Sony HCD-EC70 Service Manual page 45

Pin No. Pin Name
49 P74/SDA/SC2
50 P75/SCL/SO2
51 MD2
52 MD1
53 MD0
54 RSTX
55 V0/P80
56 V1/P81
57 V2/P82
58 V3
59, 60 COM0, COM1
61, 62 P83/COM2, P84/COM3
63, 64 SEG0, SEG1
65 VCC
66 VSS
67 to 84 SEG2 to SEG19
85 to 89 SEG20/P10 to SEG24/P14
90 VCC
91 VSS
92 X1
93 X0
94 to 96 SEG25/P15 to SEG27/P17
97 to 100 SEG28/P20 to SEG31/P23
I/O
I Data transfer request signal input from the MP3 decoder
I Acknowledge signal input from the MP3 decoder
I Input pin for selecting operation mode (Connected to ground)
I Input pin for selecting operation mode (Connected to +3.3V)
I Input pin for selecting operation mode (Connected to +3.3V)
I System reset signal input terminal
O Tuner chip enable signal output to the tuner
O Clock signal output to the tuner
O Data output to the tuner
I Reference power terminal of LCD controller/driver
O Common signal output to the LCD
O Common signal output to the LCD
O Segment signal output to the LCD
— Power supply terminal (+3.3V)
— Ground terminal
O Segment signal output to the LCD
O Segment signal output to the LCD
— Power supply terminal (+3.3V)
— Ground terminal
I Resonator input terminal (4.19MHz)
O Resonator output terminal (4.19MHz)
O Segment signal output to the LCD
O Segment signal output to the LCD
Description
HCD-EC70
45