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ST72F321BAR7TCRE Datasheet(PDF) 1 Page - STMicroelectronics

No. de pieza ST72F321BAR7TCRE
Descripción Electrónicos  8-bit MCU for automotive with 32 to 60 Kbyte Flash/ROM, ADC, 5 timers, SPI, SCI, I2C interface
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72F321BAR7TCRE Datasheet(HTML) 1 Page - STMicroelectronics

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October 2007
Rev 1
1/247
1
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
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
oscillators, internal RC oscillator and bypass
for external clock
PLL for 2x frequency multiplication
4 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)
1 analog peripheral (low current coupling)
10-bit ADC with up to 16 input ports
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
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
3 communications interfaces
SPI synchronous serial interface
SCI asynchronous serial interface
I2C multimaster interface
Development tools
Full HW/SW development pkg, ICT capability
LQFP64
10 x 10
LQFP64
14 x 14
LQFP44
10 x 10
Table 1.
Device summary
Device
Prog. memory
RAM (stack)
Oper. voltage Temp. range
Package
ST72321BR9-Auto
Flash/ROM
60 Kbytes
2048 (256)
bytes
3.8 to 5.5V
Up to
-40 to 125°C
LQFP64
14x14
ST72321BAR9-Auto
10x10
ST72321BJ9-Auto
LQFP44
10x10
ST72321BR7-Auto
Flash/ROM
48 Kbytes
1536 (256)
bytes
LQFP64
14x14
ST72321BAR7-Auto
10x10
ST72321BJ7-Auto
LQFP44
10x10
ST72321BR6-Auto
Flash/ROM
32 Kbytes
1024 (256)
bytes
LQFP64
14x14
ST72321BAR6-Auto
10x10
ST72321BJ6-Auto
LQFP44
10x10
www.st.com


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