參數資料
型號： AT83C24-TISUM
廠商： ATMEL CORP
元件分類： 微控制器/微處理器
英文描述： Rheostat; Leaded Process Compatible:Yes; Peak Reflow Compatible (260 C):Yes; Resistance:40ohm
中文描述： SPECIALTY MICROPROCESSOR CIRCUIT, PDSO28
封裝： 0.300 INCH, LEAD AND HALOGEN FREE, SO-28
文件頁數： 1/42頁
文件大?。?/td> 723K
代理商： AT83C24-TISUM
1
4234E–SCR–09/04
Features
Smart Card Interface
– Compliance with ISO 7816, EMV2000, GIE-CB, GSM and WHQL Standards
Card Clock Stop High or Low for Card Power-down Modes
Support Synchronous Cards with C4 and C8 Contacts
Card Detection and Automatic de-activation Sequence
Programmable Activation Sequence
– Direct Connection to the Smart Card
Logic Level Shifters
Short Circuit Current Limitation (see electrical characteristics)
8kV+ ESD Protection (MIL/STD 883 Class 3)
– Programmable Voltage
5V ±5% at 65 mA (Class A)
3V ±0.2V at 65 mA (Class B)
1.8V ±0.14V at 40 mA
– Low Ripple Noise: < 200 mV
Versatile Host Interface
– ICAM (Conditional Access) Compatible
– Two Wire Interface (TWI) Link
Programmable Address Allow up to 8 Devices
– Programmable Interrupt Output
– Automatic Level Shifter (1.6V to V
CC
)
Reset Output Includes
– Power-On Reset (POR)
– Power-Fail Detector (PFD)
High-efficiency Step-up Converter: 80 to 98% Efficiency
Extended Voltage Operation: 3V to 5.5V
Low Power Consumption
– 180 mA Maximum In-rush Current
– 30
μ
A Typical Power-down Current (without Smart Card)
4 to 48 MHz Clock Input, 7 MHz Min for Step-up Converter (for AT83C24)
18 to 48MHz Clock input (for AT83C24NDS)
Industrial Temperature Range: -40 to +85
°
C
Packages: SO28 and QFN28
Description
The AT83C24 is a smart card reader interface IC for smart card reader/writer applica-
tions such as EFT/POS terminals and set top boxes. It enables the management of
any type of smart card from any kind of host. Up to 8 AT83C24 can be connected in
parallel using the programmable TWI address.
Its high efficiency DC/DC converter, low quiescent current in standby mode makes it
particularly suited to low power and portable applications. The reduced bill of material
allows reducing significantly the system cost. A sophisticated protection system guar-
antees timely and controlled shutdown upon error conditions.
The AT83C24NDS is a dedicated version approved by NDS for use with NDS Video-
Guard conditional access software in set-top boxes. All AT83C24 datasheet is
applicable to AT83C24NDS. The main differences between AT83C24 and
AT83C24NDS are listed below:
1/
CLASS A card supplied with CVCC = 4.75 to 5.25V for AT83C24NDS,
CLASS A card supplied with CVCC = 4.6 to 5.25V for AT83C24
2/
18MHz minimum on input clock for AT83C24NDS
3/
Up to 10μF for capacitor connected on CVCC pin for AT83C24,
3.3μF mandatory for AT83C24NDS
Smart Card
Reader
Interface with
Power
Management
AT83C24
AT83C24NDS
相關PDF資料
PDF描述
AT83C24 Smart Card Reader Interface with Power Management
AT83C24-TIRIM Smart Card Reader Interface with Power Management
AT83C24-TISIL Smart Card Reader Interface with Power Management
AT83C24NDS-TISIL Smart Card Reader Interface with Power Management
AT83C24-TISIM Smart Card Reader Interface with Power Management
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參數描述
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