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UPSD3255B-24U1

Description
8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP80
Categorysemiconductor    The embedded processor and controller   
File Size1MB,189 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
Download Datasheet Parametric View All

UPSD3255B-24U1 Overview

8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP80

UPSD3255B-24U1 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
External data bus width8
Number of input and output buses63
Line speed24 MHz
Processing package descriptionROHS COMPLIANT, plastic, TQFP-80
Lead-freeYes
EU RoHS regulationsYes
stateDISCONTINUED
packaging shapeSQUARE
Package SizeFLATPACK, LOW PROFILE, FINE PITCH
surface mountYes
Terminal formGULL WING
Terminal spacing0.5000 mm
terminal coatingMATTE Tin
Terminal locationFour
Packaging MaterialsPlastic/Epoxy
Temperature levelINDUSTRIAL
ADC channelYes
Address bus width12
Number of digits8
Maximum FCLK clock frequency40 MHz
Microprocessor typeMicrocontroller
PWM channelYes
ROM programmingFLASH
UPSD3234A, UPSD3234BV
UPSD3233B, UPSD3233BV
Flash programmable system devices
with 8032 MCU and 64 Kbit SRAM
Features
Fast 8-bit 8032 MCU
– 40 MHz at 5.0 V, 24 MHz at 3.3 V
– Core, 12-clocks per instruction
Dual Flash memories with memory
management
– Place either memory into 8032 program
address space or data address space
– Read-while-write operation for in-
application programming and EEPROM
emulation
– Single voltage program and erase
– 100,000 minimum erase cycles, 15-year
retention
Clock, reset, and supply management
– Normal, idle, and power down modes
– Power-on and low voltage reset supervisor
– Programmable watchdog timer
Programmable logic, general-purpose
– 16 macrocells
– Implements state machines, glue-logic, etc.
Timers and interrupts
– Three 8032 standard 16-bit timers
– 10 Interrupt sources with two external
interrupt pins
LQFP52 (T)
52-lead, thin,
quad flat package
LQFP80 (U)
80-lead, thin, quad
flat package
A/D converter
– Four channels, 8-bit resolution, 10 µs
Communication interfaces
– USB v1.1, low-speed 1.5 Mbps,
3 endpoints
– I
2
C master/slave bus controller
– Two UARTs with independent baud rate
– Six I/O ports with up to 46 I/O pins
– 8032 address/data bus available on
TQFP80 package
– 5 PWM outputs, 8-bit resolution
JTAG in-system programming
– Program the entire device in as little as
10 seconds
Single supply voltage
– 4.5 to 5.5 V
– 3.0 to 3.6 V
ECOPACK® packages
Table 1.
Device summary
Max. clock 1st
2nd
8032
SRAM GPIO USB
V
CC
(V)
(MHz)
Flash Flash
bus
40
24
40
24
40
40
24
128 KB 32 KB
128 KB 32 KB
128 KB 32 KB
128 KB 32 KB
256 KB 32 KB
256 KB 32 KB
256 KB 32 KB
8 KB
8 KB
8 KB
8 KB
8 KB
8 KB
8 KB
37
37
46
46
37
46
46
No
No
No
No
Yes
Yes
No
No
No
Yes
Yes
No
Yes
Yes
Pkg.
Temp.
Order code
UPSD3233B-40T6
UPSD3233BV-24T6
UPSD3233B-40U6
UPSD3233BV-24U6
UPSD3234A-40T6
UPSD3234A-40U6
UPSD3234BV-24U6
4.5-5.5 TQFP52 –40°C to 85°C
3.0-3.6 TQFP52 –40°C to 85°C
4.5-5.5 TQFP80 –40°C to 85°C
3.0-3.6 TQFP80 –40°C to 85°C
4.5-5.5 TQFP52 –40°C to 85°C
4.5-5.5 TQFP80 –40°C to 85°C
3.0-3.6 TQFP80 –40°C to 85°C
January 2009
Rev 5
1/189
www.st.com
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