13
MZ-E300
Pin No.
Pin name
I/O
Description
1
FR
I
Connected to Bias resistor for VTEC oscillating frequency
2
ISET
I
Connected to Bias resistor for VTEC current charge pump
3
VCVDD
—
Power supply for VTEC
4
PDD
O
VTEC current charge pump output
5
TEST3
I
Input for test
6
TEST2
I
Input for test
7
SLCO
O
Slice level output for HF signal
8
SLCIST
I
Connected to Bias resistor for the slice level adjusting amplifier
9
EFMIN
I
HF signal input
10
RESETB
I
System reset
11
TEST1
I
Input for test
12
HFL
I
Track detection signal input
13
VDD2
—
Power supply
14
VSS
—
Ground
15
VDD1
—
Internal power supply
16
AVSS1
—
Ground for digital servo
17
PEAK
I
PEAK signal input
18
BOTTOM
I
BOTTOM signal input
19
ABCD
I
Main beam quantity signal input
20
TE
I
Tracking error signal input
21
FE
I
Focus error signal input
22
VC
I
Center potential input
23
AVDD1
—
Power supply for digital servo
24
MAD9
O*
Address output to DRAM (NC)
25
DSW1
O*
Disc mode select output
26
MAD8
O*
Address output to DRAM (NC)
27
DSW0
O*
Disc mode select output
28
MAD7
O*
Address output to DRAM (NC)
29
SGC
O*
AGC control signal output
30
MAD6
O*
Address output to DRAM (NC)
31
AOFFSET
O*
ABCD offset control signal output
32
MAD5
O*
Address output to DRAM (NC)
33
FOFFSET
O*
Focus offset control signal output
34
TOFFSET
O*
Tracking offset control signal output
35
MAD4
O*
Address output to DRAM (NC)
36
TBAL
O*
Tracking balance control signal output
37
LDREF
O*
Laser control signal output
38
FBAL
O*
Focus balance control signal output
39
VDD1
—
Internal power supply
40
VSS
—
Ground
41
VDD2
—
Power supply
42
MAD3
O*
Address output to DRAM (NC)
43
SPPWMF
O*
Spindle PWM output
44
SPPWMR
O*
Spindle PWM output
45
SLPWMF
O*
Sled PWM output
SECTION 5
DIAGRAMS
5-1. EXPLANATION OF IC TERMINALS
• IC601 LC89642-8B-E
(DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO SIGNAL PROCESSOR, ATRAC ENCODER/DECODER,
8MBIT D-RAM, D/A CONVERTER)
