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ST72321AR7-Auto Datasheet(PDF) 1 Page - STMicroelectronics

No. de pieza ST72321AR7-Auto
Descripción Electrónicos  PLL for 2x frequency multiplication
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72321AR7-Auto Datasheet(HTML) 1 Page - STMicroelectronics

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August 2010
Doc ID 13829 Rev 1
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ST72321xx-Auto
8-bit MCU for automotive with 32/60 Kbyte Flash/ROM,
ADC, 5 timers, SPI, SCI, I2C interface
Features
Memories
32 to 60 Kbyte dual voltage High Density Flash
(HDFlash) or ROM 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 external interrupt lines (on 4 vectors)
1 analog peripheral
10-bit ADC with up to 16 input ports
Up to 48 I/O ports
48//32 multifunctional bidirectional I/O lines
34//22 alternate function lines
16//12 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
Instruction set
8-bit data manipulation
63 basic instructions
17 main addressing modes
8x8 unsigned multiply instruction
Development tools
Full hardware/software development package,
ICT capability
Table 1.
Device summary
Reference
Part number
ST72321xx-Auto
ST72321AR6-Auto,
ST72321R6-Auto,
ST72321AR7-Auto,
ST72321J7-Auto, ST72321R7-Auto
ST72321AR9-Auto,
ST72321J9-Auto, ST72321R9-Auto
LQFP64
10 x 10
LQFP64
14 x 14
LQFP44
10 x 10
www.st.com


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