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
AAI
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
1
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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-36
2/4 Doc ID 019021 Rev 2
ST23ZC08 Revision history
1.1 Development environment
Development tools for smartcard products include a complete range of hardware systems
and software tools from STMicroelectronics and third-party tool suppliers. The range of tools
includes solutions to help you to develop and debug your application and evaluate
smartcard products and their peripherals.
An Integrated Development Environment (IDE), the ST Visual Develop (STVD), provides a
set of tools for developing embedded applications. This interface manages the project
configuration, code edition, code generation and program debugging.
All the information needed to generate the application code and personalization will be
collected in a delivery file (.DLV extension). This file is created using the Delivery menu of
the STMicroelectronics configuration software tool, SCOOL.
2 Revision history
Table 1. Document revision history
Date Revision Changes
06-Jul-2011 1 Initial release.
22-Mar-2012 2 Updated the EEPROM User OTP area in Hardware features.
Doc ID 019021 Rev 2 3/4
ST23ZC08
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4/4 Doc ID 019021 Rev 2
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