PSD4256G6中文资料

PSD4000 Family

In-System Programmable Flash System Solution

for 16-bit MCUs and DSPs

STM i c r o e l e c t r o n i c s

M o r e I n t e l l i g e n t S o l u t i o n s

?System Level Integration

- Dual-Bank Flash architecture for IAP - 4 Mbit of Flash memory

- Secondary Flash for boot, data or concurrent programming

- Over 3,000 gates of Flash programmable logic - Up to 256 Kbit SRAM

- Individually re-configurable I/O ports - Configurable MCU interface - Power management and security ?In-System Programming (ISP) via JTAG

- Fast First-Time Programming (10 to 30 seconds depending on the amount of memory used) on the board

- Eliminates inventory build-up of pre-programmed parts - No more expensive sockets

?In-Application Programming (IAP)

- Updates your firmware remotely in the field with the application running

- Concurrent Flash arrays support simultaneous read and write to Flash

- Complex memory mapping performed automatically

- Solves program and data space separation issues ?PSDsoft Express

- Point and Click software

development/programming tool

- Step-by-step design process makes it possible to complete an embedded MCU design capable of ISP/IAP in just a few hours - One-click programming

- Available FREE from either our website or CD ROM data book

https://www.wendangku.net/doc/1315419316.html,/psd

PSD4135G2 Block Diagram

PSD4000 Family Product Matrix

PSD4000 Family

*** Also available with complex PLD – PSD4235G2

Device I/O PLD Input Output PLD Flash Serial Flash Main Boot SRAM Supply Pins Inputs Macrocells Macrocells Outputs ISP JTAG Memory Memory Kbit Voltage

ISP Port Kbit Kbit

(8 sectors)(4 sectors)

PSD4135G2526624YES4096256645V PSD4135G2V526624YES4096256643V PSD4235G2528224 16 24YES4096256645V PSD4235G2V5282241624YES4096256643V PSD4156G6526624YES81925122565V PSD4156G6V526624YES81925122563V PSD4256G6528224 1624YES81925122565V PSD4256G6V5282241624YES81925122563V The PSD4000 Family of Programmable System Devices (PSD) provides a complete solution for bringing In-System Programming (ISP) to your 16-bit embedded design.

Dual-Bank Flash architecture supports In-Application Programming (IAP) via virtually any communications medium, including Internet.

The combination of system level integration and point and click software can bring superior ISP & IAP capabilities to your design in just a few hours.

PSD4000 Key Features

Memory

?4 Mbit Main Flash program store

- Access Time: 70 and 90ns versions

- Supply Voltage: 5V or 3V

?Secondary or Concurrent 256 Kbit (4x35G2)

or 512 Kbit (4x56G6) Flash boot

?64 Kbit or 256 Kbit SRAM

- Battery-backed

Programmable Logic

?Decode PLD (DPLD)

- Decodes logic for internal address selection

- Allows flexible mapping of memory & chip

selects anywhere in the address space ?General Purpose PLD

- PSD41xxG devices have a simple

combinatorial PLD with up to 24 outputs

- PSD42xxG devices have a complex PLD

with up to 82 inputs, 16 output

and 24 input macrocells, and 24 outputs

I/O Ports

?52 individually configurable as

- MCU I/O

- PLD I/O

- latched address outputs

- special function I/O

- or open-drain outputs

JTAG In-System Programming Port ?Standard 4-pin or Enhanced 6-pin IEEE 1149.1 JTAG compliant interface

Page Register

?8-bit page register expands address range

by a factor of 256

Power Management Unit (PMU)?Senses MCU activity to trigger Automatic Power Down Mode

?Standby current as low as 100μA for 5V devices, 50μA for 3V devices Microcontroller Bus Interface ?Configurable for most 16-bit multiplexed or non-multiplexed MCUs that feature an expanded address bus

- Intel 80186, 80196, 80296 and 386EX

- Motorola 68HC12, 812, 912, 16,

683XX & M-Core

- Philips C51XA

- Infineon C16X devices

- Hitachi H8 series

- STMicroelectronics ST10

- Zilog Z280/380, Z89371

- Toshiba TMP900, TMPR3904AF

- Microchip PIC17C4xx

- TI TMS320 Series

…. And many more

Erase/Write cycles

?Flash Memory – 100,000 minimum ?PLD – 1,000 minimum

Available Packages

?80 pin (12mm x 12mm) TQFP package

T emperature Range ?Commercial: 0°C to 70°C ?Industrial: -40°C to 85°C ?Automotive: -40°C to 125°C

The ST logo is a registered trademark of STMicroelectronics

Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No licence is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice.This publication supersedes and replaces all information previously supplied.STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.

? 2001 STMicroelectronics - Printed in Italy - All Rights Reserved

STMicroelectronics GROUP OF COMPANIES

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United Kingdom - U.S.A.

Full product information at https://www.wendangku.net/doc/1315419316.html,

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