at78c1502 ATMEL Corporation, at78c1502 Datasheet - Page 8

• Manufacturer Part Number: at78c1502
• Description: Dvd/cd Servo
• Manufacturer: ATMEL Corporation

Figure 3. Block Diagram
8
MUXOUT
AT78C1502
CINTACK
ADCREF
A (13:0)
D (7:0)
MTRK
RDSZ
WRB
CINT
SINT
SUM
AIN4
AIN5
RDB
CSB
FCS
LPS
SF
Hold &
Controller
(THF)
Interface
Track
Interrupt
Filter
Control
Logic
(CIF)
(ICL)
Program Space
Data Space
Dual-Port
Band Gap
RAM
(MAD)
and
MUX
ADC
Ref
&
Synthesizer
Frequency
(FQS)
Machine (TSM)
Timing State
Processing
Unit (SPU)
UART
Servo
Distribution
Clock Osc
(COD)
and
Serial Interface
(SIP)
(TRCNT)
Port
Purpose
General
Counter
Output
(DOB)
(GPP)
Spindle
Control
Block
Servo
DAC
Block
(SIB)
Track
(SCL)
Port
Input
Logic
SDENA2
SDENA1
SDENA0
SDATA
SCLK
GPP (7:0)
CRSDAC
FINDAC
FDAC
DAC1
DAC0
CNTRST
CAP
FOK
IDF
WG
JTRIG
LHP
BCA
HD1,2
HD3,4
TOK
TZC
MIRR
SPCLK
BEMF
2050A–DVD–07/02