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參數(shù)資料
| 型號(hào)： | PIC16LF1527-I/MR |
| 廠商： | Microchip Technology |
| 文件頁(yè)數(shù)： | 34/94頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | MCU PIC 28KB FLASH 64QFN |
| 產(chǎn)品培訓(xùn)模塊： | Configurable Logic Cell 8-bit PIC® Microcontroller Portfolio |
| 標(biāo)準(zhǔn)包裝： | 40 |
| 系列： | PIC® XLP™ 16F |
| 核心處理器： | PIC |
| 芯體尺寸： | 8-位 |
| 速度： | 20MHz |
| 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)： | 54 |
| 程序存儲(chǔ)器容量： | 28KB（16K x 14） |
| 程序存儲(chǔ)器類(lèi)型： | 閃存 |
| RAM 容量： | 1.5K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 1.8 V ~ 3.6 V |
| 數(shù)據(jù)轉(zhuǎn)換器： | A/D 30x10b |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 64-VFQFN 裸露焊盤(pán) |
| 包裝： | 管件 |
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200
7810C–AVR–10/12
Atmel ATmega328P [Preliminary]
20.6
Data Transfer
Using the USART in MSPI mode requires the Transmitter to be enabled, i.e. the TXENn bit in
the UCSRnB register is set to one. When the Transmitter is enabled, the normal port operation
of the TxDn pin is overridden and given the function as the Transmitter's serial output. Enabling
the receiver is optional and is done by setting the RXENn bit in the UCSRnB register to one.
When the receiver is enabled, the normal pin operation of the RxDn pin is overridden and given
the function as the Receiver's serial input. The XCKn will in both cases be used as the transfer
clock.
After initialization the USART is ready for doing data transfers. A data transfer is initiated by writ-
ing to the UDRn I/O location. This is the case for both sending and receiving data since the
transmitter controls the transfer clock. The data written to UDRn is moved from the transmit buf-
fer to the shift register when the shift register is ready to send a new frame.
Note:
To keep the input buffer in sync with the number of data bytes transmitted, the UDRn register must
be read once for each byte transmitted. The input buffer operation is identical to normal USART
mode, i.e. if an overflow occurs the character last received will be lost, not the first data in the buf-
fer. This means that if four bytes are transferred, byte 1 first, then byte 2, 3, and 4, and the UDRn
is not read before all transfers are completed, then byte 3 to be received will be lost, and not byte
1.
The following code examples show a simple USART in MSPIM mode transfer function based on
polling of the Data Register Empty (UDREn) Flag and the Receive Complete (RXCn) Flag. The
USART has to be initialized before the function can be used. For the assembly code, the data to
be sent is assumed to be stored in Register R16 and the data received will be available in the
same register (R16) after the function returns.
The function simply waits for the transmit buffer to be empty by checking the UDREn Flag,
before loading it with new data to be transmitted. The function then waits for data to be present
in the receive buffer by checking the RXCn Flag, before reading the buffer and returning the
value.
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相關(guān)代理商/技術(shù)參數(shù) |
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| PIC16LF1527T-I/MR | 功能描述:8位微控制器 -MCU 14KB Flash RAM 768b nanoWatt 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 |
| PIC16LF1527T-I/PT | 功能描述:8位微控制器 -MCU 14KB Flash RAM 768b nanoWatt 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 |
| PIC16LF1613-I/SL | 制造商:Microchip Technology Inc 功能描述:3.5KB FLASH, 256 RAM, 32MHZ INT. OSC, 10BIT ADC, ZCD, WWDT, - Rail/Tube 制造商:Microchip Technology Inc 功能描述:3.5KB Flash, 256 RAM, 32MHz Int. Osc, 10bit ADC, ZCD, WWDT, CRC, 14 SOIC .150in |
| PIC16LF1613-I/ST | 制造商:Microchip Technology Inc 功能描述:3.5KB FLASH, 256 RAM, 32MHZ INT. OSC, 10BIT ADC, ZCD, WWDT, - Rail/Tube 制造商:Microchip Technology Inc 功能描述:3.5KB Flash, 256 RAM, 32MHz Int. Osc, 10bit ADC, ZCD, WWDT, CRC, 14 TSSOP 4.4mm |
| PIC16LF1703-I/SL | 制造商:Microchip Technology Inc 功能描述:IC MCU 8BIT 2K FLASH 14SOIC |
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