ST19WR08
Dual Contactless Smartcard MCU
With RF UART, IART & 8 Kbytes EEPROM
Data Brief
Features
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Enhanced 8-bit CPU with extended addressing
modes
112 KBytes user ROM with partitioning
2 KBytes user RAM with partitioning
8 kbytes user EEPROM with partitioning plus
128 Bytes user OTP and 64 Bytes ST OTP
areas:
– Highly reliable CMOS EEPROM submicron
technology
– Error Correction Code for single bit fail
correction within a byte
– 10 year data retention
– 500,000 Erase/Write cycles endurance
– 1 to 32 Bytes Erase or Program in 1 ms
Security firewalls for memories, and Enhanced
DES accelerator
Very high security features including EEPROM
Flash programming and clock management.
2x8-bit timers with interrupt capability
Hardware Security Enhanced DES accelerator
with library support for symmetrical algorithms:
– DES, triple DES computations and CBC
chaining mode
AES-128 software library
ISO 3309 CRC calculation block
FIPS 140-2 and AIS31 compliant True Random
Number Generator (TRNG)
2.7 V to 5.5 V supply voltage
External clock frequency up to 10 MHz
High performance provided using internal clock
frequency
Unique serial number on each die
Power-saving standby mode
Contact assignment compatible ISO 7816-2
Serial access I/O, ISO 7816-3 compatible
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259a.ai
Micromodule
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Wafer
ISO asynchronous receiver transmitter for high
speed serial data support
ESD protection greater than 5000 V
Function
Speed
(1)
58.0 µs
43.0 µs
Triple DES (with enhanced security)
Single DES (with enhanced security)
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1. Best performance achieved using a 15-MHz clock
frequency.
Contactless specific features
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Based on ISO 14443 type B
13.56 MHz carrier frequency
RF UART (RF Universal Asynchronous
Receiver Transmitter) for easy-to-manage high
speed data transfer up to 848 Kbits/s
RF frame up to 256 Bytes
10% amplitude modulation reception (reader to
card)
BPSK - NRZ load modulation (card to reader)
Interface with RF readers supported through a
library of embedded software functions
compatible with ISO 14443 standard
ESD protection on antenna pads greater than
5000 V
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March 2006
Rev 2
1/5
www.st.com
For further information contact your local STMicroelectronics sales office.
1
Summary description
ST19WR08
1
1.1
Summary description
Hardware overview
The product, member of the ST19W platform, is a serial access microcontroller specially
designed for cost-effective secure portable applications.
It is manufactured using an advanced highly reliable ST CMOS EEPROM technology.
It is based on the STMicroelectronics 8-bit CPU already implemented on the ST19X product
family and includes on-chip memories: User ROM, User RAM and EEPROM with state-of-
the-art security features. ROM, RAM and EEPROM memories can be configured into
partitions with customized access rules.
An additional ST ROM contains all ST provided functions and libraries.
Access from any memory area to another are protected by hardware firewalls. Access rules
are user-defined and can be selected by mask options.
The chip includes an Enhanced DES accelerator which is accessible via cryptographic
software libraries located in ST ROM.
An RF Interface including an RF Universal Asynchronous Receiver Transmitter (RF UART)
enables contactless communication up to 848 Kbits/s compatible with the ISO 14443-B
standard.
As with all the other ST19W products, a serial interface fully compatible with the ISO 7816
standard for Smartcard applications is available.
A CRC calculation block is also available and is directly accessible by the User.
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ST19WR08
Figure 1.
Block Diagram
Summary description
RAM
EEPROM
USER ROM
ST ROM
and RF
LIBRARIES
EDES
ACCELE-
RATOR
MEMORY ACCESS FIREWALL
ST ROM, EDES FIREWALL
INTERNAL BUS
CRC
Module
Clock
Gene-
rator
Module
2x8
Bit
Timer
Secu-
rity
Admin.
Gun A
&
Gun B
8 Bit
CPU
1 Serial
I/O
Inter-
face
IART
RF
Inter-
face
RF
UART
CLK
RESET
Vcc
GND
I/O
AC0
AC1
552
1.2
Software development
Software development and firmware generation (ROM and options) are supported by a
comprehensive set of development tools, dedicated at development and validation of
software:
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Smartcard ICs Emulator
ST19X simulation package
ScDevTools environment for Windows
TM
NT, 2000, and XP based stations
Powerful C/C++ compiler and debugger are also available (third-party tools)
RF contactless demokit based on ISO 14443 type B standards
3/5
Revision history
ST19WR08
2
Revision history
Table 1.
Date
28-Apr-2005
16-Mar-2006
Document revision history
Revision
1
2
Initial release.
Document converted into new ST Corporate Template.
AIS31 function added.
Changes
4/5
ST19WR08
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