ST ST23ZC08 User Manual

Secure microcontroller with enhanced security

Micromodule

Wafer

with 8 Kbytes EEPROM and contactless-only interface

Features

Hardware features

■ Enhanced 8/16-bit ST23 CPU core with

16 Mbytes of linear addressable memory

■ 92 Kbytes of User ROM

■ 4 Kbytes of User RAM

■ 0.5 Kbytes dedicated RFUART RAM

■ 8 Kbytes of User EEPROM including 128 bytes

of User OTP area: – Highly reliable CMOS EEPROM submicron

technology – 30-year data retention at 25°C – 500,000 Erase/Write cycles endurance at

25° C – 1 to 32 byte Erase or Program in 1.5 ms

■ Operating temperature: –25° to +85°C (see

restricted test conditions)

■ Three 8-bit timers with watchdog and interrupt

capability

■ High performance provided by:

– CPU clock frequency up to 28 MHz

■ Power-saving Standby state

■ ESD protection greater than 5 kV (HBM)

Contactless features

■ Complies with ISO/IEC 14443 Type A, B and

B’, and PayPass™ standards

■ 13.56 MHz carrier frequency

■ RF frame up to 512 bytes

■ RFUART (RF universal asynchronous receiver

transmitter) up to 848 Kbps

ST23ZC08

Data brief

AAI

Security features

■ Active shield

■ Monitoring of environmental parameters

■ Protection mechanisms against faults

■ True random number generator (TRNG)

(AIS-31 Class P2 compliant)

■ 16-bit Cyclic Redundancy Check (CRC)

calculation block (ISO/IEC 13239)

■ Unique serial number on each die

■ AES accelerator

■ Three-key Triple DES accelerator (EDES+)

Development environment

Interface with RF readers supported through a library of embedded software functions compatible with ISO/IEC 14443 standard.

Software development and firmware generation are supported by a comprehensive set of development tools dedicated to software design and validation:

■ C compiler, simulator and emulator

March 2012 Doc ID 019021 Rev 2 1/4

For further information contact your local STMicroelectronics sales office.

www.st.com

Description ST23ZC08

1 Description

ST23ZC08 products are secure microcontrollers specially designed for secure smartcard applications.

They are based on an enhanced STMicroelectronics 8/16-bit CPU core offering 16 Mbytes of linear addressing space. ST23ZC08 devices are manufactured using an advanced highly reliable ST CMOS EEPROM technology.

An RF Interface including an RF universal asynchronous receiver transmitter (RF UART) enables contactless communication up to 848 Kbps compatible with the ISO/IEC 14443-A and ISO/IEC 14443-B standard.

Figure 1. ST23ZC08 block diagram

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