參數(shù)資料
型號: ATTINY2313A-MMHR
廠商: Atmel
文件頁數(shù): 17/172頁
文件大?。?/td> 0K
描述: IC MCU AVR 2K FLASH 3X3 20QFN
產(chǎn)品培訓(xùn)模塊: tinyAVR Introduction
標(biāo)準(zhǔn)包裝: 1
系列: AVR® ATtiny
核心處理器: AVR
芯體尺寸: 8-位
速度: 20MHz
連通性: I²C,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 18
程序存儲器容量: 2KB(1K x 16)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 128 x 8
RAM 容量: 128 x 8
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 20-VFQFN 裸露焊盤
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: ATTINY2313A-MMHRDKR
113
8246B–AVR–09/11
ATtiny2313A/4313
Note:
1. The CTC1 and PWM11:0 bit definition names are obsolete. Use the WGM12:0 definitions. However, the functionality and
location of these bits are compatible with previous versions of the timer.
12.11.2
TCCR1B – Timer/Counter1 Control Register B
Bit 7 – ICNC1: Input Capture Noise Canceler
Setting this bit (to one) activates the Input Capture Noise Canceler. When the noise canceler is
activated, the input from the Input Capture pin (ICP1) is filtered. The filter function requires four
successive equal valued samples of the ICP1 pin for changing its output. The Input Capture is
therefore delayed by four Oscillator cycles when the noise canceler is enabled.
Bit 6 – ICES1: Input Capture Edge Select
This bit selects which edge on the Input Capture pin (ICP1) that is used to trigger a capture
event. When the ICES1 bit is written to zero, a falling (negative) edge is used as trigger, and
when the ICES1 bit is written to one, a rising (positive) edge will trigger the capture.
When a capture is triggered according to the ICES1 setting, the counter value is copied into the
Input Capture Register (ICR1). The event will also set the Input Capture Flag (ICF1), and this
can be used to cause an Input Capture Interrupt, if this interrupt is enabled.
Table 12-5.
Waveform Generation Mode Bit Description
Mode
WGM13
WGM12
(CTC1)
WGM11
(PWM11)
WGM10
(PWM10)
Timer/Counter Mode of
Operation
TOP
Update of
OCR1
x at
TOV1 Flag
Set on
0
Normal
0xFFFF
Immediate
MAX
1
0
1
PWM, Phase Correct, 8-bit
0x00FF
TOP
BOTTOM
2
0
1
0
PWM, Phase Correct, 9-bit
0x01FF
TOP
BOTTOM
3
0
1
PWM, Phase Correct, 10-bit
0x03FF
TOP
BOTTOM
4
0
1
0
CTC
OCR1A
Immediate
MAX
5
0
1
0
1
Fast PWM, 8-bit
0x00FF
TOP
6
0
1
0
Fast PWM, 9-bit
0x01FF
TOP
7
0
1
Fast PWM, 10-bit
0x03FF
TOP
8
100
0
PWM, Phase and Frequency
Correct
ICR1
BOTTOM
9
100
1
PWM, Phase and Frequency
Correct
OCR1A
BOTTOM
10
1
0
1
0
PWM, Phase Correct
ICR1
TOP
BOTTOM
11
1
0
1
PWM, Phase Correct
OCR1A
TOP
BOTTOM
12
1
0
CTC
ICR1
Immediate
MAX
13
1
0
1
(Reserved)
14
1
0
Fast PWM
ICR1
TOP
15
1
Fast PWM
OCR1A
TOP
Bit
765
4
3
210
ICNC1
ICES1
WGM13
WGM12
CS12
CS11
CS10
TCCR1B
Read/Write
R/W
R
R/W
Initial Value
0
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