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SA-AK250GCP
22 Terminal Function of IC's
22.1. IC7001 (MN6627954MA) Servo Processor,Digital Signal
Processor/Digital filter and D/A Converter
Pin No.
Mark
1
A11
2
A9
3
A8
4
A7
5
A6
6
A5
7
A4
8
NWE
9
NCAS
10
NRAS
11
A3
12
A2
13
A1
14
A0
15
A10
16
BA0
17
BA1
18
PRAMVSS33
19
PRAMVDD33
20
PRAMVDD15
21
SPOUT
22
PC
23
TRVP
24
TRP
25
FOP
26
DVSS1
27
IOVDD2
28
DVDD1
29
SRVMON0
30
SRVMON1
31
AVSS2
32
OSCIN
33
CTRCRS
34
VREF
35
E
36
F
37
D
38
B
39
C
40
A
41
PD
42
LD
43
CENV
44
RFENV
45
RFOUT
46
RFIN
47
AVDD2
48
ARFDC
49
ARFOUT
50
ARFFB
51
ARFIN
52
DSLF
I/O
Function
O
DRAM address signal O/P 11
O
DRAM address signal O/P 9
O
DRAM address signal O/P 8
O
DRAM address signal O/P 7
O
DRAM address signal O/P 6
O
DRAM address signal O/P 5
O
DRAM address signal O/P 4
O
Write Enable Signal (DRAM)
O
DRAM CAS Control Signal
O
DRAM ARS Control Signal
O
DRAM address Signal O/P 3
O
DRAM address Signal O/P 2
O
DRAM address Signal O/P 1
O
DRAM address Signal O/P 0
O
DRAM address Signal O/P 10
-
Motor O/P (0);/Serial I/P (No
connection)
-
Motor O/P (1);/Serial I/P (No
connection)
-
GND (DRAM)
-
Power Supply Voltage (DRAM)
-
Power Supply Voltage (+1.6V)
O
Spindle Drive O/P
I/O
Spindle motor drive O/P signal
O
Traverse Drive O/P (+ve)
O
Tracking Drive O/P (+ve)
O
Focusing Drive O/P (+ve)
-
GND
-
Digital Power Supply Voltage 2
(I/O)
-
Digital Power Supply Voltage 1
(Built-In)
-
Servo Monitor (0) O/P (No
connection)
-
Servo Monitor (1) O/P (No
connection
-
GND
-
Oscillating Input
-
Tracking Cross Comparator
Terminal
-
+Vref Supply Voltage
I
Tracking Input Signal 1
I
Tracking Input Signal 2
I
Focusing Input Signal 4
I
Focusing Input Signal 2
I
Focusing Input Signal 3
I
Focusing Input Signal 1
I
APC Amp I/P
O
Laser Drive Current O/P
-
Detection Capacitance
Connection terminal
O
RF Envelope O/P
O
RF Summing Amp O/P
I
SGC I/P
-
Analog Power Supply voltage 2
(For DSL/PLL)
-
AGC Capacitive Connection
Terminal
O
AGC Output
I
ARF Feedback Signal I/P
I
Audio RF Signal I/P
-
Loop Filter Terminal (For DSL)
Pin No.
Mark
53
IREF
54
PLLF
55
PLLF0
56
OUTL
57
AVSS1
58
AVDD1
59
OUTR
60
DVSS3
61
NSRVMONON
62
EXT0
63
EXT1
64
EXT2
65
FLAG
66
TX
67
MCLK
68
MDATA
69
MLD
70
STAT
71
*BLKCK
72
NRST
73
*DQSYTXT
74
*SMCK
75
*PMCK
76
DVDD2
77
IOVDD1
78
DVSS2
79
NTEST2
80
X2
81
X1
82
NTEST
83
D2
84
D1
85
D0
86
D3
87
D4
88
D5
89
D6
90
D7
91
D15
92
D14
93
DRVDD
94
D13
95
D12
96
D11
97
D10
98
D9
99
D8
100
SDRCK
86
I/O
Function
I
Reference I/P
-
PLL Loop Filter Terminal
(Phase Compare)
-
PLL Loop Filter Terminal
(Speed Compare)
O
Audio O/P (LCH)
-
GND
-
Analog Power Supply Voltage
1
O
Audio O/P (RCH)
-
GND3 (Digital Circuit)
O
Servo Motor O/P Enabling
O
Expansion O/P Port 0
O
Expansion O/P Port 1
O
Expansion O/P Port 2
-
Flag Signal O/P (No
connection)
-
Digital Audio Interface O/P
signal
I
Micro-Computer Command
Clock I/P
I
Micro-Computer Data I/P
I
Micro-Computer Load I/P
O
Status Signal O/P
O
Subcode Blk Clock
O
LSI Reset Signal
-
Pack Signal O/P for CD-Text
data (No connection)
-
Micro-Computer Clock O/P (No
connection)
-
IOCNT Serial data O/P
(Synchronous O/P) (No
connection)
-
Digital Power Supply Voltage 2
(+1.5V)
-
Digital Power Supply Voltage 1
(For I/O)
-
GND2 (For Digital Circuit)
I
Test Mode Setting (ON:H)
O
Crystal Oscillating Circuit O/P
I
Crystal Oscillating Circuit I/P
I
Test Mode Setting I/P (ON:H)
I/O
Data Sigmal O/P 2
I/O
Data Signal O/P 1
I/O
Data Signal O/P 0
I/O
Data Signal O/P 3
I/O
Data Signal O/P 4
I/O
Data Signal O/P 5
I/O
Data Signal O/P 6
I/O
Data Signal O/P 7
I/O
Data Signal O/P 15
I/O
Data Signal O/P 14
-
I/O Power Supply Voltage
(DRAM)
I/O
Data Signal O/P 13
I/O
Data Signal O/P 12
I/O
Data Signal O/P 11
I/O
Data Signal O/P 10
I/O
Data Signal O/P 9
I/O
Data Signal O/P 8
O
Clock Signal O/P
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