ST72321R9 STMicroelectronics, ST72321R9 Datasheet - Page 162
ST72321R9
Manufacturer Part Number
ST72321R9
Description
8-BIT MCU WITH NESTED INTERRUPTS, FLASH,10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE
Manufacturer
STMicroelectronics
Datasheet
1.ST72321J7.pdf
(193 pages)
Specifications of ST72321R9
Hdflash Endurance
100 cycles, data retention
Clock Sources
crystal/ceramic resonator oscillators, internal RC oscillator, clock security system and bypass for external clock
Four Power Saving Modes
Halt, Active-Halt,Wait and Slow
Main Clock Controller With
Real time base, Beep and Clock-out capabilities
Two 16-bit Timers With
2 input captures, 2 output compares, external clock input on one 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
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ST72321Rx ST72321ARx ST72321Jx
12.10 TIMER PERIPHERAL CHARACTERISTICS
Subject to general operating conditions for V
Refer to I/O port characteristics for more details on the input/output alternate function characteristics (out-
put compare, input capture, external clock, PWM output...).
12.10.1 8-Bit PWM-ART Auto-Reload Timer
12.10.2 16-Bit Timer
162/193
t
t
t
Res
Res
Symbol
Symbol
res(PWM)
w(ICAP)in
res(PWM)
f
f
f
V
f
PWM
PWM
EXT
EXT
OS
PWM
PWM
PWM resolution time
ART external clock frequency
PWM repetition rate
PWM resolution
PWM/DAC output step voltage
Input capture pulse time
PWM resolution time
Timer external clock frequency
PWM repetition rate
PWM resolution
Parameter
Parameter
f
V
f
CPU
CPU
DD
DD
=5V, Res=8-bits
, f
=8MHz
=8MHz
OSC
Conditions
Conditions
, and T
A
unless otherwise specified.
Min
Min
125
250
1
0
0
1
2
0
0
Typ
Typ
20
f
f
f
f
CPU
CPU
CPU
CPU
Max
Max
16
8
/2
/2
/4
/4
t
MHz
t
t
MHz
MHz
Unit
Unit
mV
CPU
CPU
CPU
ns
bit
ns
bit
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