at83c5122 ATMEL Corporation, at83c5122 Datasheet - Page 209

• Manufacturer Part Number: at83c5122
• Description: At83c5123 C51 Microcontroller With Usb And Smart Card Reader Interfaces
• Manufacturer: ATMEL Corporation

Datasheet Revision History
Changes from 4202A to 4202B
Changes from 4202B to 4202C
Changes from 4202C to 4202D
Changes from 4202D to 4202E
4202E–SCR–06/06
1. Product AT8xEC5122 added.
2. Products AT83C5123 and AT83EC5123 added.
1. All sections updated.
2. QFN64 and QFN32 packages added.
3. SCIB section : VCC must be higher than 4.0V when DC/DC is operated at 5V.
1. Product AT89C5122DS added (EA pin changed to VCC)
2. Typical applications section: external pull-up shown on CIO pin
3. Ports section : Detailed explanations on CIO, CC4, CC8 quasi-bidirectional ports
4. Ordering information section: AT89C5122DS part-numbers added
1. Changed input voltage frequency from 3.6V to 3.0V throughout the document.
2. Update of DC parameters of smart card interface to be EMV 4.1 compliant.
AT8xC5122/23
209