Sony DVP-FX921 - 6 IC Pin Function Description; MPEG;DSP;RF PIN Functiom (Main Board U6: MT1389 LP)

6-1
DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935
SECTION 6
IC PIN FUNCTION DESCRIPTION
6-1. MPEG/DSP/RF PIN FUNCTIOM (MAIN BOARD U6: MT1389LP)
Pin No. Name I/O Description
1 RFA I RFA Analog Input RF main beam input A
2 RFB I RFB Analog Input RF main beam input B
3 RFC I RFC Analog Input RF main beam input C
4 RFD I RFD Analog Input RF main beam input D
5 RFE I RFE Analog Input RF sub beam input E
6 RFF I RFF Analog Input RF sub beam input F
7 AVDD18 - AVDD18_2 analog power (Analog 1.8V power)
8 AVDD133 - AVDD33_1 analog power (Analog 3.3V power)
9 XTALI I XTALI input (27MHz crystal input)
10 XTALO O XTALO output (27MHz crystal output)
11 AGND - AGND33 analog ground
12 V20 O V20 analog output (Reference voltage 2.0V)
13 V14 O V14 Analog output (Reference voltage 1.4V)
14 REXT I Current reference input. It generates reference current for RF path.
15 MDI1 I Laser power monitor input
16 MDI2 I Laser power monitor input
17 LDO1 O Laser driver output
18 LDO2 O Laser driver output
19 AVDD33 - Analog 3.3V power
20 DMO O Disk motor control output. PWM output.
21 FMO O Feed motor control. PWM output.
22 TRAY_OPEN O Tray PWM output. Tray open output.
23 TRAY_CLOSE O Tray PWM output. Tray close output.
24 TRO O Tracking servo output. PDM output of tracking servo compensator.
25 FOO O Focus servo output. PDM output of focus servo compensator.
26 FG/GPIO2 I Motor hall sensor input
27 USB_DP I USB port DPLUS analog pin
28 USB_DM I USB port DMINUS analog pin
29 USB_V33 - Digital IO power 3.3V
30 USB_GND - Digital IO ground
31 PAD_VRT GPIO2
32 USB_V18 - Digital core power 1.8V
33 GPIO3/INT# O General purpose IO 3
34 GPIO4 I/O General purpose IO 4
35 GPIO6 O General purpose IO 6
36 SF_CS_ I/O SF_CS_
37 SF_DO I/O Serial flash data out
38 SF_DI I/O Serial flash data in
39 SF_CK I/O Serial flash clock
40 UP1_6/SCL I/O I2C clock pin
41 UP1_7/SDA I/O I2C data pin
42 ICE I Microcontroller ICE mode enable
43 PRST# I Power on reset input, active low
44 IR I IR control signal input
45 RD0 I/O DRAM data 0
46 RD1 I/O DRAM data 1
47 RD2 I/O DRAM data 2
48 RD3 I/O DRAM data 3
49 RD4 I/O DRAM data 4
50 DVDD33 - 3.3V power pin for internal digital circuitry
51 RD5 I/O DRAM data 5
52 RD6 I/O DRAM data 6
53 RD7 I/O DRAM data 7