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AT89C5122 Datasheet(PDF) 1 Page - ATMEL Corporation |
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AT89C5122 Datasheet(HTML) 1 Page - ATMEL Corporation |
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1 / 213 page  Rev. 4202D–SCR–06/05 1 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 : 3.6V - 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 •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 : •1.8V-30 mA, 3V-60 mA and 5V-60 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 C51 Microcontroller with USB and Smart Card Reader Interfaces AT83C5122 AT83EC5122 AT85C5122 AT89C5122 AT89C5122DS AT83C5123 AT83EC5123 |
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