参数资料
型号: ATMEGA103-6AI
厂商: Atmel
文件页数: 85/141页
文件大小: 0K
描述: IC MCU 128K 6MHZ A/D IT 64TQFP
产品培训模块: megaAVR Introduction
标准包装: 90
系列: AVR® ATmega
核心处理器: AVR
芯体尺寸: 8-位
速度: 6MHz
连通性: SPI,UART/USART
外围设备: POR,PWM,WDT
输入/输出数: 32
程序存储器容量: 128KB(64K x 16)
程序存储器类型: 闪存
EEPROM 大小: 4K x 8
RAM 容量: 4K x 8
电压 - 电源 (Vcc/Vdd): 4 V ~ 5.5 V
数据转换器: A/D 8x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 64-TQFP
包装: 托盘
配用: ATSTK501-ND - ADAPTER KIT FOR 64PIN AVR MCU
48
ATmega103(L)
0945I–AVR–02/07
Figure 33. Timer/Counter1 Block Diagram
Timer/Counter1 can also be used as an 8-, 9- or 10-bit Pulse Width Modulator. In this
mode the counter and the OCR1A/OCR1B Registers serve as a dual glitch-free stand-
alone PWM with centered pulses. Refer to page 53 for a detailed description of this
function.
The Input Capture function of Timer/Counter1 provides a capture of the Timer/Counter1
contents to the Input Capture Register (ICR1), triggered by an external event on the
Input Capture pin – PD4/(IC1). The actual capture event settings are defined by the
Timer/Counter1 Control Register (TCCR1B). In addition, the Analog Comparator can be
set to trigger the Input Capture. Refer to “Analog Comparator” on page 75 for details on
this. The ICP pin logic is shown in Figure 34.
Figure 34. ICP Pin Schematic Diagram
8-BIT
DA
T
A
BUS
T/C1 CONTROL
REGISTER B (TCCR1B)
T/C1 CONTROL
REGISTER A (TCCR1A)
T/C1 INPUT CAPTURE REGISTER (ICR1)
16-BIT COMPARATOR
TIMER/COUNTER1 OUTPUT COMPARE REGISTER A
TIMER/COUNTER1 OUTPUT COMPARE REGISTER B
TIMER/COUNTER1 (TCNT1)
TIMER INT. FLAG
REGISTER (TIFR)
0
7
8
15
CONTROL
LOGIC
COM1A1
COM1B1
CS12
TOV1
OCF0
TOV0
OCF1A
OCF1B
ICF1
COM1A0
COM1B0
CS1
1
CTC1
PWM1
1
PWM10
ICES1
ICNC1
CS10
CK
T/C1 COMPARE
MATCHA IRQ
T/C1 COMPARE
MATCHB IRQ
T/C1 INPUT
CAPTURE IRQ
T/C1 OVER-
FLOW IRQ
CAPTURE
TRIGGER
T/C CLOCK SOURCE
T/C CLEAR
UP/DOWN
TIMER INT. MASK
REGISTER (TIMSK)
OCIE0
TOIE0
TOIE1
OCIE1A
OCIE1B
TICIE1
TOIE2
TOV2
OCIE2
OCF2
T1
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