HCD-SH2000
63
DMB21 BOARD (2/3) IC101 CXD9968R (LE)
Pin No.
Pin Name
I/O
Description
1
RF_A
I
RF main beam (C) input from the optical pick-up block
2
RF_B
I
RF main beam (B) input from the optical pick-up block
3
RF_C
I
RF main beam (A) input from the optical pick-up block
4
RF_D
I
RF main beam (D) input from the optical pick-up block
5
RF_E
I
RF sub beam (F) input from the optical pick-up block
6
RF_F
I
RF sub beam (E) input from the optical pick-up block
7
AVDD18_2
-
Power supply terminal (+1.8V)
8
AVDD33_1
-
Power supply terminal (+3.3V)
9
XTALI
I
System clock input terminal (27 MHz)
10
XTALO
O
System clock output terminal (27 MHz)
11
AGND33
-
Ground terminal
12
V2O
O
Reference voltage (+2V) output to the optical pick-up block
13
V14/VREFO
O
Reference voltage (+1.4V) output terminal
14
REXT
I
Current reference input terminal Fixed at “L” in this set
15, 16
MDI1, MDI2
I
Laser power monitor input from the optical pick-up block
17, 18
LDO1, LDO2
O
Laser diode drive signal output to the optical pick-up block
19
AVDD33_2
-
Power supply terminal (+3.3V)
20
DMO
O
Spindle motor control signal output to the motor driver
21
FMO
O
Sled motor control signal output to the motor driver
22
MUTE4
O
Muting signal output to the coil/motor driver (for spindle motor)
23
MSW
O
CD/DVD selection signal output terminal “L”: CD, “H”: DVD
24
TRO
O
Tracking coil control signal output to the coil driver
25
FOO
O
Focus coil control signal output to the coil driver
26
EEWP
-
Not used
27, 28
USB_DP, USB_DM
I/O
Two-way audio serial data with the USB controller
29
VDD33_USB
-
Power supply terminal (+3.3V)
30
VSS33_USB
-
Ground terminal
31
PAD_VRT
I/O
USB generating reference current terminal
32
VDD18_USB
-
Power supply terminal (+1.8V)
33
SCL
O
Serial clock signal output terminal Not used
34
SDA
I/O
Two-way serial data bus terminal Not used
35
IFSDI
I
Serial data input from the system controller
36
FS_CS#
O
Chip select signal output to the
fl
ash ROM
37
SF_DO
O
Serial data output to the
fl
ash ROM
38
SF_DI
I
Serial data input from the
fl
ash ROM
39
SF_CK
O
Serial clock signal output to the
fl
ash ROM
40
IFSCK
O
Serial data transfer clock signal output to the system controller
41
IFSOD
O
Serial data output to the system controller
42
ICE
I
ICE mode enable setting terminal Not used
43
PRST#
I
Reset signal input from the system controller “L”: reset
44
IR
I
IR control signal input terminal Not used
45 to 49
RD0 to RD4
I/O
Two-way data bus with the SD-RAM
50
DVDD33
-
Power supply terminal (+3.3V)
51 to 53
RD5 to RD7
I/O
Two-way data bus with the SD-RAM
54
DVDD18
-
Power supply terminal (+1.8V)
55
DQM0
O
Data mask signal output to the SD-RAM
56 to 59
RD15 to RD 12
I/O
Two-way data bus with the SD-RAM
60
DVSS33
-
Ground terminal
61 to 64
RD11 to RD8
I/O
Two-way data bus with the SD-RAM
65
DQM1
O
Data mask signal output to the SD-RAM
66
RCLK
O
Clock signal output to the SD-RAM
67
RA11
O
Address signal output to the SD-RAM
68
DVDD33
-
Power supply terminal (+3.3V)
