19
CDX-M3DI/M1000TF
• IC3 HD6432238RWN35TEI (CD MASTER CONTROL) (SERVO Board (2/2))
Pin No. Pin Name I/O Pin Description
1 TEST I Test mode selection signal input (Open)
2 DECXRST O Reset signal output for DSP IC (L: reset)
3 DECSTBY O Standby mode control signal output for DSP IC (H: standby)
4 to 7 NC O Not used (Open)
8PH3 I CD PH3 photo sensor detection signal input (Open)
9 INSW/PH2 I CD mechanism disc in switch detection signal input
10 LIMIT_SW I CD mechanism limit switch detection signal input
11 D_SW I CD mechanism down switch detection signal input
12 CVCC — System power supply pin (+3.3 V)
13 NC O Not used (Open)
14 VSS — Ground
15 NC O Not used (Open)
16 PH1 I CD PH1 photo sensor detection signal input (Open)
17 EJECT O CD mechanism loading motor control signal output (Eject direction)
18 LOAD O CD mechanism loading motor control signal output (Load direction)
19 to 26 NC O Not used (Open)
27 FLAG I Correction unable detection signal input
28 RFOK I RFOK signal input from digital servo IC
29, 30 NC O Not used (Open)
31 TXD O UART TXD PC connection output (Open)
32 RXD I UART RXD PC connection input (Open)
33 XTALEN O Crystal oscillation control signal output for digital servo IC
34 TSTB O CD text parameter strobe signal output for digital servo IC
35 STB O Data strobe signal output for digital servo IC
36 A0 O
Command/parameter identification signal output for digital servo IC (L: command,
H: parameter)
37 CD_RST O Reset signal output for digital servo IC
38 PACK I CD text pack sync signal input from digital servo IC
39 NC O Not used (Open)
40 SELF_SW I CD mechanism self switch detection signal input
41 NC O Not used (Open)
42 AVSS — Analog ground
43, 44 NC O Not used (Open)
45, 46 NC I Not used (Open)
47, 48 KEY0, KEY1 I Key switch signal input 0, 1 (Open)
49 to 52 NC I Not used (Open)
53 AVREF — A/D converter reference voltage pin (+3.3 V)
54 AVCC — A/D converter power supply pin (+3.3 V)
55, 56 MD0, MD1 I Operation mode input 0, 1 (Fixed at H)
57 X1A I Sub clock oscillation signal input (Open)
58 X0A O Sub clock oscillation signal output (Open)
59 RSTX I Microcomputer reset signal input
60 NMI — Not used (Fixed at H)
61 STBY — Not used (Fixed at H)
62 VCC — Power supply pin (+3.3 V)
63 XTAL I Main clock oscillation signal input (12.288 MHz)
64 VSS — Ground
65 EXTAL O Main clock oscillation signal output (12.288 MHz)
66 FWE I Flash write enable signal input
67 MD2 I Operation mode input 2
68 FL_BOOT I Flash write selection signal input (L: flash write mode)
69 FL-W O Flash write control signal output
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