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AT89C5122 数据表 (PDF) - ATMEL Corporation

AT89C5122 Datasheet PDF - ATMEL Corporation
部件名 AT89C5122
下载  AT89C5122 下载

文件大小   2803.27 Kbytes
  213 Pages
制造商  ATMEL [ATMEL Corporation]
网页  http://www.atmel.com
标志 ATMEL - ATMEL Corporation
功能描述 MICROCONTROLLER WITH USB AND SMART CARD READER INTERFACES

AT89C5122 Datasheet (PDF)

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AT89C5122 Datasheet PDF - ATMEL Corporation

部件名 AT89C5122
下载  AT89C5122 Click to download

文件大小   2803.27 Kbytes
  213 Pages
制造商  ATMEL [ATMEL Corporation]
网页  http://www.atmel.com
标志 ATMEL - ATMEL Corporation
功能描述 MICROCONTROLLER WITH USB AND SMART CARD READER INTERFACES

AT89C5122 数据表 (HTML) - ATMEL Corporation

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AT89C5122 产品详情

Product Description

AT8xC5122/23 products are high-performance CMOS derivatives of the 80C51 8-bit microcontrollers designed for USB smart card reader applications.



Features

• Clock Controller

– 80C51 core with 6 clocks per instruction

– 8 MHz On-Chip Oscillator

– PLL for generating clock to supply CPU core, USB and Smart Card Interfaces

– Programmable CPU clock from 500 KHz / X1 to 48 MHz / X1

• Reset Controller

– Power On Reset (POR) feature avoiding an external reset capacitor

– Power Fail Detector (PFD)

–Watch-Dog Timer

• Power Management

– Two power saving modes : Idle and Power Down

– Four Power Down Wake-up Sources : Smart Card Detection, Keyboard Interrupt, USB Resume, External Interrupt

– Input Voltage Range : 3.0V - 5.5V

– Core’s Power Consumption (Without Smart Card and USB) :

•30 mA Maximum Operating Current @ 48 MHz / X1

•200 μA Maximum Power-down Current @ 5.5V

• Interrupt Controller

– up to 9 interrupt sources

– up to 4 Level Priority

• Memory Controller

– Internal Program memory :

•up to 32KB of Flash or CRAM or ROM for AT8xC5122 or ROM for AT83R5122

•up to 30KB of ROM for AT83C5123

– Internal Data Memory : 768 bytes including 256 bytes of data and 512 bytes of XRAM

– Optional : internal data E2PROM 512 bytes

• Two 16-bit Timer/Counters

• USB 2.0 Full Speed Interface

–48 MHz DPLL

– On-Chip 3.3V USB voltage regulator and transceivers

– Software detach feature

– 7 endpoints programmable with In or out directions and ISO, Bulk or Interrupt Transfers :

•Endpoint 0: 32 Bytes Bidirectionnal FIFO for Control transfers

•Endpoints 1,2,3: 8 bytes FIFO

•Endpoints 4,5: 64 Bytes FIFO

•Endpoint 6: 2*64 bytes FIFO with Pin-Pong feature

• ISO 7816 UART Interface Fully Compliant with EMV, GIE-CB and WHQL Standards

– Programmable ISO clock from 1 MHz to 4.8 MHz

– Card insertion/removal detection with automatic deactivation sequence

– Programmable Baud Rate Generator from 372 to 11.625 clock pulses

– Synchronous/Asynchronous Protocols T=0 and T=1 with Direct or Inverse Convention

– Automatic character repetition on parity errors

– 32 Bit Waiting Time Counter

– 16 Bit Guard Time Counter

– Internal Step Up/Down Converter with Programmable Voltage Output:

•VCC = 4.0V to 5.5V, 1.8V-30 mA, 3V-60 mA and 5V-60 mA

•VCC = 3.0V, 1.8V-30 mA, 3V-30 mA and 5V-30 mA

– Current overload protection

– 6 kV ESD (MIL/STD 833 Class 3) protection on whole Smart Card Interface

• Alternate Smart Card Interface with CLK, IO and RST

• UART Interface with Integrated Baud Rate Generator (BRG)

• Keyboard interface with up to 20x8 matrix management capability

• Master/Slave SPI Interface

• Four 8 bit Ports, one 6 bit port, one 3-bit port

– Up to Seven LED outputs with 3 level programmable current source : 2, 4 and 10 mA

– Two General Purpose I/O programmable as external interrupts

– Up to 8 input lines programmable as interrupts

– Up to 30 output lines




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关于 ATMEL Corporation


Atmel Corporation是一家美国半导体公司,成立于1984年。
该公司是微控制器,触摸解决方案和其他半导体产品的领先提供商,用于消费者,工业和汽车市场的各种应用。
ATMEL的产品以其小型外形,低功耗和高性能而闻名。
2016年,ATMEL由微控制器和模拟半导体的领先提供商Microchip Technology Inc.收购。
作为Microchip产品组合的一部分,Atmel品牌和技术继续开发和出售。

*此信息仅供一般参考,对于因上述信息造成的任何损失或损害,我们概不负责。




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