EEWORLDEEWORLDEEWORLD

Part Number

Search

ST72321J7T6/XXX

Description
8-BIT, MROM, 8MHz, MICROCONTROLLER, PQFP44, 10 X 10 MM, ROHS COMPLIANT, PLASTIC, LQFP-44
CategoryThe embedded processor and controller    Microcontrollers and processors   
File Size3MB,193 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
Environmental Compliance  
Download Datasheet Parametric View All

ST72321J7T6/XXX Overview

8-BIT, MROM, 8MHz, MICROCONTROLLER, PQFP44, 10 X 10 MM, ROHS COMPLIANT, PLASTIC, LQFP-44

ST72321J7T6/XXX Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerSTMicroelectronics
Parts packaging codeQFP
package instructionLQFP, QFP44,.47SQ,32
Contacts44
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-G44
JESD-609 codee4
length10 mm
Number of I/O lines32
Number of terminals44
On-chip program ROM width8
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
PWM channelYES
Package body materialPLASTIC/EPOXY
encapsulated codeLQFP
Encapsulate equivalent codeQFP44,.47SQ,32
Package shapeSQUARE
Package formFLATPACK, LOW PROFILE
Peak Reflow Temperature (Celsius)260
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 levelINDUSTRIAL
Terminal surfaceNickel/Palladium/Gold (Ni/Pd/Au)
Terminal formGULL WING
Terminal pitch0.8 mm
Terminal locationQUAD
Maximum time at peak reflow temperatureNOT SPECIFIED
width10 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
51 microcontroller program, please tell me how to operate it 4 times? Thank you
void zhengti(void) { for (b=0;b 0 && PCA0L >= TIMEOUT) //The high level duration exceeds 120us { EA = 0; UART_initial();//Move this sentence to the top (I don’t know if it’s correct) serial_send(); //...
keye200 Embedded System
tms320f28335 English PDF, 28DSP Hardware Design Guide, DSP2833x_examples
tms320f28335 English PDF, 28DSP Hardware Design Guide, DSP2833x_examples...
crane1018 Microcontroller MCU
The fifth (2001) national undergraduate electronic design competition topic
[i=s]This post was last edited by paulhyde on 2014-9-15 09:49 [/i] [b]I. Task [/b] Design and produce a waveform generator that can generate sine waves, square waves, triangle waves, and waveforms of ...
songbo Electronics Design Contest
Selection of power inductor
Inductors have always been a bit mysterious: they can generate magnetic fields and connect magnetic fields with electric fields; the current I of an inductor cannot change suddenly, but the current ch...
qwqwqw2088 Energy Infrastructure?
Frequency band characteristics and main application areas of RFID system
For an RFID system, its frequency band concept refers to the frequency range of the tag signal that the reader sends, receives and reads through the antenna. From the application concept, the working ...
JasonYoo RF/Wirelessly

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 53  1579  241  374  1289  2  32  5  8  26 
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