參數(shù)資料
型號(hào): ATTINY2313-20MU
廠商: Atmel
文件頁(yè)數(shù): 59/225頁(yè)
文件大?。?/td> 0K
描述: IC MCU AVR 2K FLASH 20-QFN
產(chǎn)品培訓(xùn)模塊: MCU Product Line Introduction
tinyAVR Introduction
標(biāo)準(zhǔn)包裝: 490
系列: AVR® ATtiny
核心處理器: AVR
芯體尺寸: 8-位
速度: 20MHz
連通性: SPI,UART/USART
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 18
程序存儲(chǔ)器容量: 2KB(1K x 16)
程序存儲(chǔ)器類(lèi)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
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 20-WFQFN 裸露焊盤(pán)
包裝: 托盤(pán)
產(chǎn)品目錄頁(yè)面: 612 (CN2011-ZH PDF)
配用: ATSTK600-DIP40-ND - STK600 SOCKET/ADAPTER 40-PDIP
ATAVRDRAGON-ND - KIT DRAGON FLASH MEM AVR
ATAVRISP2-ND - PROGRAMMER AVR IN SYSTEM
ATJTAGICE2-ND - AVR ON-CHIP D-BUG SYSTEM
其它名稱(chēng): Q2312268A
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2009 Microchip Technology Inc.
DS41341E-page 151
PIC16F72X/PIC16LF72X
16.1.2.4
Receive Framing Error
Each character in the receive FIFO buffer has a
corresponding framing error Status bit. A framing error
indicates that a Stop bit was not seen at the expected
time. The framing error status is accessed via the
FERR bit of the RCSTA register. The FERR bit
represents the status of the top unread character in the
receive FIFO. Therefore, the FERR bit must be read
before reading the RCREG.
The FERR bit is read-only and only applies to the top
unread character in the receive FIFO. A framing error
(FERR = 1) does not preclude reception of additional
characters. It is not necessary to clear the FERR bit.
Reading the next character from the FIFO buffer will
advance the FIFO to the next character and the next
corresponding framing error.
The FERR bit can be forced clear by clearing the SPEN
bit of the RCSTA register which resets the AUSART.
Clearing the CREN bit of the RCSTA register does not
affect the FERR bit. A framing error by itself does not
generate an interrupt.
16.1.2.5
Receive Overrun Error
The receive FIFO buffer can hold two characters. An
overrun error will be generated if a third character, in its
entirety, is received before the FIFO is accessed. When
this happens the OERR bit of the RCSTA register is
set. The characters already in the FIFO buffer can be
read but no additional characters will be received until
the error is cleared. The error must be cleared by either
clearing the CREN bit of the RCSTA register or by
setting the AUSART by clearing the SPEN bit of the
RCSTA register.
16.1.2.6
Receiving 9-bit Characters
The AUSART supports 9-bit character reception. When
the RX9 bit of the RCSTA register is set the AUSART
will shift 9 bits into the RSR for each character
received. The RX9D bit of the RCSTA register is the
ninth and Most Significant data bit of the top unread
character in the receive FIFO. When reading 9-bit data
from the receive FIFO buffer, the RX9D data bit must
be read before reading the 8 Least Significant bits from
the RCREG.
16.1.2.7
Address Detection
A special Address Detection mode is available for use
when multiple receivers share the same transmission
line, such as in RS-485 systems. Address detection is
enabled by setting the ADDEN bit of the RCSTA
register.
Address detection requires 9-bit character reception.
When address detection is enabled, only characters
with the ninth data bit set will be transferred to the
receive FIFO buffer, thereby setting the RCIF interrupt
bit of the PIR1 register. All other characters will be
ignored.
Upon receiving an address character, user software
determines if the address matches its own. Upon
address match, user software must disable address
detection by clearing the ADDEN bit before the next
Stop bit occurs. When user software detects the end of
the message, determined by the message protocol
used, software places the receiver back into the
Address Detection mode by setting the ADDEN bit.
Note:
If all receive characters in the receive
FIFO have framing errors, repeated reads
of the RCREG will not clear the FERR bit.
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ATTINY2313-20MUR 功能描述:8位微控制器 -MCU AVR 2KB FLSH 128B EE 128B SRAM 1UART 20P 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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
ATTINY231320PI 制造商:Atmel Corporation 功能描述:
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ATTINY2313-20PJ 功能描述:IC MCU AVR 2K FLASH 20DIP RoHS:是 類(lèi)別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:AVR® ATtiny 標(biāo)準(zhǔn)包裝:9 系列:87C 核心處理器:8051 芯體尺寸:8-位 速度:40/20MHz 連通性:UART/USART 外圍設(shè)備:POR,WDT 輸入/輸出數(shù):32 程序存儲(chǔ)器容量:32KB(32K x 8) 程序存儲(chǔ)器類(lèi)型:OTP EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:內(nèi)部 工作溫度:0°C ~ 70°C 封裝/外殼:40-DIP(0.600",15.24mm) 包裝:管件
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