ST23YL80 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST23YL80

Smartcard MCU with enhanced security, crypto-processor and 80 Kbytes EEPROM

STMicroelectronics 

Description

1

Description

ST23YL80

The ST23YL80 product is a serial access microcontroller specially designed for secure

smartcard applications.

It is based on an enhanced STMicroelectronics 8/16-bit CPU core offering 16 Mbytes linear

addressing space. It is manufactured using an advanced highly reliable ST CMOS EEPROM

technology.

Moreover, an ISO 7816-3 EMV-compliant Asynchronous Receiver Transmitter (IART)

communication peripheral is available.

Figure 1. ST23YL80 block diagram

RAM

EEPROM

User

ROM

ST ROM

(Boot software)

EDES

Accelerator

NESCRYPT

ST ROM Firewall

NESCRYPT RAM

Internal Bus

CRC

Module

Clock

Gene-

rator

Module

CLK

3x

8-bit

timers

Security

Monitor-

ing and

Control

True

Random

Number

Gene-

rator

RESET Vcc GND

MPU

8/16-bit

CPU

Core

IART

2 I/Os

Ai12565

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 STMicroelectronics Visual Debug

(STVD), provides a set of tools for developing embedded applications. This interface

manages the project configuration, code edition, code generation and program debugging.

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