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參數(shù)資料
| 型號(hào)： | PIC16LF1829-E/SO |
| 廠商： | Microchip Technology |
| 文件頁(yè)數(shù)： | 27/208頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | MCU PIC 14KB FLASH 20-SOIC |
| 標(biāo)準(zhǔn)包裝： | 38 |
| 系列： | PIC® XLP™ mTouch™ 16F |
| 核心處理器： | PIC |
| 芯體尺寸： | 8-位 |
| 速度： | 32MHz |
| 連通性： | I²C，LIN，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)： | 17 |
| 程序存儲(chǔ)器容量： | 14KB（8K x 14） |
| 程序存儲(chǔ)器類型： | 閃存 |
| EEPROM 大小： | 256 x 8 |
| RAM 容量： | 1K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 1.8 V ~ 3.6 V |
| 數(shù)據(jù)轉(zhuǎn)換器： | A/D 12x10b |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 125°C |
| 封裝/外殼： | 20-SOIC（0.295"，7.50mm 寬） |
| 包裝： | 管件 |
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147
ATmega8515(L)
2512K–AVR–01/10
Receive Compete Flag and
Interrupt
The USART Receiver has one flag that indicates the Receiver state.
The Receive Complete (RXC) Flag indicates if there are unread data present in the
receive buffer. This flag is one when unread data exist in the receive buffer, and zero
when the receive buffer is empty (i.e., does not contain any unread data). If the Receiver
is disabled (RXEN = 0), the receive buffer will be flushed and consequently the RXC bit
will become zero.
When the Receive Complete Interrupt Enable (RXCIE) in UCSRB is set, the USART
Receive Complete Interrupt will be executed as long as the RXC Flag is set (provided
that global interrupts are enabled). When interrupt-driven data reception is used, the
receive complete routine must read the received data from UDR in order to clear the
RXC Flag, otherwise a new interrupt will occur once the interrupt routine terminates.
Receiver Error Flags
The USART Receiver has three Error Flags: Frame Error (FE), Data OverRun (DOR)
and Parity Error (PE). All can be accessed by reading UCSRA. Common for the error
flags is that they are located in the receive buffer together with the frame for which they
indicate the error status. Due to the buffering of the error flags, the UCSRA must be
read before the receive buffer (UDR), since reading the UDR I/O location changes the
buffer read location. Another equality for the error flags is that they can not be altered by
software doing a write to the flag location. However, all flags must be set to zero when
the UCSRA is written for upward compatibility of future USART implementations. None
of the error flags can generate interrupts.
The Frame Error (FE) Flag indicates the state of the first stop bit of the next readable
frame stored in the receive buffer. The FE Flag is zero when the stop bit was correctly
read (as one), and the FE Flag will be one when the stop bit was incorrect (zero). This
flag can be used for detecting out-of-sync conditions, detecting break conditions and
protocol handling. The FE Flag is not affected by the setting of the USBS bit in UCSRC
since the Receiver ignores all, except for the first, stop bits. For compatibility with future
devices, always set this bit to zero when writing to UCSRA.
The Data OverRun (DOR) Flag indicates data loss due to a Receiver buffer full condi-
tion. A Data OverRun occurs when the receive buffer is full (two characters), it is a new
character waiting in the Receive Shift Register, and a new start bit is detected. If the
DOR Flag is set there was one or more serial frame lost between the frame last read
from UDR, and the next frame read from UDR. For compatibility with future devices,
always write this bit to zero when writing to UCSRA. The DOR Flag is cleared when the
frame received was successfully moved from the Shift Register to the receive buffer.
The Parity Error (PE) Flag indicates that the next frame in the receive buffer had a parity
error when received. If parity check is not enabled the PE bit will always be read zero.
For compatibility with future devices, always set this bit to zero when writing to UCSRA.
For more details see “Parity Bit Calculation” on page 140 and “Parity Checker” on page
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| PIC16F1829-E/SO | MCU PIC 14K FLASH 1K RAM 20SOIC |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| PIC16LF1829-I/ML | 功能描述:8位微控制器 -MCU 14KB FL 1KBRAM 32MHz 12I/0 Enhanced XLP 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 |
| PIC16LF1829-I/P | 功能描述:8位微控制器 -MCU 14KB FL 1KBRAM 32MHz 12I/0 Enhanced XLP 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 |
| PIC16LF1829-I/SO | 功能描述:8位微控制器 -MCU 14KB FL 1KBRAM 32MHz 12I/0 Enhanced XLP 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 |
| PIC16LF1829-I/SS | 功能描述:8位微控制器 -MCU 14KB FL 1KBRAM 32MHz 12I/0 Enhanced XLP 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 |
| PIC16LF1829T-I/ML | 功能描述:8位微控制器 -MCU 14KB FL 1KBRAM 32MHz 12I/0 Enhanced XLP 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 |
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