參數(shù)資料
型號： ATtiny28L
廠商： Atmel Corp.
英文描述： 8-Bit AVR Microcontroller with 2K bytes Flash(8位AVR技術微控制器(帶2K字節(jié)閃速存儲器))
中文描述： 8位AVR微控制器與2K字節(jié)的閃存（8位AVR的技術微控制器（帶2K字節(jié)閃速存儲器））
文件頁數(shù)： 39/81頁
文件大小： 663K
代理商： ATTINY28L
44
ATtiny28L/V
1062F–AVR–07/06
Analog Comparator
The analog comparator compares the input values on the positive input PB0 (AIN0) and
negative input PB1 (AIN1). When the voltage on the positive input PB0 (AIN0) is higher
than the voltage on the negative input PB1 (AIN1), the Analog Comparator Output
(ACO) is set (one). The comparator can trigger a separate interrupt exclusive to the ana-
log comparator. The user can select interrupt triggering on comparator output rise, fall or
toggle. A block diagram of the comparator and its surrounding logic is shown in Figure
Figure 36. Analog Comparator Block Diagram
Register Description
Analog Comparator Control
and Status Register – ACSR
Bit 7 – ACD: Analog Comparator Disable
When this bit is set (one), the power to the analog comparator is switched off. This bit
can be set at any time to turn off the analog comparator. When changing the ACD bit,
the Analog Comparator Interrupt must be disabled by clearing the ACIE bit in ACSR.
Otherwise, an interrupt can occur when the bit is changed. To use the analog compara-
tor, the user must clear this bit.
Bit 6 – Res: Reserved Bit
This bit is a reserved bit in the ATtiny28 and will always read as zero.
Bit 5 – ACO: Analog Comparator Output
ACO is directly connected to the comparator output.
Bit 4 – ACI: Analog Comparator Interrupt Flag
This bit is set (one) when a comparator output event triggers the interrupt mode defined
by ACI1 and ACI0. The Analog Comparator Interrupt routine is executed if the ACIE bit
is set (one) and the I-bit in SREG is set (one). ACI is cleared by hardware when execut-
PB0
PB1
Bit
7654
321
0
$08
ACD
–
ACO
ACI
ACIE
–
ACIS1
ACIS0
ACSR
Read/Write
R/W
R
R/W
R
R/W
Initial Value
1
0
X
0
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相關代理商/技術參數(shù)
參數(shù)描述
ATTINY28L_06 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit Microcontroller with 2K Bytes of Flash
ATTINY28L-4AC 功能描述:8位微控制器 -MCU AVR 2K FLASH 28 PIN PACKAGE - 3V 4MHZ RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
ATTINY28L-4AI 功能描述:8位微控制器 -MCU AVR 2K FLASH 28 PIN PACKAGE - 3V 4MHZ RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
ATTINY28L-4AU 功能描述:8位微控制器 -MCU AVR 2K FLASH 28 PIN PACKAGE - 3V 4MHZ RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
ATTINY28L-4AUR 功能描述:8位微控制器 -MCU AVR 2K FL 4MHZ IND TEMP 3V RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
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