參數(shù)資料
型號(hào): ATTINY861A-SUR
廠商: Atmel
文件頁(yè)數(shù): 10/296頁(yè)
文件大?。?/td> 0K
描述: MCU AVR 8KB FLASH 20MHZ 20SOIC
產(chǎn)品培訓(xùn)模塊: tinyAVR Introduction
標(biāo)準(zhǔn)包裝: 1,000
系列: AVR® ATtiny
核心處理器: AVR
芯體尺寸: 8-位
速度: 20MHz
連通性: USI
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,POR,PWM,溫度傳感器,WDT
輸入/輸出數(shù): 16
程序存儲(chǔ)器容量: 8KB(4K x 16)
程序存儲(chǔ)器類型: 閃存
EEPROM 大小: 512 x 8
RAM 容量: 512 x 8
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 11x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 20-SOIC(0.295",7.50mm 寬)
包裝: 帶卷 (TR)
其它名稱: ATTINY861A-SUR-ND
ATTINY861A-SURTR
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107
8197C–AVR–05/11
ATtiny261A/461A/861A
pins. The Fault Protection Enable (FPEN1) is automatically cleared at the same system clock as
the COM1nx bits are cleared.
If the Fault Protection Interrupt Enable bit (FPIE1) is set, a Fault Protection interrupt is generated
and the FPEN1 bit is cleared. Alternatively the FPEN1 bit can be polled by software to figure out
when the Timer/Counter has entered to Fault Protection mode.
12.10.1
Fault Protection Trigger Source
The main trigger source for the Fault Protection unit is the external interrupt pin (INT0). Alterna-
tively the Analog Comparator output can be used as trigger source for the Fault Protection unit.
The Analog Comparator is selected as trigger source by setting the Fault Protection Analog
Comparator (FPAC1) bit in the Timer/Counter1 Control Register (TCCR1D). Be aware that
changing trigger source can trigger a Fault Protection mode. Therefore it is recommended to
clear the FPF1 flag after changing trigger source, setting edge detector or enabling the Fault
Protection.
Both the external interrupt pin (INT0) and the Analog Comparator output (ACO) inputs are sam-
pled using the same technique as with the T0 pin (see Figure 11-3 on page 73). The edge
detectors are also identical but when the noise canceler is enabled additional logic is activated
before the edge detector, increasing the propagation delay with four system clock cycles.
An Input Capture can also be triggered by software by controlling the port of the INT0 pin.
12.10.2
Noise Canceler
The noise canceler uses a simple digital filtering technique to improve noise immunity. Consecu-
tive samples are monitored in a pipeline four units deep. The signal going to the edge detecter is
allowed to change only when all four samples are equal.
The noise canceler is enabled by setting the Fault Protection Noise Canceler (FPNC1) bit in
Timer/Counter1 Control Register D (TCCR1D). When enabled, the noise canceler introduces an
additional delay of four system clock cycles to a change applied to the input.
The noise canceler uses the system clock directly and is therefore not affected by the prescaler.
12.11 Accessing 10-Bit Registers
If 10-bit values are written to the TCNT1 and OCR1A/B/C/D registers, the 10-bit registers can be
byte accessed by the AVR CPU via the 8-bit data bus using two read or write operations. The
10-bit registers have a common 2-bit Timer/Counter1 High Byte Register (TC1H) that is used for
temporary storing of the two MSBs of the 10-bit access. The same TC1H register is shared
between all 10-bit registers. Accessing the low byte triggers the 10-bit read or write operation.
When the low byte of a 10-bit register is written by the CPU, the high byte stored in the TC1H
register, and the low byte written are both copied into the 10-bit register in the same clock cycle.
When the low byte of a 10-bit register is read by the CPU, the high byte of the 10-bit register is
copied into the TC1H register in the same clock cycle as the low byte is read.
To do a 10-bit write, the high byte must be written to the TC1H register before the low byte is
written. For a 10-bit read, the low byte must be read before the high byte.
12.11.1
Reusing the temporary high byte register
If writing to more than one 10-bit register where the high byte is the same for all registers written,
then the high byte only needs to be written once. However, note that the same rule of atomic
operation described previously also applies in this case.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ATTINY861A-XU 功能描述:8位微控制器 -MCU 8K Flash;125B EEPROM 128B SRAM;16 IO Pins 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT
ATTINY861A-XUR 功能描述:8位微控制器 -MCU AVR 8KB FLSH 512B EE 512B SRAM-20MHz, IND 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT
ATTINY861-ESMZ 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
ATTINY861-ESSZ 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
ATTINY861-ESXZ 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash