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73M2901-IG3

73M2901-IG3首页预览图
型号: 73M2901-IG3
PDF文件:
  • 73M2901-IG3 PDF文件
  • 73M2901-IG3 PDF在线浏览
功能描述: Advanced Single Chip Modem
PDF文件大小: 316.13 Kbytes
PDF页数: 共17页
制造商: TDK[TDK Electronics]
制造商LOGO: TDK[TDK Electronics] LOGO
制造商网址: http://www.tdk.com
捡单宝73M2901-IG3
PDF页面索引
120%
73M2901/3.3V
Advanced Single
Chip Modem
DESCRIPTION
The 73M2901/3.3V is a single-chip modem that
combines all the controller (DTE) and data pump
functions necessary to implement an intelligent
V.22bis data modem. This device is based on TDK
Semiconductor’s implementation of the industry
standard 8032 microcontroller core with a proprietary
multiply and accumulate (MAC) coprocessor; Sigma-
Delta A/D and D/A converters; and an analog front
end. The ROM and RAM necessary to operate the
modem are contained on the device. Additionally,
the 73M2901/3.3V provides an on-chip oscillator and
Hybrid driver.
The 73M2901/3.3V is a high performance, low
voltage, low power, single chip modem capable of
data transmission and reception through 2400bps.
The 73M2901/3.3V is intended for embedded
applications and battery operation. This device
offers low power 3.3 volt design with optional
internal hybrid and country specific call progress
support.
FEATURES
Low overall system chip count. True one
chip solution for embedded systems
Low operating power (~120mW @ 3.3V,
automatic low power standby and power
down options available)
Internal ROM and RAM for normal operation
On chip optional hybrid driver
Designed for +3.15 through +3.6 volts
Data speeds:
V.22bis – 2400bps
V.22, Bell 212 – 1200bps
V.21, Bell 103 – 300bps
V.23 – 1200/75bps (w/ turnaround (PAVI))
Bell 202 – 1200bps
Bell 202 and V23 4-wire operations
Dynamic Range: -9dBm to –43 dBm
“AT” command set
Host access to modem port pins via AT
commands for custom I/O expansion
DTMF tone generation and detection
Call progress support with multinational
options (FCC68, CTR21, JATE…)
Caller ID capability
Blacklisting capability
Packaging: 32 pin PLCC or 44 pin TQFP
BLOCK DIAGRAM
ROM
MAC
RAM
CPU
AFE
Hybrid
RxA
TxAP
TxAP
HBDEN
TxCLK
ASRCH
RING
DTR
RI
CTS
DCD
DSR
RTS
RxCLK
TxD
RxD
USR10
USR11
RELAY
December 2000
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