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| 型号： | MC13224V |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | SPECIALTY MICROPROCESSOR CIRCUIT, PBGA99 |
| 封装： | 9.50 X 9.50 MM, 1.20 MM HEIGHT, ROHS COMPLIANT, LGA-99 |
| 文件页数： | 17/54页 |
| 文件大小： | 490K |
| 代理商： | MC13224V |
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MC1322x Technical Data, Rev. 1.3
24
Freescale Semiconductor
5.6
Serial Peripheral Interface (SPI) Modules
The MC1322x has two SPI modules that use a common architecture
5.6.1
External SPI Module
The MC1322x offers a dedicated Serial Peripheral Interface (SPI) module for external use. The SPI is a
high-speed synchronous serial data input/output port used for interfacing with serial memories, peripheral
devices, or other processors. The SPI allows a serial bit stream of a programmed length (1 to 32 bits) to be
shifted simultaneously into and out of the device at a programmed bit-transfer rate (called 4-wire mode).
There are four pins associated with the SPI port (SPI_SCK, SPI_MOSI, SPI_MISO, and SPI_SS).
The SPI module can be programmed for master or slave operation. It also supports a 3-wire mode where
for master mode the MOSI becomes MOMI, a bidirectional data pin, and for slave mode the MISO
becomes SISO, a bidirectional data pin. In 3-wire mode, data is only transferred in one direction at a time.
The SPI bit clock is derived from the peripheral reference clock (typically 24 MHz with a maximum of 26
MHz). A prescaler divides the peripheral reference clock with a programmed divide ratio from 2 to 256.
Typical bit clock range will be from 12 MHz to 93.75 kHz.
The SPI has the following features:
Master or slave mode operation
Data buffer is 4 bytes (32 bits) in length
SPI transfer length programmable from 1 to 32 bits
MSB-first shifting
Programmable transmit bit rate (typically 12 MHz max)
Serial clock phase and polarity options
Full-duplex (4-wire) or bidirectional data (3-wire) operation
SPI transaction can be polled or interrupt driven
Slave select signal
Low Power (SPI Master uses gated clocks. SPI Slave clock derived completely from SPI_SCK.)
5.6.2
SPI FLASH Module (SPIF)
The SPIF is an internal SPI block dedicated to control, reading, and writing of the serial FLASH memory
(NVM). It uses the same architecture as the general SPI block, but is limited by the characteristics of the
FLASH SPI interface.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC13224V | 制造商:Freescale Semiconductor 功能描述:; Controller Family/Series:(ARM7); Memor |
| MC13224V_09 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Advanced ZigBee?- Compliant Platform-in-Package (PiP) for the 2.4 GHz IEEE? 802.15.4 Standard |
| MC13224VR2 | 功能描述:射频收发器 PIP 802.15.4 2.4G IND RoHS:否 制造商:Atmel 频率范围:2322 MHz to 2527 MHz 最大数据速率:2000 Kbps 调制格式:OQPSK 输出功率:4 dBm 类型: 工作电源电压:1.8 V to 3.6 V 最大工作温度:+ 85 C 接口类型:SPI 封装 / 箱体:QFN-32 封装:Tray |
| MC13224VR2 | 制造商:Freescale Semiconductor 功能描述:IC 32BIT MCU ARM7 26MHZ LGA-99 |
| MC13224VR2-CUT TAPE | 制造商:Freescale 功能描述:MC13224 Series 2.4 GHz PIP 250 KBps Surface Mount RF Transceiver - LGA-99 |
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