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ATTINY44V-10PU 数据手册 - ATMEL（爱特美尔）
制造商:
ATMEL（爱特美尔）
分类:
8位微控制器
封装:
DIP-14
描述:
8 位 tinyAVR® 微控制器，AtmelAtmel 的 tinyAVR® 设备经优化处理，适用于需要性能、电源效率、易于使用且采用小型封装的应用。体积小巧，适用于注重尺寸的应用 电容式触摸 快速，且代码高效 高集成 1.8V 至 5.5V 工作 (ATtiny43U) ### AVR 微控制器，Atmel
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引脚图在P2P56Hot
典型应用电路图在P123
原理图在P4P7P54P69P71P72P73P87P89P91P93P95
封装尺寸在P220P221P222
型号编码规则在P217P218P219P229
封装信息在P220
功能描述在P118
技术参数、封装参数在P227
应用领域在P32
电气规格在P151P230
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ATTINY44V-10PU数据手册
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69
8006K–AVR–10/10
ATtiny24/44/84
11. 8-bit Timer/Counter0 with PWM
11.1 Features
• 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)
11.2 Overview
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 Figure 11-1 on page 69. For
the actual placement of I/O pins, refer to Figure 1-1 on page 2. CPU accessible I/O Registers,
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 “Register Description” on page 80.
Figure 11-1. 8-bit Timer/Counter Block Diagram
Clock Select
Timer/Counter
DATA B U S
OCRnA
OCRnB
=
=
TCNTn
Waveform
Generation
Waveform
Generation
OCnA
OCnB
=
Fixed
TOP
Value
Control Logic
=
0
TOP BOTTOM
Count
Clear
Direction
TOVn
(Int.Req.)
OCnA
(Int.Req.)
OCnB
(Int.Req.)
TCCRnA TCCRnB
Tn
Edge
Detector
( From Prescaler )
clk
Tn
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