PIC24F16KA102_11 Datasheet, PDF (136/278 Pages) Microchip Technology – 20/28-Pin General Purpose, 16-Bit Flash Microcontrollers with nanoWatt XLP Technology

PIC24F16KA102 FAMILY
REGISTER 16-2: SPI1CON1: SPI1 CONTROL REGISTER 1
U-0
U-0
U-0
R/W-0
R/W-0
—
—
—
DISSCK
DISSDO
bit 15
R/W-0
MODE16
R/W-0
SMP
R/W-0
CKE⁽¹⁾
bit 8
R/W-0
SSEN
bit 7
R/W-0
CKP
R/W-0
MSTEN
R/W-0
SPRE2
R/W-0
SPRE1
R/W-0
SPRE0
R/W-0
PPRE1
R/W-0
PPRE0
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 15-13
bit 12
bit 11
bit 10
bit 9
bit 8
bit 7
bit 6
bit 5
bit 4-2
Unimplemented: Read as ‘0’
DISSCK: Disable SCK1 pin bit (SPI Master modes only)
1 = Internal SPI clock is disabled, pin functions as I/O
0 = Internal SPI clock is enabled
DISSDO: Disables SDO1 pin bit
1 = SDO1 pin is not used by module; pin functions as I/O
0 = SDO1 pin is controlled by the module
MODE16: Word/Byte Communication Select bit
1 = Communication is word-wide (16 bits)
0 = Communication is byte-wide (8 bits)
SMP: SPI1 Data Input Sample Phase bit
Master mode:
1 = Input data is sampled at the end of data output time
0 = Input data is sampled at the middle of data output time
Slave mode:
SMP must be cleared when SPI1 is used in Slave mode.
CKE: SPI1 Clock Edge Select bit⁽¹⁾
1 = Serial output data changes on transition from active clock state to Idle clock state (see bit 6)
0 = Serial output data changes on transition from Idle clock state to active clock state (see bit 6)
SSEN: Slave Select Enable bit (Slave mode)
1 = SS1 pin is used for Slave mode
0 = SS1 pin is not used by the module; pin is controlled by port function
CKP: Clock Polarity Select bit
1 = Idle state for clock is a high level; active state is a low level
0 = Idle state for clock is a low level; active state is a high level
MSTEN: Master Mode Enable bit
1 = Master mode
0 = Slave mode
SPRE<2:0>: Secondary Prescale bits (Master mode)
111 = Secondary prescale 1:1
110 = Secondary prescale 2:1
.
.
.
000 = Secondary prescale 8:1
Note 1: The CKE bit is not used in the Framed SPI modes. The user should program this bit to ‘0’ for the Framed
SPI modes (FRMEN = 1).
DS39927C-page 136
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