pic32mx320f032h Microchip Technology Inc., pic32mx320f032h Datasheet - Page 83

• Manufacturer Part Number: pic32mx320f032h
• Description: 64/100-pin General Purpose And Usb 32-bit Flash Microcontrollers
• Manufacturer: Microchip Technology Inc.

17.0
The SPI module is a synchronous serial interface use-
ful for communicating with external peripherals and
other
devices may be Serial EEPROMs, shift registers, dis-
play drivers, A/D converters, etc. The PIC32MX SPI
module is compatible with Motorola
interfaces.
FIGURE 17-1:
© 2009 Microchip Technology Inc.
Note:
Note: Access SPIxTXB and SPIxRXB registers via SPIxBUF register.
microcontroller
SERIAL PERIPHERAL
INTERFACE (SPI)
SSx/F
reference source. Refer to the “PIC32MX
web site (www.Microchip.com/PIC32).
This data sheet summarizes the features of
the PIC32MX3XX/4XX family of devices. It
is not intended to be a comprehensive
Family Reference Manual” Section 23.
“Serial
(DS61106) for a detailed description of this
peripheral.
The manual is available from the Microchip
SDOx
SCKx
SDIx
SYNC
Peripheral
SPI MODULE BLOCK DIAGRAM
devices.
Receive
Slave Select
Sync Control
and Frame
SPIxRXB
Read
Interface
These
bit 0
®
SPI and SIOP
SPIxBUF
SPIxSR
peripheral
(SPI)”
Control
Clock
Preliminary
Shift
Control
SPIxTXB
Write
Transmit
Data Bus
Following are some of the key features of this module:
• Master and Slave Modes Support
• Four Different Clock Formats
• Framed SPI Protocol Support
• User Configurable 8-bit, 16-bit and 32-bit Data
• Separate SPI Data Registers for Receive and
• Programmable Interrupt Event on every 8-bit,
• Operation during CPU Sleep and Idle Mode
• Fast Bit Manipulation using CLR, SET and INV
Internal
Select
Edge
Width
Transmit
16-bit and 32-bit Data Transfer
Registers
PIC32MX3XX/4XX
Enable Master Clock
Baud Rate
Generator
Registers share address SPIxBUF
PBCLK
DS61143F-page 81