參數(shù)資料
型號: ATTINY26L-8PU
廠商: Atmel
文件頁數(shù): 154/169頁
文件大?。?/td> 0K
描述: IC MCU AVR 2K 5V 8MHZ 20-DIP
產(chǎn)品培訓(xùn)模塊: MCU Product Line Introduction
tinyAVR Introduction
標(biāo)準(zhǔn)包裝: 18
系列: AVR® ATtiny
核心處理器: AVR
芯體尺寸: 8-位
速度: 8MHz
連通性: USI
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 16
程序存儲器容量: 2KB(1K x 16)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 128 x 8
RAM 容量: 128 x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 11x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 20-DIP(0.300",7.62mm)
包裝: 管件
產(chǎn)品目錄頁面: 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
其它名稱: ATTINY26L-8PJ
ATTINY26L-8PJ-ND
85
1477K–AVR–08/10
ATtiny26(L)
Functional
Descriptions
Three-wire Mode
The USI Three-wire mode is compliant to the Serial Peripheral Interface (SPI) mode 0 and 1, but
does not have the slave select (SS) pin functionality. However, this feature can be implemented
in software if necessary. Pin names used by this mode are: DI, DO, and SCK.
Figure 45. Three-wire Mode Operation, Simplified Diagram
Figure 45 shows two USI units operating in Three-wire mode, one as master and one as slave.
The two shift Registers are interconnected in such way that after eight SCK clocks, the data in
each register are interchanged. The same clock also increments the USI’s 4-bit counter. The
Counter Overflow (interrupt) flag, or USIOIF, can therefore be used to determine when a transfer
is completed. The clock is generated by the master device software by toggling the PB2 pin via
the PORTB Register or by writing a one to the USITC bit in USICR.
Figure 46. Three-wire Mode, Timing Diagram
The Three-wire mode timing is shown in Figure 46. At the top of the figure is a SCK cycle refer-
ence. One bit is shifted into the USI Shift Register (USIDR) for each of these cycles. The SCK
timing is shown for both external clock modes. In external clock mode 0 (USICS0 = 0), DI is
sampled at positive edges, and DO is changed (Data Register is shifted by one) at negative
edges. External clock mode 1 (USICS0 = 1) uses the opposite edges versus mode 0, i.e., sam-
SLAVE
MASTER
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
PBy
PBx
PBz
DO
DI
SCK
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
PBy
PBx
PBz
DO
DI
SCK
PORTBz
MSB
654321
LSB
1
2
3
4
5
6
7
8
654321
LSB
SCK
DO
DI
D
C
B
A
E
CYCLE ( Reference )
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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 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(fēng)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 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(fēng)格:SMD/SMT