Blue channel bit 4
Blue channel bit 5