參數(shù)資料
型號： AD1801
廠商： Analog Devices, Inc.
英文描述： Single-Chip Fax/Data/ Voice Modem(單片的傳真/數(shù)據(jù)/語音調(diào)制解調(diào)器)
中文描述： 單芯片傳真/數(shù)據(jù)/語音調(diào)制解調(diào)器（單片的傳真/數(shù)據(jù)/語音調(diào)制解調(diào)器）
文件頁數(shù)： 1/52頁
文件大小： 348K
代理商： AD1801
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
AD1801
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 1998
Single-Chip Fax/Data/Voice Modem
FEATURES
Single-Chip Integrated Fax/Data/Voice Modem
Two Channel
SD
ADC and Three Channel
SD
DAC
Supports V.34+, V.17 and Fallback Modem/Fax
Standards and V.70 DSVD
ADSP-21xx 34 MIPS DSP Core with SPORTs and IDMA
Controller
16K Words Data Memory (RAM), 20K Words Program
Memory (RAM and ROM), 512 Byte CIS RAM
PC‘97-Compliant Single Function Plug and Play
ISA/Multifunction PCMCIA Parallel Interfaces
Single 16.9344 MHz Clock Input
Two Analog Inputs and Three Analog Outputs
Eight Programmable I/O Pins
Bidirectional Programmable Interrupt Structure
Three Pin Serial Memory Port Interface/ICE-Port
Emulator Interface/JTAG Boundary Scan Test Interface
Programmable Gain, Attenuation and Mute
On-Chip Signal Filters
Digital Interpolation and Decimation
Analog Output Low Pass
1 Hz Resolution Programmable Audio (Handset) Sample
Rates from 5.4 kHz to 48 kHz, Modem Sample
Rates from 5.4 kHz to 48 kHz, with 1 Hz, 8/7 Hz and
10/7 Hz Resolution
128-Lead PQFP and 128-Lead TQFP Packages
Operation from Single +5 V Supply
Advanced Power Management
FUNCTIONAL BLOCK DIAGRAM
PCM_
ISA
PNP_
STD
9
EMULATOR I/O
IRQx/PCMCIA
EXT. PORT 1
SD (15:0)
SA (15:0)/PCMCIA
EXT. PORT 1
9
16
16
AEN/
REG
IOCHRDY/
WAIT
IOR
IOW
RESET
8
GP I/O
3
EEPROM PORT
5
JTAG INTERFACE
SINGLE
FUNCTION
PLUG AND
PLAY ISA/
MULTI-
FUNCTION
PCMCIA
INTERFACE
CONTROL
AND STATUS
REGISTERS
CLOCK
GENERATION
S
SPORT0
ADSP-21xx
CORE
34 MIPS
SPORT1
IDMA
CONTROLLER
I/O
MAPPED
16 WORD
FIFO
512
3
8
DUAL PORT
CIS RAM
4K
3
24
PROGRAM
BOOT ROM
16K
24
PROGRAM
SRAM
16K
3
16
DATA SRAM
5
16-BIT
SD
ADC
MUTE/
LPF
DAA RCVP
DAA RCVN
DAA XMITP
DAA XMITN
LINE IN
LINE OUT
HANDSET SPKRP
HANDSET SPKRN
MONITOR SPKR
HANDSET MIC
DSP SERIAL
PORT/EXTERNAL
FUNCTION PORT 2
16.9344 MHz
XTALI XTALO
PDW
PWDACK
RING
DAA
CODEC
ENGINE
HANDSET
CODEC
ENGINE
MONITOR
SPEAKER
DAC
ENGINE
0, +6, +12dB
F
S
48kHz
0 TO –31dB
0 TO +22.5dB
+12 TO –34.5dB
0, –6, –12dB
GN/AT = GAIN/ATTENUATION
MIC
GAIN
20dB
VOLTAGE REFERENCE
5
4
9
10
MSF
FILT
V
REF
CMOUT
AGND
AV
DD
DGND
DV
DD
16-BIT
SD
DAC
F
S
48kHz
PGA
ATTEN
16-BIT
SD
ADC
F
S
48kHz
PGA
16-BIT
SD
DAC
MUTE/
ANALOG
SWITCH
GN/AT
16-BIT
SD
DAC
ATTEN/
DRIVER
AD1801
SBHE/CE2
IOCS16/IOIS16
RESET
F
S
48kHz
F
S
48kHz
ICE-Port is a trademark of Analog Devices, Inc.
All other trademarks are the property of their respective holders.
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