AT78C1507 ATMEL Corporation, AT78C1507 Datasheet - Page 5

• Manufacturer Part Number: AT78C1507
• Description: DVD/CD Read Channel
• Manufacturer: ATMEL Corporation

2054A–DVD–07/02
Table 1. AT78C1503 Pin List (Continued)
Pin #
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
Pin Name
FOHG
REXT
VDD1
VSS1
FO1_CD
FO2_CD
TR1_CD
TR2_CD
VDD6
SS_H
VSS6
REFFRONT
REFBACK
LENSPOS
ATP1
FE
TE
SLOWSUM
PORB
VSS8
VDD8
IDSEL
LHIPWR
SHLD
ADCSTRT
BWUP
BWDN
IDINT
PD
RG
VSS9
VDD9
WOBBLE
ID12
ID34
TZC
Type
Digital Input
Passive
3.3V Supply
0V Supply
Analog Input
Analog Input
Analog Input
Analog Input
3.3V Supply
Digital Input
0V Supply
Input/Output
Input/Output
Analog Input
Analog Output
Analog Output
Analog Output
Analog Output
Digital Input
0V Supply
3.3V Supply
Digital Input
Digital Input
Digital Input
Digital Input
Digital Input
Digital Input
Digital Input
Digital Input
Digital Input
0V Supply
3.3V Supply
Digital Output
Digital Output
Digital Output
Digital Output
Description
Focus High Gain
Passive for 0 TC Current Reference (16.5 K_, 1%)
DPD, IBIAS
DPD, IBIAS
Focus 1, CD Input
Focus 2, CD Input
Track 1, CD Input
Track 2, CD Input
Slow Servo Analog
Servo Sample and Hold
Slow Servo Analog
Servo Front-end Reference Level
Servo back-end Reference Level
Lens Position Error Input
Servo Analog Test Point
Focus Error Output
Tracking Error Output
Low-pass Filtered Sum of Photodetector Outputs
Power-on Reset, Bar (active-low)
Servo DACs
Servo DACs
ID Field Select
Laser High Power
Servo Hold
Start On-chip 6-bit ADC
Bandwidth Up
Bandwidth Down
Mode Select of Sequencer
Power-down
User Data Read Gate
Servo DAC Rings
Servo DAC Rings
Wobble Detect Output
ID Field 12 Detected
ID Field 34 Detected
Track Zero Crossing
DVD/CD Read Channel
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