HCD-SHAKE7
64
MOTHERBOARD BOARD (2/10) IC306 CXD90013R (CD RF AMP FOCUS/TRACKING ERROR AMP CD SYSTEM
PROCESSOR DIGITAL SERVO PROCESSOR
Pin No. Pin Name I/O Description
1 RFC I RF main beam (A) input from the optical pick-up block
2 RFD I RF main beam (D) input from the optical pick-up block
3 RFE I RF sub beam (F) input from the optical pick-up block
4 RFF I RF sub beam (E) input from the optical pick-up block
5 AVDD12_2 - Power supply terminal (+1.2V)
6 AVDD33_1 - Power supply terminal (+3.3V)
7 XTALI I System clock input terminal (27 MHz)
8 XTALO O System clock output terminal (27 MHz)
9 AGND33 - Ground terminal
10 V20 O Reference voltage (+2V) output to the optical pick-up block
11 V14 O Reference voltage (+1.4V) output terminal
12 REXT I Current reference input terminal Fixed at “L” in this set
13 MDI1 I Laser power monitor input from the optical pick-up block
14 LDO1 O Laser diode drive signal output to the optical pick-up block
15 LDO2 O Laser diode drive signal output to the optical pick-up block
16 AVDD33_2 - Power supply terminal (+3.3V)
17 DMO O Spindle motor control signal output to the motor driver
18 FMO O Sled motor control signal output to the motor driver
19 TRAY_OPEN O Muting signal output to the coil/motor driver (for spindle motor)
20 TRAY_CLOSE O CD/DVD selection signal output terminal “L”: CD, “H”: DVD
21 TRO O Tracking coil control signal output to the coil driver
22 FOO O Focus coil control signal output to the coil driver
23 FG I Thermal shut down signal input from the coil/motor driver
24 USB_DM I/O Two-way audio serial data with the USB controller
25 USB_DP I/O Two-way audio serial data with the USB controller
26 VDD33_USB - Power supply terminal (+3.3V)
27 VSS33_USB - Ground terminal
28 PAD_VRT I/O USB generating reference current terminal
29 VDD12_USB - Power supply terminal (+1.2V)
30 SF_CS_ O Chip select signal output to the fl ash ROM
31 SF_DO O Serial data output to the fl ash ROM
32 SF_DI I Serial data input from the fl ash ROM
33 SF_CK O Serial clock signal output to the fl ash ROM
34 UP1_6 O Serial data transfer clock signal output to the system controller
35 UP1_7 O Serial data output to the system controller
36 GPIO11 - Not used
37 GPIO6 - Not used
38 PRST# I Reset signal input from the system controller “L”: reset
39 IR I IR control signal input terminal Not used
40 GPIO3 I Serial data input from the system controller
41 GPIO4 I Communication initialization request signal input from the system controller
42 GPIO13 O Communication initialization request acknowledge signal output to the system controller
43 GPIO9 - Not used
44 GPIO8 - Not used
45 GPIO7 O Muting signal output to the coil/motor driver (for focus/tracking coil and sled motor)
46 GPIO29 - Not used
47 GPIO30 - Not used
48 GPIO31 - Not used
49 GPIO32 - Not used
50 DVSS33 - Ground terminal
51 DVDD33 - Power supply terminal (+3.3V)
52 RD0 I/O Two-way data bus with the SD-RAM
53 RD1 I/O Two-way data bus with the SD-RAM
54 RD2 I/O Two-way data bus with the SD-RAM
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