Ic Pin Function Description; System Control Pin Function (Mv-044 Board Ic201) - Sony DVP-NS777P Service Manual

5-1. SYSTEM CONTROL PIN FUNCTION (MV-044 BOARD IC201)

Pin No. Pin Name
1 IREF
2 PLLVSS
3 LPIOP
4 LPION
5 LPFON
6 LPFIP
7 LPFIN
8 LPFOP
9 JITFO
10 JITFN
11 PLLVDD3
12 FOO
13 TRO
14 TROPENPWM
15 PWMOUT1
16 PWMOUT2
17 DVDD2
18 DMO
19 FMO
20 DVSS
21 FG
HIGHA0 to
22 to 27
HIGHA5
28 DVSS
HIGHA6 and
29 and 30
HIGHA7
31 to 34 AD7 to AD4
35 DVDD3
36 to 39 AD3 to AD0
40 and 41 IOA0 and IOA1
42 DVDD2
43 to 48 IOA2 to IOA7
49 and 50 A16 and A17
51 to 53 IOA18 to IOA20
54 APLLVSS
55 APLLVDD3
56 ALE
57 IOOE
58 IOWR
59 IOCS
60 DVSS
61 IFBSY
62 IFSCK
63 IFSDO
64 XIFCS
65 SCL
66 DVDD3
67 SDA
SECTION 5

IC PIN FUNCTION DESCRIPTION

I/O
I Current reference input.It generates reference current for data PLL. (fixed at "L")
— Ground
O Positive output of the low pass filter
O Negative output of the low pass filter
O Negative output of loop filter amplifier
I Positive input of loop filter amplifier
I Negative input of loop filter amplifier
O Positive output of loop filter amplifier
O RF jitter meter output
I Negative input of the operation amplifier for RF jigger meter
— Power supply (+3.3V)
O Focus servo output. PDM output of focus servo compensator
O Tracking servo output. PDM output of tracking servo compensator
O Tray open output, controlled by microcontroller.
O The 1st general PWM output (Not used)
O The 2nd general PWM output
— Power supply (+2.5V)
O Disk motor control output. PWM output
O Feed motor control. PWM output
— Ground
I Motor Hall sensor input (Not used)
O Address bus A8 to A13
— Ground
O Address bus A14 and A15
I/O Data bus HD7 to HD4
— Power supply (+3.3V)
I/O Data bus HD3 to HD0
O Address bus A0 and A1
— Power supply (+2.5V)
O Address bus A2 to A7
O Address bus A16 and A17
O Address bus A18 and A20
— Ground
— Power supply (+3.3V)
I Microcontroller address latch enable (Not used)
O Flash ROM Read enable signal output
O Flash ROM Write enable signal output
O Flash ROM Chip select signal output
— Ground
I IF CON Interrupt input
O Serial data transfer clock signal output to the IF CON
O Serial data output to the IF CON
O IF CON Chip select signal output
O Clock signal output to the EEPROM
— Power supply (+3.3V)
I/O Two-way data bus with the EEPROM
Function
5-1
DVP-NS777P