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PSD4235F2-70UI

Description
4M X 1 FLASH, 52 I/O, PIA-GENERAL PURPOSE, PQFP80
Categorysemiconductor    The embedded processor and controller   
File Size747KB,129 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
Download Datasheet Parametric View All

PSD4235F2-70UI Overview

4M X 1 FLASH, 52 I/O, PIA-GENERAL PURPOSE, PQFP80

PSD4235F2-70UI Parametric

Parameter NameAttribute value
Number of functions1
Number of terminals80
Maximum operating temperature85 Cel
Minimum operating temperature-40 Cel
Maximum supply/operating voltage3.6 V
Minimum supply/operating voltage3 V
Rated supply voltage3.3 V
Number of input and output buses52
Processing package descriptionPlastic, TQFP-80
stateDISCONTINUED
packaging shapeSQUARE
Package SizeFLATPACK, THIN PROFILE, FINE PITCH
surface mountYes
Terminal formGULL WING
Terminal spacing0.5000 mm
Terminal locationFour
Packaging MaterialsPlastic/Epoxy
Temperature levelINDUSTRIAL
Microprocessor typeUniversal PIA
Number of ports7
PSD4235G2
Flash in-system programmable (ISP)
for 16-bit MCUs (5 V supply)
Features
Dual bank Flash memories
– 4 Mbit of Primary Flash memory (8 uniform
sectors, 32K x 16)
– 256 Kbit Secondary Flash memory with 4
sectors
– Concurrent operation: read from one
memory while erasing and writing the other
64 Kbit SRAM
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
7 L/O ports with 52 I/O pins
– 52 individually configurable I/O port pins
that can be used for the following functions:
– MCU I/Os
– PLD I/Os
– Latched MCU address output
– Special function l/Os
– l/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 programmingUse low cost
FlashLINK cable with PC
LQFP80 (U)
80-lead, Thin, Quad, Flat
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 c ycles of Flash
memory
– 1,000 Erase/WRITE Cycles of PLD
– 15 Year Data Retention
Single supply voltage
– 5V ±10%
Memory speed
– 70ns Flash memory and SRAM access
time
Packages are ECOPACK
®
February 2009
Rev 4
1/129
www.st.com
1
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