參數(shù)資料
型號(hào): SAA7811HL
廠商: NXP SEMICONDUCTORS
元件分類: 消費(fèi)家電
英文描述: Single-chip DVD-ROM(單片DVD-ROM)
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP208
封裝: 28 X 28 X 1.40 MM, PLASTIC, LQFP-208
文件頁數(shù): 3/20頁
文件大?。?/td> 86K
代理商: SAA7811HL
1999 Oct 05
3
Philips Semiconductors
Preliminary specification
Single-chip DVD-ROM
SAA7811HL
Embedded SRAM (1.5 kbytes Xdata, 512 bytes Idata,
224 bytes data and registers)
4 banks: on Idata and registers; for better multi-tasking
support
External flash EPROM programming support
– Serial boot possible with empty flash EPROM
– Internal program upload support.
Code space support up to 1 Mbyte through built-in bank
switching
Debug interface for embedded microcontroller.
Servo processor
Switched current analog-to-digital converters for diode
and error signal inputs
Selectable servo error or servo diode inputs
Focus and radial servo loops
Automatic closed loop gain control available for focus
and radial loops
Built-in access procedure with fast track count input
High-speed track crossing velocity measurement
(>350 kHz) for CD and DVD
Special DVD track crossing support
Fast radial brake circuitry
EFM actuator damping circuitry
SledgemotorservoloopwithenhancedPositionControl
Sledge (PCS) support
Sledge stepper motor support
Adaptive Repetitive Control (ARC)
Debug interface for servo.
Clock multiplier
On-chip clock multipliers allows the use of 8.4672 MHz
crystal.
Disclaimer
SupplyofthisCompactDiscICdoesnotconveyanimplied
license under any patent right to use this IC in any
Compact Disc application.
GENERAL DESCRIPTION
The SAA7811 is a single-chip device for high speed
DVD-ROM applications. The device contains the following
blocks previously contained in separate ICs:
channel decoder
block decoder
servo processor
microcontroller.
QUICK REFERENCE DATA
Note
1.
The analog and digital core supply pins (V
DDA
and V
DDD(CO)
) must be connected to the same external supply.
ORDERING INFORMATION
SYMBOL
PARAMETER
MIN.
TYP.
MAX.
UNIT
V
DDD(CO)
V
DDD1(3P)
V
DDD2(5P)
V
DDA
I
DD
f
XTAL
T
amb
T
stg
supply voltage digital part core; note 1
supply voltage digital part pad cells 3 V
supply voltage digital part pad cells 5 V
supply voltage analog part; note 1
supply current
crystal frequency
operating ambient temperature
storage temperature
3.0
3.0
4.5
3.0
8
0
55
3.3
3.3
5.0
3.3
tbf
8.4672
3.6
3.6
5.5
3.6
35
60
+125
V
V
V
V
mA
MHz
°
C
°
C
TYPE NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
SAA7811HL
LQFP208
plastic low profile quad flat package; 208 leads; body 28
×
28
×
1.4 mm
SOT459-1
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