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ST72311R Datasheet(HTML) 73 Page - STMicroelectronics

Part No. ST72311R
Description  8-BIT MCU WITH NESTED INTERRUPTS, EEPROM, ADC, 16-BIT TIMERS, 8-BIT PWM ART, SPI, SCI, CAN INTERFACES
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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ST72311R Datasheet(HTML) 73 Page - STMicroelectronics

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16-BIT TIMER (Cont’d)
10.4.4 Low Power Modes
10.4.5 Interrupts
Note: The 16-bit Timer interrupt events are connected to the same interrupt vector (see Interrupts chap-
ter). These events generate an interrupt if the corresponding Enable Control Bit is set and the interrupt
mask in the CC register is reset (RIM instruction).
10.4.6 Summary of Timer modes
1) See note 4 in Section 10.4.3.5 ”One Pulse Mode” on page 69
2) See note 5 in Section 10.4.3.5 ”One Pulse Mode” on page 69
3) See note 4 in Section 10.4.3.6 ”Pulse Width Modulation Mode” on page 71
Mode
Description
WAIT
No effect on 16-bit Timer.
Timer interrupts cause the device to exit from WAIT mode.
HALT
16-bit Timer registers are frozen.
In HALT mode, the counter stops counting until Halt mode is exited. Counting resumes from the previous
count when the MCU is woken up by an interrupt with “exit from HALT mode” capability or from the counter
reset value when the MCU is woken up by a RESET.
If an input capture event occurs on the ICAP
i pin, the input capture detection circuitry is armed. Consequent-
ly, when the MCU is woken up by an interrupt with “exit from HALT mode” capability, the ICF
i bit is set, and
the counter value present when exiting from HALT mode is captured into the IC
iR register.
Interrupt Event
Event
Flag
Enable
Control
Bit
Exit
from
Wait
Exit
from
Halt
Input Capture 1 event/Counter reset in PWM mode
ICF1
ICIE
Yes
No
Input Capture 2 event
ICF2
Yes
No
Output Compare 1 event (not available in PWM mode)
OCF1
OCIE
Yes
No
Output Compare 2 event (not available in PWM mode)
OCF2
Yes
No
Timer Overflow event
TOF
TOIE
Yes
No
MODES
AVAILABLE RESOURCES
Input Capture 1
Input Capture 2
Output Compare 1 Output Compare 2
Input Capture (1 and/or 2)
Yes
Yes
Yes
Yes
Output Compare (1 and/or 2)
Yes
Yes
Yes
Yes
One Pulse Mode
No
Not Recommended1)
No
Partially 2)
PWM Mode
No
Not Recommended3)
No
No


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