ata5773 ATMEL Corporation, ata5773 Datasheet - Page 120
ata5773
Manufacturer Part Number
ata5773
Description
Microcontroller With Uhf Ask/fsk Transmitter
Manufacturer
ATMEL Corporation
Datasheet
1.ATA5773.pdf
(284 pages)
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11. 8-bit Timer/Counter0 with PWM
11.1
11.2
68
Features
Overview
ATtiny24/44/84
•
•
•
•
•
•
•
Timer/Counter0 is a general purpose 8-bit Timer/Counter module, with two independent Output
Compare Units, and with PWM support. It allows accurate program execution timing (event man-
agement) and wave generation.
A simplified block diagram of the 8-bit Timer/Counter is shown in
the actual placement of I/O pins, refer to
including I/O bits and I/O pins, are shown in bold. The device-specific I/O Register and bit loca-
tions are listed in the
Figure 11-1. 8-bit Timer/Counter Block Diagram
Two Independent Output Compare Units
Double Buffered Output Compare Registers
Clear Timer on Compare Match (Auto Reload)
Glitch Free, Phase Correct Pulse Width Modulator (PWM)
Variable PWM Period
Frequency Generator
Three Independent Interrupt Sources (TOV0, OCF0A, and OCF0B)
Timer/Counter
TCCRnA
OCRnA
TCNTn
OCRnB
=
=
“Register Description” on page
Direction
Count
Clear
Control Logic
TOP
Figure 1-1 on page
=
TCCRnB
Value
BOTTOM
Fixed
TOP
clk
79.
=
Tn
0
2. CPU accessible I/O Registers,
OCnA
(Int.Req.)
OCnB
(Int.Req.)
Figure 11-1 on page
TOVn
(Int.Req.)
Clock Select
Generation
Generation
( From Prescaler )
Waveform
Waveform
Detector
Edge
8006G–AVR–01/08
68. For
OCnA
OCnB
Tn
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