Sony Ericsson XR-C7500RX - Manual (Page 34)

34
7-16. IC PIN FUNCTION DESCRIPTION
• MAIN BOARD IC100 CXD2726Q-4 (DIGITAL SIGNAL PROCESSOR, DIGITAL FILTER, D/A CONVERTER)
Pin No. Pin Name I/O Description
1 VSS1 — Ground terminal (digital system)
2 to 15 T.P I Input terminal for the test (fixed at “L”)
16 to 21 TST0 to TST5 I Input terminal for the test (fixed at “L”)
22 to 24 JPE1 to JPE3 I External condition jump terminal “H”: condition jump (fixed at “L”)
25 VDD1 — Power supply terminal (+3.3V) (digital system)
26 AVS3 — Ground terminal (for D/A converter 1) (analog system)
27 AOUTL1 O
D/A converter 1 (L-ch side) output terminal
Analog signal output for front side (L-ch side) output in this set
28 AVD3 — Power supply terminal (+3.3V) (for D/A converter 1) (analog system)
29 AOUTR1 O
D/A converter 1 (R-ch side) output terminal
Analog signal output for rear side (L-ch side) output in this set
30 AVD5 — Power supply terminal (+3.3V) (for D/A converter 1) (analog system)
31 AVS5 — Ground terminal (for D/A converter 1) (analog system)
32 AVD1 — Power supply terminal (+3.3V) (for L-ch side A/D converter) (analog system)
33 AVS1 — Ground terminal (for L-ch side A/D converter) (analog system)
34 LREF O Connected to the bus control for A/D converter (for L-ch side)
35 LIN I A/D converter (L-ch side) analog input terminal
Tuner and bus audio input signal (L-ch side) in this set
36 AVS7 — Ground terminal (for D/A converter 2) (analog system)
37 AVD7 — Power supply terminal (+3.3V) (for D/A converter 2) (analog system)
38 AOUTL2 O D/A converter 2 (L-ch side) output terminal Not used (open)
39 AVDX — Power supply terminal (+3.3V) (for master clock) (analog system)
40 XTLO38 O System clock output terminal (16.9344 MHz)
41 XTLI38 I System clock input terminal (16.9344 MHz)
42 AVSX — Ground terminal (for master clock) (analog system)
43 AOUTR2 O D/A converter 2 (R-ch side) output terminal Not used (open)
44 AVD8 — Power supply terminal (+3.3V) (for D/A converter 2) (analog system)
45 AVS8 — Ground terminal (for D/A converter 2) (analog system)
46 RIN I
A/D converter (R-ch side) analog input terminal
Tuner and bus audio input signal (R-ch side) in this set
47 RREF O Connected to the bus control for A/D converter (for R-ch side)
48 AVS2 — Ground terminal (for R-ch side A/D converter) (analog system)
49 AVD2 — Power supply terminal (+3.3V) (for R-ch side A/D converter) (analog system)
50 AVS6 — Ground terminal (for D/A converter 3) (analog system)
51 AVD6 — Power supply terminal (+3.3V) (for D/A converter 3) (analog system)
52 AOUTL3 O
D/A converter 3 (L-ch side) output terminal
Analog signal output for rear side (R-ch side) output in this set
53 AVD4 — Power supply terminal (+3.3V) (for D/A converter 3) (analog system)
54 AOUTR3 O
D/A converter 3 (R-ch side) output terminal
Analog signal output for front side (R-ch side) output in this set
55 AVS4 — Ground terminal (for D/A converter 3) (analog system)
56 VSS2 — Ground terminal (digital system)
57 XRST I System reset signal input from the system controller (IC600) “L”: reset
58 BFOT O Master clock signal output terminal Not used (open)
59 SCK I
Serial data transfer clock signal input from the system controller (IC600) and liquid crystal
display drive controller (IC800)