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ST72F321BR7T3

Description
IC,MICROCONTROLLER,8-BIT,ST72 CPU,QFP,64PIN,PLASTIC
CategoryThe embedded processor and controller    Microcontrollers and processors   
File Size3MB,187 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
Environmental Compliance  
Download Datasheet Parametric View All

ST72F321BR7T3 Overview

IC,MICROCONTROLLER,8-BIT,ST72 CPU,QFP,64PIN,PLASTIC

ST72F321BR7T3 Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
Objectid1124626524
Parts packaging codeQFP
Contacts64
Reach Compliance Codecompliant
Has ADCYES
Address bus width
bit size8
CPU seriesST72
maximum clock frequency8 MHz
DMA channelNO
External data bus width
JESD-30 codeS-PQFP-G64
JESD-609 codee3
length14 mm
Humidity sensitivity level1
Number of I/O lines48
Number of terminals64
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
PWM channelYES
Package body materialPLASTIC/EPOXY
encapsulated codeLQFP
Encapsulate equivalent codeQFP64,.63SQ,32
Package shapeSQUARE
Package formFLATPACK, LOW PROFILE
Peak Reflow Temperature (Celsius)225
power supply3.8/5.5 V
Certification statusNot Qualified
RAM (bytes)1536
rom(word)49152
ROM programmabilityFLASH
speed8 MHz
Maximum slew rate15 mA
Maximum supply voltage5.5 V
Minimum supply voltage4.5 V
Nominal supply voltage5 V
surface mountYES
technologyCMOS
Temperature levelAUTOMOTIVE
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.8 mm
Terminal locationQUAD
Maximum time at peak reflow temperatureNOT SPECIFIED
width14 mm
uPs/uCs/peripheral integrated circuit typeMICROCONTROLLER
ST72321BRx, ST72321BARx
ST72321BJx, ST72321BKx
64/44-pin 8-bit MCU with 32 to 60K Flash/ROM, ADC,
five timers, SPI, SCI, I
2
C interface
Features
Memories
– 32K to 60K dual voltage High Density Flash
(HDFlash) or ROM with read-out protection
capability. In-Application Programming and
In-Circuit Programming for HDFlash devices
– 1K to 2K RAM
– HDFlash endurance: 100 cycles, data reten-
tion: 40 years at 85°C
Clock, Reset And Supply Management
– Enhanced low voltage supervisor (LVD) for
main supply and auxiliary voltage detector
(AVD) with interrupt capability
– Clock sources: crystal/ceramic resonator os-
cillators, internal RC oscillator and bypass for
external clock
– PLL for 2x frequency multiplication
– Four Power Saving Modes: Halt, Active-Halt,
Wait and Slow
Interrupt Management
– Nested interrupt controller
– 14 interrupt vectors plus TRAP and RESET
– Top Level Interrupt (TLI) pin on 64-pin devices
– 15/9 external interrupt lines (on 4 vectors)
Up to 48 I/O Ports
– 48/32/24 multifunctional bidirectional I/O lines
– 34/22/17 alternate function lines
– 16/12/10 high sink outputs
5 Timers
– Main Clock Controller with: Real time base,
Beep and Clock-out capabilities
– Configurable watchdog timer
– Two 16-bit timers with: 2 input captures, 2 out-
put compares, external clock input on one tim-
er, PWM and pulse generator modes
ST72321BAR9/ ST72321BR9/
ST72321BJ9
FLASH/ROM 60K
2048 (256)
LQFP64
14 x 14
LQFP32
7x7
LQFP64
10 x 10
LQFP44
10 x 10
– 8-bit PWM Auto-reload timer with: 2 input cap-
tures, 4 PWM outputs, output compare and
time base interrupt, external clock with event
detector
3 Communications Interfaces
– SPI synchronous serial interface
– SCI asynchronous serial interface
– I
2
C multimaster interface
1 Analog peripheral (low current coupling)
– 10-bit ADC with up to 16 robust input ports
Instruction Set
– 8-bit Data Manipulation
– 63 Basic Instructions
– 17 main Addressing Modes
– 8 x 8 Unsigned Multiply Instruction
Development Tools
– Full hardware/software development package
– In-Circuit Testing capability
ST72321BAR6/ ST72321BR6/
ST72321BJ6/ST72321BK6
FLASH/ROM 32K
Table 1. Device Summary
Features
Program memory -
bytes
RAM (stack) - bytes
Operating Voltage
Temp. Range
Package
ST72321BAR7/ ST72321BR7/
ST72321BJ7
FLASH/ROM 48K
1536 (256)
1024 (256)
3.8V to 5.5V
up to -40°C to +125°C
LQFP64 10x10 (AR),LQFP64 14x14 (R), LQFP44 10x10 (J), LQFP32 7x7 (K)
October 2008
Rev 5
1/187
1

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