參數(shù)資料
型號： ATMEGA103-6AI
廠商： Atmel
文件頁數(shù)： 84/141頁
文件大?。?/td> 0K
描述： IC MCU 128K 6MHZ A/D IT 64TQFP
產(chǎn)品培訓模塊： megaAVR Introduction
標準包裝： 90
系列： AVR® ATmega
核心處理器： AVR
芯體尺寸： 8-位
速度： 6MHz
連通性： SPI，UART/USART
外圍設備： POR，PWM，WDT
輸入/輸出數(shù)： 32
程序存儲器容量： 128KB（64K x 16）
程序存儲器類型： 閃存
EEPROM 大?。?/td> 4K x 8
RAM 容量： 4K x 8
電壓 - 電源 (Vcc/Vdd)： 4 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 8x10b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 85°C
封裝/外殼： 64-TQFP
包裝： 托盤
配用： ATSTK501-ND - ADAPTER KIT FOR 64PIN AVR MCU
47
ATmega103(L)
0945I–AVR–02/07
save mode was entered. After an edge on the asynchronous clock, TCNT0 will read
correctly. (The compare and overflow functions of the Timer are not affected by this
behavior.) Safe procedure to ensure correct value is read:
1.
Write any value to either of the registers OCR0 or TCCR0
2.
Wait for the corresponding Update Busy Flag to be cleared
3.
Read TCNT0
Note that OCR0 and TCCR0 are never modified by hardware, and will always read
correctly.
16-bit Timer/Counter1
Figure 33 shows the block diagram for Timer/Counter1.
The 16-bit Timer/Counter1 can select clock source from CK, prescaled CK or an exter-
nal pin. In addition, it can be stopped as described in the specification for the
Timer/Counter1 Control Register (TCCR1B). The different Status Flags (Overflow, Com-
pare Match and Capture Event) are found in the Timer/Counter Interrupt Flag Register
(TIFR). Control signals are found in the Timer/Counter1 Control Registers – TCCR1A
and TCCR1B. The interrupt enable/disable settings for Timer/Counter1 are found in the
Timer/Counter Interrupt Mask Register (TIMSK).
When Timer/Counter1 is externally clocked, the external signal is synchronized with the
Oscillator frequency of the CPU. To assure proper sampling of the external clock, the
minimum time between two external clock transitions must be at least one internal CPU
clock period. The external clock signal is sampled on the rising edge of the internal CPU
clock.
The 16-bit Timer/Counter1 features both a high-resolution and a high-accuracy usage
with the lower prescaling opportunities. Similarly, the high prescaling opportunities
makes the Timer/Counter1 useful for lower speed functions or exact timing functions
with infrequent actions.
The Timer/Counter1 supports two Output Compare functions using the Output Compare
Registers 1A and 1B (OCR1A and OCR1B) as the data sources to be compared to the
Timer/Counter1 contents. The Output Compare functions include optional clearing of
the counter on Compare A Match, and actions on the Output Compare pins on both
compare matches.
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ATMEGA103L 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit Microcontroller with 128K Bytes In-System Programmable Flash
ATMEGA103L-4AC 功能描述:8位微控制器 -MCU TQFP-64 128K FLASH 3 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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