参数资料
型号: ATTINY2313A-MUR
厂商: Atmel
文件页数: 159/172页
文件大小: 0K
描述: MCU AVR 2K FLASH 20MHZ 20QFN
产品培训模块: tinyAVR Introduction
标准包装: 6,000
系列: AVR® ATtiny
核心处理器: AVR
芯体尺寸: 8-位
速度: 20MHz
连通性: I²C,SPI,UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 18
程序存储器容量: 2KB(1K x 16)
程序存储器类型: 闪存
EEPROM 大小: 128 x 8
RAM 容量: 128 x 8
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 20-WFQFN 裸露焊盘
包装: 带卷 (TR)
87
8246B–AVR–09/11
ATtiny2313A/4313
11.9.6
TIMSK – Timer/Counter Interrupt Mask Register
Bit 4 – Res: Reserved Bit
This bit is reserved bit in the ATtiny2313A/4313 and will always read as zero.
Bit 2 – OCIE0B: Timer/Counter0 Output Compare Match B Interrupt Enable
When the OCIE0B bit is written to one, and the I-bit in the Status Register is set, the
Timer/Counter Compare Match B interrupt is enabled. The corresponding interrupt is executed if
a Compare Match in Timer/Counter occurs, i.e., when the OCF0B bit is set in the Timer/Counter
Interrupt Flag Register – TIFR.
Bit 1 – TOIE0: Timer/Counter0 Overflow Interrupt Enable
When the TOIE0 bit is written to one, and the I-bit in the Status Register is set, the
Timer/Counter0 Overflow interrupt is enabled. The corresponding interrupt is executed if an
overflow in Timer/Counter0 occurs, i.e., when the TOV0 bit is set in the Timer/Counter 0 Inter-
rupt Flag Register – TIFR.
Bit 0 – OCIE0A: Timer/Counter0 Output Compare Match A Interrupt Enable
When the OCIE0A bit is written to one, and the I-bit in the Status Register is set, the
Timer/Counter0 Compare Match A interrupt is enabled. The corresponding interrupt is executed
if a Compare Match in Timer/Counter0 occurs, i.e., when the OCF0A bit is set in the
Timer/Counter 0 Interrupt Flag Register – TIFR.
11.9.7
TIFR – Timer/Counter Interrupt Flag Register
Bit 4 – Res: Reserved Bit
This bit is reserved bit in the ATtiny2313A/4313 and will always read as zero.
Bit 2 – OCF0B: Output Compare Flag 0 B
The OCF0B bit is set when a Compare Match occurs between the Timer/Counter and the data in
OCR0B – Output Compare Register0 B. OCF0B is cleared by hardware when executing the cor-
responding interrupt handling vector. Alternatively, OCF0B is cleared by writing a logic one to
the flag. When the I-bit in SREG, OCIE0B (Timer/Counter Compare B Match Interrupt Enable),
and OCF0B are set, the Timer/Counter Compare Match Interrupt is executed.
Bit 1 – TOV0: Timer/Counter0 Overflow Flag
The bit TOV0 is set when an overflow occurs in Timer/Counter0. TOV0 is cleared by hardware
when executing the corresponding interrupt handling vector. Alternatively, TOV0 is cleared by
writing a logic one to the flag. When the SREG I-bit, TOIE0 (Timer/Counter0 Overflow Interrupt
Enable), and TOV0 are set, the Timer/Counter0 Overflow interrupt is executed.
Bit
765432
1
0
TOIE1
OCIE1A
OCIE1B
ICIE1
OCIE0B
TOIE0
OCIE0A
TIMSK
Read/Write
R/W
R
R/W
Initial Value
000000
0
Bit
765
4321
0
TOV1
OCF1A
OCF1B
ICF1
OCF0B
TOV0
OCF0A
TIFR
Read/Write
R/W
R
R/W
Initial Value
000
0000
0
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