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参数资料
型号： ATTINY26L-8PU
厂商： Atmel
文件页数： 150/169页
文件大小： 0K
描述： IC MCU AVR 2K 5V 8MHZ 20-DIP
产品培训模块： MCU Product Line Introduction
tinyAVR Introduction
标准包装： 18
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，WDT
输入/输出数： 16
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)： 2.7 V ~ 5.5 V
数据转换器： A/D 11x10b
振荡器型： 内部
工作温度： -40°C ~ 85°C
封装/外壳： 20-DIP（0.300"，7.62mm）
包装： 管件
产品目录页面： 612 (CN2011-ZH PDF)
配用： ATSTK600-RC08-ND - STK600 ROUTING CARD AVR
ATSTK600-ND - DEV KIT FOR AVR/AVR32
ATAVRISP2-ND - PROGRAMMER AVR IN SYSTEM
ATSTK505-ND - ADAPTER KIT FOR 14PIN AVR MCU
其它名称： ATTINY26L-8PJ
ATTINY26L-8PJ-ND
81
1477K–AVR–08/10
ATtiny26(L)
Register
Descriptions
USI Data Register –
USIDR
The USI uses no buffering of the serial register, i.e., when accessing the Data Register (USIDR)
the serial register is accessed directly. If a serial clock occurs at the same cycle the register is
written, the register will contain the value written and no shift is performed. A (left) shift operation
is performed depending of the USICS1..0 bits setting. The shift operation can be controlled by
an external clock edge, by a Timer/Counter0 overflow, or directly by software using the USICLK
strobe bit. Note that even when no wire mode is selected (USIWM1..0 = 0) both the external
data input (DI/SDA) and the external clock input (SCK/SCL) can still be used by the Shift
Register.
The output pin in use, DO or SDA depending on the wire mode, is connected via the output latch
to the most significant bit (bit 7) of the Data Register. The output latch is open (transparent) dur-
ing the first half of a serial clock cycle when an external clock source is selected (USICS1 = 1),
and constantly open when an internal clock source is used (USICS1 = 0). The output will be
changed immediately when a new MSB written as long as the latch is open. The latch ensures
that data input is sampled and data output is changed on opposite clock edges.
Note that the corresponding Data Direction Register (DDRB2/1) to the pin must be set to one for
enabling data output from the Shift Register.
USI Status Register –
USISR
The Status Register contains interrupt flags, line status flags and the counter value.
Note that doing a Read-Modify-Write operation on USISR Register, i.e., using the SBI or CBI
instructions, will clear pending interrupt flags. It is recommended that register contents is altered
by using the OUT instruction only.
Bit 7 – USISIF: Start Condition Interrupt Flag
When Two-wire mode is selected, the USISIF flag is set (to one) when a start condition is
detected. When output disable mode or Three-wire mode is selected and (USICSx = 0b11 &
USICLK = 0) or (USICS = 0b10 & USICLK = 0), any edge on the SCK pin sets the flag.
An interrupt will be generated when the flag is set while the USISIE bit in USICR and the Global
Interrupt Enable Flag are set. The flag will only be cleared by writing a logical one to the USISIF
bit. Clearing this bit will release the start detection hold of SCL in Two-wire mode.
A start condition interrupt will wakeup the processor from all four sleep modes.
Bit 6 – USIOIF: Counter Overflow Interrupt Flag
This flag is set (one) when the 4-bit counter overflows (i.e., at the transition from 15 to 0). An
interrupt will be generated when the flag is set while the USIOIE bit in USICR and the Global
Interrupt Enable Flag are set. The flag will only be cleared if a one is written to the USIOIF bit.
Clearing this bit will release the counter overflow hold of SCL in Two-wire mode.
A counter overflow interrupt will wakeup the processor from Idle sleep mode.
Bit
7
6
5
4
3
2
1
0
$0F ($2F)
MSB
LSB
USIDR
Read/Write
R/W
Initial Value
0
Bit
7
6
5
4
3
210
$0E ($2E)
USISIF
USIOIF
USIPF
USIDC
USICNT3
USICNT2
USICNT1
USICNT0
USISR
Read/Write
R/W
R
R/W
Initial Value
0
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相关代理商/技术参数
参数描述
ATTINY26L-8SC 功能描述:8位微控制器 -MCU AVR 2K FLSH 128B EE 128B SRAM ADC 3V RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
ATTINY26L-8SI 功能描述:8位微控制器 -MCU AVR 2K FLSH 128B EE 128B SRAM ADC 3V RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
ATTINY26L-8SI SL383 制造商:Atmel Corporation 功能描述:MCU 8-bit ATtiny AVR RISC 2KB Flash 3.3V/5V 20-Pin SOIC W T/R
ATtiny26L-8SU 功能描述:8位微控制器 -MCU 2kB Flash 128B EE 128B SRAM RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
ATTINY26L-8SUR 功能描述:8位微控制器 -MCU 2K FL 128B EE 128B SRAM ADC 8MHZ IND 3V RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
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