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ATTINY817-MFR. bảng dữ liệu(PDF) 144 Page - Microchip Technology

tên linh kiện ATTINY817-MFR.
Giải thích chi tiết về linh kiện  AVR짰 Microcontroller with Core Independent Peripherals and picoPower짰 Technology
PDF  492 Pages
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nhà sản xuất  MICROCHIP [Microchip Technology]
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ATTINY817-MFR. bảng dữ liệu(HTML) 144 Page - Microchip Technology

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Figure 20-2. Timer/Counter Block Diagram
Base Coun ter
Compare
(Unit x = {A,B,C})
Counter
=
CMPn
CMPnBUF
Wavefo rm
Generation
BV
=
PERB
PER
CNT
BV
= 0
"count"
"clear"
"direction"
"load"
Control Logi c
EVCTRL
CTRLA
OVF/UNF
(INT Req.)
TOP
"match"
CMPn
(INT Req.)
Control Logi c
Clock Select
BOTTOM
WOn Out
Event
Select
The counter register (CNT), period registers with buffer (PER and PERBUF), and compare registers with
buffers (CMPx and CMPBUFx) are 16-bit registers. All buffer registers have a buffer valid (BV) flag that
indicates when the buffer contains a new value.
During normal operation, the counter value is continuously compared to zero and the period (PER) value
to determine whether the counter has reached TOP or BOTTOM.
The counter value is also compared to the CMPx registers. These comparisons can be used to generate
interrupt requests. The waveform generator modes use these comparisons to set the waveform period or
pulse width.
A prescaled peripheral clock and events from the event system can be used to control the counter.
ATtiny417/817
© 2017 Microchip Technology Inc.
Datasheet Complete
DS40001901B-page 144



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