参数资料
型号: ATTINY43U-SU
厂商: Atmel
文件页数: 157/158页
文件大小: 0K
描述: MCU AVR 4K FLASH 8MHZ 20-SOIC
产品培训模块: ATtiny43U Overview
MCU Product Line Introduction
tinyAVR Introduction
标准包装: 37
系列: AVR® ATtiny
核心处理器: AVR
芯体尺寸: 8-位
速度: 8MHz
连通性: USI
外围设备: 欠压检测/复位,POR,PWM,温度传感器,WDT
输入/输出数: 16
程序存储器容量: 4KB(2K x 16)
程序存储器类型: 闪存
EEPROM 大小: 64 x 8
RAM 容量: 256 x 8
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 5.5 V
数据转换器: A/D 4x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 20-SOIC(0.295",7.50mm 宽)
包装: 管件
产品目录页面: 613 (CN2011-ZH PDF)
配用: ATSTK600-TINYX3U-ND - STK600 SOCKET/ADAPTER TINYX3U
98
8048C–AVR–02/12
ATtiny43U
12.9.12
TIMSK1 – Timer/Counter 1 Interrupt Mask Register
Bits 7:3 – Res: Reserved Bits
These bits are reserved and will always read zero.
Bit 2 – OCIEnB: Timer/Countern Output Compare Match B Interrupt Enable
When the OCIEnB 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/Countern occurs, i.e., when the OCFnB bit is set in the Timer/Coun-
ter Interrupt Flag Register – TIFRn.
Bit 1 – OCIEnA: Timer/Countern Output Compare Match A Interrupt Enable
When the OCIEnA bit is written to one, and the I-bit in the Status Register is set, the
Timer/Countern Compare Match A interrupt is enabled. The corresponding interrupt is executed
if a Compare Match in Timer/Countern occurs, i.e., when the OCFnA bit is set in the
Timer/Counter n Interrupt Flag Register – TIFRn.
Bit 0 – TOIEn: Timer/Countern Overflow Interrupt Enable
When the TOIEn bit is written to one, and the I-bit in the Status Register is set, the Timer/Coun-
tern Overflow interrupt is enabled. The corresponding interrupt is executed if an overflow in
Timer/Countern occurs, i.e., when the TOVn bit is set in the Timer/Counter n Interrupt Flag Reg-
ister – TIFRn.
12.9.13
TIFR0 – Timer/Counter 0 Interrupt Flag Register
12.9.14
TIFR1 – Timer/Counter 1 Interrupt Flag Register
Bits 7:3 – Res: Reserved Bits
These bits are reserved and will always read zero.
Bit 2 – OCFnB: Output Compare Flag n B
The OCFnB bit is set when a Compare Match occurs between the Timer/Countern and the data
in OCRnB – Output Compare Registern B. OCFnB is cleared by hardware when executing the
corresponding interrupt handling vector. Alternatively, OCFnB is cleared by writing a logic one to
the flag. When the I-bit in SREG, OCIEnB (Timer/Counter Compare B Match Interrupt Enable),
and OCFnB are set, the Timer/Countern Compare Match Interrupt is executed.
Bit
7654
3
2
1
0
––––
OCIE1B
OCIE1A
TOIE1
TIMSK1
Read/Write
RRRR
R
R/W
Initial Value
0000
0
Bit
765
432
10
OCF0B
OCF0A
TOV0
TIFR0
Read/Write
RR
RRR
R/W
Initial Value
0
Bit
765
432
10
OCF1B
OCF1A
TOV1
TIFR1
Read/Write
RR
RRR
R/W
Initial Value
0
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