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参数资料
| 型号： | PIC16F1527-E/MR |
| 厂商： | Microchip Technology |
| 文件页数： | 34/94页 |
| 文件大小： | 0K |
| 描述： | MCU 28KB FLASH 1536B RAM 64-QFN |
| 标准包装： | 40 |
| 系列： | PIC® XLP™ 16F |
| 核心处理器： | PIC |
| 芯体尺寸： | 8-位 |
| 速度： | 20MHz |
| 连通性： | I²C，LIN，SPI，UART/USART |
| 外围设备： | 欠压检测/复位，POR，PWM，WDT |
| 输入/输出数： | 54 |
| 程序存储器容量： | 28KB（16K x 14） |
| 程序存储器类型： | 闪存 |
| RAM 容量： | 1.5K x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 2.3 V ~ 5.5 V |
| 数据转换器： | A/D 30x10b |
| 振荡器型： | 内部 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 64-VFQFN 裸露焊盘 |
| 包装： | 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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| PIC16F1527-I/MR | 功能描述:8位微控制器 -MCU 28KB FL 1536B RAM 10bit ADC 1.8-5.5V 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 |
| PIC16F1527-I/MR | 制造商:Microchip Technology Inc 功能描述:IC 8BIT MCU PIC16F 20 MHz 64-QFN 制造商:Microchip Technology Inc 功能描述:IC, 8BIT MCU, PIC16F, 20 MHz, 64-QFN; Controller Family/Series:PIC16F; Core Size:8bit; No. of I/O's:54; Program Memory Size:28KB; RAM Memory Size:1536Byte; CPU Speed:20MHz; Oscillator Type:External, Internal; No. of Timers:9 ;RoHS Compliant: No |
| PIC16F1527-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 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 |
| PIC16F1527-I/PT | 制造商:Microchip Technology Inc 功能描述:IC 8BIT MCU PIC16F 20 MHz 64-TQFP 制造商:Microchip Technology Inc 功能描述:IC, 8BIT MCU, PIC16F, 20MHz, TQFP-64 |
| PIC16F1527T-I/MR | 功能描述:8位微控制器 -MCU 28KB FL 1536B RAM 10bit ADC 1.8-5.5V 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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