Sony CDX-T70MX - IC Pin Function Description

37
CDX-T70MX
5-14. IC PIN FUNCTION DESCRIPTION
• MAIN BOARD IC301 HD6432238RWN22TEIV (SYSTEM CONTROLLER)
Pin No. Pin Name I/O Description
1 TEST I Test mode setting terminal “L”: test mode Not used
2 DECXRST O Reset signal output to the CD-ROM/MP3 decoder “L”: reset
3 DECSTBY O Standby mode control signal output to the CD-ROM/MP3 decoder “H”: standby
4 FOK I Focus OK signal input from the DSP “L”: NG, “H”: OK
5 GFS I Guard frame sync signal input from the DSP “L”: NG, “H”: OK
6 SCLK O Serial data reading clock signal output to the DSP
7 SENS I Internal status signal (sense signal) input from the DSP
8CDCLK O Serial data transfer clock signal output to the DSP
9CDLAT O Serial data latch pulse signal output to the DSP
10 CDDAT O Serial data output to the DSP
11 XRST O System reset signal output to the DSP “L”: reset
12 CVCC — Power supply terminal (+3.3V) (for system)
13 NC O Not used
14 VSS — Ground terminal
15 XQOK O Subcode Q OK pulse signal output to the DSP
16 XRDE O Read enable signal output to the DSP
17 XWRE O Write enable signal output to the DSP
18 DAC-DATA O Mode control data output to the D/A converter
19 DAC-CLK O Mode control data transfer clock signal output to the D/A converter
20 DAC-LAT O Mode control data latch pulse signal output to the D/A converter
21 ESPSEL I ESP mode setting terminal “L”: ESP on (fixed at “L” in this set)
22 TEXTSEL I CD text mode setting terminal “L”: CD text on (fixed at “L” in this set)
23 CFSEL I Custom file on/off setting terminal “L”: custom file on (fixed at “L” in this set)
24 DOUT SEL I Input terminal for digital out on/off setting “L”: digital out on Not used
25 MAG-SW I Magazine detect switch input terminal “L”: magazine in
26 MUTE O Audio line muting on/off control signal output “H”: muting on
27, 28 NC O Not used
29 CDON O D/A convert and servo sections power supply on/off control signal output “H”: power on
30 EVON O Mechanism deck section power supply on/off control signal output “H”: power on
31 PCTX O PC connecting output terminal for UART
32 PCRX I PC connecting input terminal for UART
33 to 35 NC O Not used
36 ELVF O Motor drive signal (elevator up direction) output to the elevator motor drive
37 ELVR O Motor drive signal (elevator down direction) output to the elevator motor drive
38 SCOR I Subcode sync (S0+S1) detection signal input from the DSP
39 NC O Not used
40 GRSCOR I Subcode sync (S0+S1) detection signal input from the DSP
41 NC O Not used
42 AVSS — Ground terminal (for A/D converter)
43 to 49 NCI I Not used
50 EHS I Elevator height position detection signal input from the elevator height sensor (A/D input)
51 NCI I Not used
52 MCK I
Input of detection signal for the fine adjustment (elevator height (address) adjustment) of elevator
height position (A/D input)
53 VREF I Reference voltage (+3.3V) input terminal (for A/D converter)