PSD835G2V_07 datasheet(1/118 Pages) STMICROELECTRONICS

Part #	PSD835G2V

Description	Flash PSD, 3 V supply, for 8-bit MCUs 4 Mbit 256 Kbit dual Flash memories and 64 Kbit SRAM

PDF	118 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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1 / 118 page

April 2007

Rev 2

1/118

1

PSD835G2V

Flash PSD, 3 V supply, for 8-bit MCUs

4 Mbit + 256 Kbit dual Flash memories and 64 Kbit SRAM

Features

■

Flash in-system programmable (ISP)

peripheral for 8-bit MCUs

■

Dual bank Flash memories

– 4 Mbits of Primary Flash memory (8

uniform sectors, 64 Kbyte)

– 256 Kbits of secondary Flash memory with

4 sectors

– Concurrent operation: READ from one

memory while erasing and writing the other

■

64 Kbit of battery-backed SRAM

■

52 reconfigurable I/O ports

■

Enhanced JTAG serial port

■

PLD with macrocells

– Over 3000 gates of PLD: CPLD and DPLD

– CPLD with 16 output macrocells (OMCs)

and 24 input macrocells (IMCs)

– DPLD - user defined internal chip select

decoding

■

52 individually configurable I/O port pins

They can be used for the following functions:

– MCU I/Os

– PLD I/Os

– Latched MCU address output

– Special function I/Os.

– I/O ports may be configured as open-drain

outputs.

■

In-system programming (ISP) with JTAG

– Built-in JTAG compliant serial port allows

full-chip In-System Programmability

– Efficient manufacturing allow easy product

testing and programming

– Use low cost FlashLINK cable with PC

■

Page register

– Internal page register that can be used to

expand the microcontroller address space

by a factor of 256

■

Programmable power management

■

High endurance:

– 100 000 Erase/WRITE cycles of Flash

memory

– 1,000 Erase/WRITE cycles of PLD

– 15 year data retention

■

3 V to 3.6 V single supply voltage

■

Standby current as low as 25 µA

■

Memory speed

– 90 ns Flash memory and SRAM access

time for VCC = 3.0 V to 3.6 V

– 120 ns Flash memory and SRAM access

time for VCC = 3.0 V to 3.6 V

■

ECOPACK® packages

TQFP80 (U)

www.st.com

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PSD835G2V Datasheet(PDF) 1 Page - STMicroelectronics

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