DSPIC33FJ32MC204-I/PT Microchip Technology Inc., DSPIC33FJ32MC204-I/PT Datasheet - Page 180
DSPIC33FJ32MC204-I/PT
Manufacturer Part Number
DSPIC33FJ32MC204-I/PT
Description
16-BIT DSC, 44LD, 32KB FLASH, MOTOR, 40 MIPS, NANOWATT
Manufacturer
Microchip Technology Inc.
Type
DSPr
Datasheet
1.DSPIC33FJ32MC204-IPT.pdf
(292 pages)
Specifications of DSPIC33FJ32MC204-I/PT
A/d Inputs
9-Channels, 10-Bit
Cpu Speed
40 MIPS
Eeprom Memory
0 Bytes
Input Output
35
Interface
I2C, SPI, UART/USART
Ios
35
Memory Type
Flash
Number Of Bits
16
Package Type
44-pin TQFP
Programmable Memory
32K Bytes
Ram Size
2K Bytes
Timers
3-16-bit, 1-32-bit
Voltage, Range
3-3.6 V
Dc
08+
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
Available stocks
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Quantity
Price
Company:
Part Number:
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16.5
To set up the SPI module for the Slave mode of operation:
1.
2.
FIGURE 16-1:
DS70283B-page 178
Clear the SPIxBUF register.
If using interrupts:
a)
b)
c)
SDOx
SCKx
SDIx
SSx
SPI Setup: Slave Mode
Clear the SPIxIF bit in the respective IFSn
register.
Set the SPIxIE bit in the respective IECn
register.
Write the SPIxIP bits in the respective IPCn
register to set the interrupt priority.
Read SPIxBUF
Control
Sync
Transfer
SPI MODULE BLOCK DIAGRAM
SPIxRXB
bit 0
SPIxBUF
SPIxSR
Control
Clock
Shift Control
SPIxTXB
Transfer
Write SPIxBUF
Preliminary
Select
Edge
3.
4.
5.
6.
7.
The SPI module generates an interrupt indicating com-
pletion of a byte or word transfer, as well as a separate
interrupt for all SPI error conditions.
16
Write the desired settings to the SPIxCON1 and
SPIxCON2
(SPIxCON1<5>) = 0.
Clear the SMP bit.
If the CKE bit is set, then set the SSEN bit
(SPIxCON1<7>) to enable the SSx pin.
Clear the SPIROV bit (SPIxSTAT<6>).
Enable SPI operation by setting the SPIEN bit
(SPIxSTAT<15>).
Secondary
Prescaler
1:1 to 1:8
Internal Data Bus
registers
1:1/4/16/64
Prescaler
Primary
© 2007 Microchip Technology Inc.
F
SPIxCON1<1:0>
SPIxCON1<4:2>
Enable
Master Clock
with
CY
MSTEN
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