pic32mx320f064h Microchip Technology Inc., pic32mx320f064h Datasheet - Page 328

• Manufacturer Part Number: pic32mx320f064h
• Description: 64/100-pin General Purpose, 32-bit Flash Microcontrollers
• Manufacturer: Microchip Technology Inc.

PIC32MX FAMILY
FIGURE 17-3:
DS61143A-page 326
SCKx
(CKP = 0
CKE = 0)
SCKx
(CKP = 1
CKE = 0)
SCKx
(CKP = 0
CKE = 1)
SCKx
(CKP = 1
CKE = 0)
SDOx
(CKE = 0)
SDOx
(CKE = 1)
SDIx
(SMP = 0)
Input
Sample
(SMP = 0)
SDIx
(SMP = 1)
Input
Sample
(SMP = 1)
to SPIxBUF
SPIxRXIF
SPIRBF
(SPIxSTAT<0>)
User writes
SPITBE
Note 1: Four SPI Clock modes are shown here to demonstrate the functionality of bits CKP (SPIxCON<6>) and CKE
(2)
(2)
2: The SDI and input samples shown here for two different values of the SMP bit (SPIxCON<9>) are strictly for
3: If there are no pending transmissions, SPIxTXB is transferred to SPIxSR as soon as the user writes to SPIxBUF.
4: The operation for 8-Bit mode is shown. The 16-Bit and 32-Bit modes are similar.
(SPIxCON<8>). Only one of the four modes can be chosen for operation.
demonstration purposes. Only one of the two configurations of the SMP bit can be chosen during operation.
bit 7
SPI MASTER MODE OPERATION IN 8-BIT MODE (MODE32 =
bit 7
bit 7
SPIxTXB to SPIxSR
bit 7
User reads
SPIxBUF
bit 6
bit 6
bit 5
bit 5
(3)
Advance Information
bit 4
bit 4
Approx. 2 SYSCLK latency to set
SPIxRXIF flag bit
bit 3
bit 3
User writes new data
during transmission
bit 2
bit 2
SPIxSR moved
into SPIxRXB
bit 1
bit 1
bit 0
bit 0
bit 0
© 2007 Microchip Technology Inc.
bit 0
0
, MODE16 =
4 Clock modes
(clock output
at the SCKx
pin in Master
mode)
Two modes
available for
SMP control
bit
(4)
(1)
0
)