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ST72F321BR7TCE

Description
8-BIT, FLASH, 8MHz, MICROCONTROLLER, PQFP64, 14 X 14 MM, ROHS COMPLIANT, LQFP-64
CategoryThe embedded processor and controller    Microcontrollers and processors   
File Size2MB,247 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
Download Datasheet Parametric View All

ST72F321BR7TCE Overview

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

ST72F321BR7TCE Parametric

Parameter NameAttribute value
MakerSTMicroelectronics
Parts packaging codeQFP
package instructionLQFP,
Contacts64
Reach Compliance Codeunknown
Has ADCYES
Address bus width
bit size8
maximum clock frequency16 MHz
DAC channelYES
DMA channelNO
External data bus width
JESD-30 codeS-PQFP-G64
JESD-609 codee3
length14 mm
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
Package shapeSQUARE
Package formFLATPACK, LOW PROFILE
Certification statusNot Qualified
ROM programmabilityFLASH
Maximum seat height1.6 mm
speed8 MHz
Maximum supply voltage5.5 V
Minimum supply voltage4.5 V
Nominal supply voltage5 V
surface mountYES
technologyCMOS
Temperature levelAUTOMOTIVE
Terminal surfaceTIN
Terminal formGULL WING
Terminal pitch0.8 mm
Terminal locationQUAD
width14 mm
uPs/uCs/peripheral integrated circuit typeMICROCONTROLLER
ST72321Bxxx-Auto
8-bit MCU for automotive with 32 to 60 Kbyte Flash/ROM,
ADC, 5 timers, SPI, SCI, I2C interface
Features
Memories
32 to 60 Kbyte dual voltage High Density Flash
(HDFlash) ROM with readout protection
capability. In-application programming and in-
circuit programming for HDFlash devices
1 to 2 Kbyte RAM
HDFlash endurance: 100 cycles, data retention
20 years
LQFP64
10 x 10
LQFP64
14 x 14
LQFP44
10 x 10
Up to 48 I/O ports
Clock, reset and supply management
48/32/24 multifunctional bidirectional I/O lines
34/22/17 alternate function lines
16/12/10 high sink outputs
Enhanced low voltage supervisor (LVD) for
main supply and auxiliary voltage detector
(AVD) with interrupt capability
Clock sources: crystal/ceramic resonator
oscillators, internal RC oscillator and bypass
for external clock
PLL for 2x frequency multiplication
4 power saving modes: Halt, Active Halt, Wait
and Slow
5 timers
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)
1 analog peripheral (low current coupling)
10-bit ADC with up to 16 input ports
Table 1.
O
ST72321BR9-Auto
ST72321BAR9-Auto
ST72321BJ9-Auto
ST72321BR7-Auto
ST72321BAR7-Auto
ST72321BJ7-Auto
ST72321BR6-Auto
ST72321BAR6-Auto
ST72321BJ6-Auto
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Device
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Main clock controller with Real-time base,
Beep and Clock-out capabilities
Configurable watchdog timer
Two 16-bit timers with 2 input captures, 2
output compares, external clock input on 1
timer, PWM and pulse generator modes
8-bit PWM auto-reload timer with 2 input
captures, 4 PWM outputs, output compare and
time base interrupt, external clock with event
detector
et
l
o
P
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od
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uc
3 communications interfaces
SPI synchronous serial interface
SCI asynchronous serial interface
2
I C multimaster interface
Development tools
Full HW/SW development pkg, ICT capability
Device summary
Prog. memory
Flash/ROM
60 Kbytes
Flash/ROM
48 Kbytes
Flash/ROM
32 Kbytes
RAM (stack)
2048 (256)
bytes
1536 (256)
bytes
1024 (256)
bytes
3.8 to 5.5V
Up to
-40 to 125°C
Oper. voltage Temp. range
Package
LQFP64
LQFP44
LQFP64
LQFP44
LQFP64
LQFP44
14x14
10x10
10x10
14x14
10x10
10x10
14x14
10x10
10x10
October 2007
Rev 1
1/247
www.st.com
1

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