EEWORLDEEWORLDEEWORLD

Part Number

Search

ST72321R7T3/XXX

Description
8-BIT, MROM, 8MHz, MICROCONTROLLER, PQFP64, 14 X 14 MM, ROHS COMPLIANT, PLASTIC, LQFP-64
CategoryThe embedded processor and controller    Microcontrollers and processors   
File Size3MB,193 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
Environmental Compliance  
Download Datasheet Parametric View All

ST72321R7T3/XXX Overview

8-BIT, MROM, 8MHz, MICROCONTROLLER, PQFP64, 14 X 14 MM, ROHS COMPLIANT, PLASTIC, LQFP-64

ST72321R7T3/XXX Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerSTMicroelectronics
Parts packaging codeQFP
package instructionLQFP, QFP64,.6SQ,32
Contacts64
Reach Compliance Codecompliant
Has ADCYES
Address bus width
bit size8
CPU seriesST72
maximum clock frequency16 MHz
DAC channelNO
DMA channelNO
External data bus width
JESD-30 codeS-PQFP-G64
length14 mm
Number of I/O lines48
Number of terminals64
On-chip program ROM width8
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
PWM channelYES
Package body materialPLASTIC/EPOXY
encapsulated codeLQFP
Encapsulate equivalent codeQFP64,.6SQ,32
Package shapeSQUARE
Package formFLATPACK, LOW PROFILE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
power supply3.3/5 V
Certification statusNot Qualified
RAM (bytes)1536
rom(word)49152
ROM programmabilityMROM
Maximum seat height1.6 mm
speed8 MHz
Maximum slew rate8 mA
Maximum supply voltage5.5 V
Minimum supply voltage3.8 V
Nominal supply voltage4 V
surface mountYES
technologyCMOS
Temperature levelAUTOMOTIVE
Terminal formGULL WING
Terminal pitch0.8 mm
Terminal locationQUAD
Maximum time at peak reflow temperatureNOT SPECIFIED
width14 mm
uPs/uCs/peripheral integrated circuit typeMICROCONTROLLER
ST72321Rx
ST72321ARx ST72321Jx
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 auxiliar 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
ST72321R9/ST72321AR9/
ST72321J9
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
– 10-bit ADC with up to 16 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
Table 1. Device summary
Features
Program memory - bytes
RAM (stack) - bytes
Operating Voltage
Temp. Range
Package
ST72321R7/ST72321AR7/
ST72321J7
ST72321R6/ST72321AR6
Flash/ROM 48K
Flash/ROM 32K
1536 (256)
1024 (256)
3.8 to 5.5V
-40 to +125°C, -40 to +85°C
LQFP64 14x14 (R), LQFP64 10x10 (AR), LQFP44 10x10 (J)
March 2009
Rev 2
1/193
1

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 545  426  2874  1297  1630  11  9  58  27  33 
Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号