General Features

– 131 Powerful Instructions - Most Single Clock Cycle Execution

– 32 x 8 General Purpose Working Registers

– Up to 16MIPS Throughput at 16Mhz

– On-chip 2-cycle Multiplier

– 64K Bytes of In-System Self-Programmable Flash

• Endurance: 10,000 Write/Erase Cycles

– 4K Bytes EEPROM

• Contains 128 Bytes of One Time Programmable Memory

• Endurance: 100,000 Write/Erase Cycles

– 4K Bytes Internal SRAM

– Optional Boot Code Section

• In-System Programming by On-chip Bootloader program

– Boundary-scan Capabilities According to the JTAG Standard

– Extensive On-chip Debug Support

– Programming of Flash, EEPROM, Fuses, and Locks Bits through JTAG Interface

– Locking JTAG for Software Security (using OTP programmation)

– Programmable ISO clock from 1 Mhz to 4.8, 6, 8 or 12Mhz

– Card insertion/removal detection with automatic deactivation sequence

– Programmable Baud Rate Generator from 372 to 3 clock cycles

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

Convention

– Automatic character repetition on parity errors

– 32 Bit Waiting Time Counter

– 16 Bit Guard Time Counter/Block Guard Time Counter

– Internal Step Up/Down Converter with Programmable Voltage Output if DC/DC

embedded:

• Class A: 5V +/-8% at 60mA, Vcc>2.85 (50mA if Vcc >2.7)

• Class B: 3V +/-8% at 60mA, Vcc>2.85 (50mA if Vcc >2.7)

• Class C: 1.8V +/-8% at 35mA

– ISO7816-12 USB Host controller for card interface

• Supports up to 60mA USB Smart Cards

• Supports limited cable length to Smart Card Connector (~50cm)

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

– Complies fully with:

• Universal Serial Bus Specification Rev 2.0

– Supports data transfer rates up to 12 Mbit/s

– Endpoint 0 for Control Transfers : up to 64-bytes

– 8 Programmable Endpoints with IN or OUT Directions and with Bulk, Interrupt or

Isochronous Transfers

• 3 Programmable Endpoints with double buffering of 64x2 bytes

– Suspend/Resume Interrupts, and Remote Wake-up Support

– Power-on Reset and USB Bus Reset

8-bit

Microcontroller

for Smart Card

Readers

AT90SCR100

Summary

Preliminary

6568AX–SMS–23Oct08