參數(shù)資料
型號(hào): MPC823
廠商: Motorola, Inc.
英文描述: Communication Processor Module
中文描述: 通信處理器模塊
文件頁數(shù): 53/74頁
文件大?。?/td> 234K
代理商: MPC823
Communication Processor Module
MOTOROLA
MPC823 REFERENCE MANUAL
16-431
S
C
1
P
16.12.1 Features
The following is a list of the serial peripheral interface’s main features:
Four-Wire Interface (SPIMOSI, SPIMISO, SPICLK, and SPISEL)
Full-Duplex Operation
Works with Data Characters from 4 to 16 Bits Long
Supports Back-to-Back Character Transmission and Reception
Master or Slave SPI Modes Supported
Multimaster Environment Support
Continuous Transfer Mode for Autoscanning Peripherals
Supports Maximum Clock Rates of 6.25MHz in Master Mode and 12.5MHz in Slave
Mode, Assuming a 25MHz System Clock is Used
Independent Programmable Baud Rate Generator
Programmable Clock Phase and Polarity
Open-Drain Output Pins Support Multimaster Configuration
Local Loopback Capability for Testing
Figure 16-120. SPI Block Diagram
TRANSMIT_REG
RECEIVE_REG
SHIFT_REGISTER
COUNTER
PINS INTERFACE
SPI MODE REG
PERIPHERAL BUS
IMB
SPI BRG
SPIMISO
SPIMOSI
SPICLK
IN_CLK
RXD
TXD
BRGCLK
SPISEL
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