Sharp XL-MP80H - Page 50

XL-MP80H/MP80E
8 – 6
IC801 VHIMN6627933C: CD Digital Signal Processor (MN6627933C) (1/2)
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
NOTE: Signals with * are switched to other signals by microcomputer command.
DRAM pins differ in specifications depending on the type and capacity.
Pin No. Terminal Name I/O Function
1 D11 I/O DRAM data signal input/output 11
2 D10 I/O DRAM data signal input/output 10
3 D9 I/O DRAM data signal input/output 9
4 D8 I/O DRAM data signal input/output 8
5 UDQM O SDRAM upper byte data mask signal output
6 SDRCK O SDRAM clock signal output
7* A11 O DRAM address signal output 11
8 A9 O DRAM address signal output 9
9 A8 O DRAM address signal output 8
10 A7 O DRAM address signal output 7
11 A6 O DRAM address signal output 6
12 A5 O DRAM address signal output 5
13 A4 O DRAM address signal output 4
14 LDQM O SDRAM lower byte data mask signal output
15 NWE O DRAM write enable signal output
16 NCAS O DRAM CAS control signal output
17 NRAS O DRAM RAS control signal output
18 NCS O SDRAM chip select signal output
19 A3 O DRAM address signal output 3
20 A2 O DRAM address signal output 2
21 A1 O DRAM address signal output 1
22 A0 O DRAM address signal output 0
23 DRVDD1 I DRAM interface I/O power supply 1
24 DVSS1 I Digital circuit GND 1
25 A10 O DRAM address signal output 10
26* *BA1 O SDRAM bank select signal output 1
27 *BA0 O SDRAM bank select signal output 0
28 DVDD1 I Internal digital circuit power supply 1
29 SPOUT O Spindle drive signal output (absolute value)
30* *SPPOL O Spindle drive signal output (polarized)
31 TRVP O Traverse drive signal output (positive)
32* *TRVM O Traverse drive signal output (negative)
33* *TRVP2 O Traverse drive signal output 2 (positive)
34* *TRVM2 O Traverse drive signal output 2 (negative)
35 TRP O Tracking drive signal output (positive)
36* *TRM O Tracking drive signal output (negative)
37 FOP O Focus drive signal output (positive)
38* *FOM O Focus drive signal output (negative)
39 IOVDD1 I Digital I/O power supply 1
40 TBAL O Tracking balance adjustment signal output
41 FBAL O Focus balance adjustment signal output
42 FE I Focus error signal input
43 TE I Tracking error signal input
44 ADPVCC I Voltage input for monitoring power supply
45 RFENV I RF envelope signal input
46 LDON O Laser ON signal output
47 NRFDET I RF detection signal input
48 OFT I Off-track signal input
49 BDO I Drop-out signal input
50 AVDD I Analog circuit power supply 1
51 IREF I Analog reference current input
52 ARF I RF signal input
53 DSLF O DSL loop filter pin
54 PWMSEL I PWM output mode switch input. L: direct H: ternary
55 PLLF O PLL loop filter pin (phase comparison output)
56 PLLFO O PLL loop filter pin (speed comparison output)
57 AVSS I Analog circuit GND 1