ST72F521AR9TC STMicroelectronics, ST72F521AR9TC Datasheet - Page 61
![IC MCU 8BIT 60K FLASH 64-TQFP](/photos/6/76/67655/497-64-tqfp_sml.jpg)
ST72F521AR9TC
Manufacturer Part Number
ST72F521AR9TC
Description
IC MCU 8BIT 60K FLASH 64-TQFP
Manufacturer
STMicroelectronics
Series
ST7r
Datasheet
1.ST72F521M9T6.pdf
(215 pages)
Specifications of ST72F521AR9TC
Core Processor
ST7
Core Size
8-Bit
Speed
8MHz
Connectivity
CAN, I²C, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
48
Program Memory Size
60KB (60K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
3.8 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
64-TQFP, 64-VQFP
For Use With
497-6453 - BOARD EVAL BASED ON ST7LNBX
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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ST72F521AR9TC
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Quantity:
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10.3 PWM AUTO-RELOAD TIMER (ART)
10.3.1 Introduction
The Pulse Width Modulated Auto-Reload Timer
on-chip peripheral consists of an 8-bit auto reload
counter with compare/capture capabilities and of a
7-bit prescaler clock source.
These resources allow five possible operating
modes:
– Generation of up to 4 independent PWM signals
– Output compare and Time base interrupt
Figure 36. PWM Auto-Reload Timer Block Diagram
ARTICx
ARTCLK
PWMx
PWMCR
f
f
EXT
CPU
ALTERNATE
FUNCTION
PORT
MUX
ICSx
OEx
f
INPUT
EXCL
INPUT CAPTURE
CONTROL
ICIEx
CC2
REGISTER
PROGRAMMABLE
PRESCALER
ARR
f
COUNTER
POLARITY
CONTROL
CC1
ICFx
OPx
CC0
LOAD
– Up to two input capture functions
– External event detector
– Up to two external interrupt sources
The three first modes can be used together with a
single counter frequency.
The timer can be used to wake up the MCU from
WAIT and HALT modes.
ICCSR
TCE
(CAR REGISTER)
FCRL
8-BIT COUNTER
COMPARE
REGISTER
REGISTER
OCRx
ICRx
ICx INTERRUPT
OIE
OVF
LOAD
ST72F521, ST72521B
LOAD
ARTCSR
REGISTER
OVF INTERRUPT
DCRx
61/215
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