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ST72344K2 Datasheet(PDF) 99 Page - STMicroelectronics

Part # ST72344K2
Description  SCI asynchronous serial interface
PDF  247 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72344K2 Datasheet(HTML) 99 Page - STMicroelectronics

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ST72344xx, ST2345xx
On-chip peripherals
Doc ID 12321 Rev 6
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the ICIE bit is set. This can be avoided if the input capture function i is disabled by reading
the ICiHR (see note 1).
6
The TOF bit can be used with interrupt in order to measure events that go beyond the timer
range (FFFFh).
Figure 47.
Input capture block diagram
Figure 48.
Input capture timing diagram
1.
The active edge is the rising edge.
2.
The time between an event on the ICAPi pin and the appearance of the corresponding flag is from 2 to 3
CPU clock cycles. This depends on the moment when the ICAP event happens relative to the timer clock.
Output compare
In this section, the index, i, may be 1 or 2 because there are 2 output compare functions in
the 16-bit timer.
This function can be used to control an output waveform or indicate when a period of time
has elapsed.
ICIE
CC0
CC1
16-BIT FREE RUNNING
COUNTER
IEDG1
(Control Register 1) CR1
(Control Register 2) CR2
ICF2
ICF1
0
0
0
(Status Register) SR
IEDG2
ICAP1
ICAP2
EDGE DETECT
CIRCUIT2
16-BIT
IC1R Register
IC2R Register
EDGE DETECT
CIRCUIT1
pin
pin
FF01
FF02
FF03
FF03
TIMER CLOCK
COUNTER REGISTER
ICAPi PIN
ICAPi FLAG
ICAPi REGISTER



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