Sony PRS-505 Service Manual page 36

PRS-505
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MAIN BOARD IC301 A3P125-VQG100 (INDICATOR CONTROLLER)
Pin No. Pin Name
1 GND
2 to 8 PD15 to PD9
9 GND
10, 11 PD8, PD7
12 GND
13 PD6
14 GND
15, 16 PD5, PD4
17 VCC
18 VCCI
19 to 22 PD3 to PD0
23 PSFL
24 VMV
25 GND
26 FCLK
27 LCLK
28 PCLK
29 SDLE
30 to 36 SDDO0 to SDDO6
37 VCC
38 GND
39 VCC1
40 SDDO7
41 SDCLK
42 SDOE
43 GDOE
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44 GDSP
45 GDCLK
46 GND
47 TCK
48 TDI
49 TMS
50 VMV
51 GND
52 VPUMP
53 NC
54 TDO
55 TRST
56 VJTAG
57 to 59 SDCE5 to SDCE3
60 to 62 SDCE2 to SDCE0
63 SDSHR
64 GDRL
65 PWRCOM
66 VCCI
67 GND
68 VCC
69 PWR2
70 BDR1
71 BDR0
72 PWR0
73 PWR1
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74 VMV
75 GND
76 SPIDO
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77 SPICLK
78 SPIDI
79 SPICS
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I/O Description
- Ground terminal
I Video data input from the main CPU
- Ground terminal
I Video data input from the main CPU
- Ground terminal
I Video data input from the main CPU
- Ground terminal
I Video data input from the main CPU
- Power supply terminal (+1.5V)
- Power supply terminal (+3.3V)
I Video data input from the main CPU
I Not used
- Power supply terminal (+3.3V)
- Ground terminal
I Frame clock signal input from the main CPU
I Latch clock signal input from main CPU
I Pixel clock signal input from the main CPU
O Latch enable signal output to the ink indicator element
O Video data input from the main CPU
- Power supply terminal (+1.5V)
- Ground terminal
- Power supply terminal (+3.3V)
O Video data input from the main CPU
O Clock signal output to the ink indicator element
O Output enable signl output to the ink indicator element
O Output enable signal output to the ink indicator element
O Sharp panel signal output to the ink indicator element
O Clock signal output to the ink indicator element
- Ground terminal
- Not used
- Not used
- Not used
- Power supply terminal (+3.3V)
- Ground terminal
- Not used
- Not used
- Not used
- Not used
- Not used
O Chip enable signal output terminal
O Chip enable signal output to the ink indicator element
O Not used
O Not used
O Command signal output to the VCOM switch
- Power supply terminal (+3.3V)
- Ground terminal
- Power supply terminal (+1.5V)
O Power supply control signal output terminal
O Border control signal output terminal
O Border control signal output terminal
O Power supply control signal output terminal
O Power supply control signal output terminal
- Power supply terminal (+3.3V)
- Ground terminal
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O Not used
i
O Not used
I Not used
O Not used
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