PIC18F25J11-I/PT MICROCHIP [Microchip Technology], PIC18F25J11-I/PT Datasheet - Page 267
![no-image](/images/no-image-200.jpg)
PIC18F25J11-I/PT
Manufacturer Part Number
PIC18F25J11-I/PT
Description
28/44-Pin, Low-Power, High-Performance Microcontrollers with nanoWatt XLP Technology
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC18F25J11-IPT.pdf
(528 pages)
- Current page: 267 of 528
- Download datasheet (9Mb)
18.3.1
Each MSSP module has four registers for SPI mode
operation. These are:
• MSSPx Control Register 1 (SSPxCON1)
• MSSPx Status Register (SSPxSTAT)
• Serial Receive/Transmit Buffer Register
• MSSPx Shift Register (SSPxSR) – Not directly
SSPxCON1 and SSPxSTAT are the control and status
registers in SPI mode operation. The SSPxCON1
register is readable and writable. The lower six bits of
the SSPxSTAT are read-only. The upper two bits of the
SSPxSTAT are read/write.
REGISTER 18-1:
© 2009 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
Note 1:
(SSPxBUF)
accessible
R/W-1
SMP
Polarity of clock state is set by the CKP bit (SSPxCON1<4>).
REGISTERS
SMP: Sample bit
SPI Master mode:
1 = Input data sampled at end of data output time
0 = Input data sampled at middle of data output time
SPI Slave mode:
SMP must be cleared when SPI is used in Slave mode.
CKE: SPI Clock Select bit
1 = Transmit occurs on transition from active to Idle clock state
0 = Transmit occurs on transition from Idle to active clock state
D/A: Data/Address bit
Used in I
P: Stop bit
Used in I
S: Start bit
Used in I
R/W: Read/Write Information bit
Used in I
UA: Update Address bit
Used in I
BF: Buffer Full Status bit
1 = Receive complete, SSPxBUF is full
0 = Receive not complete, SSPxBUF is empty
CKE
R/W-1
SSPxSTAT: MSSPx STATUS REGISTER – SPI MODE (ACCESS FC7h/F73h)
(1)
2
2
2
2
2
C™ mode only.
C mode only; this bit is cleared when the MSSP module is disabled, SSPEN is cleared.
C mode only.
C mode only.
C mode only.
W = Writable bit
‘1’ = Bit is set
D/A
R-1
(1)
R-1
P
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
PIC18F46J11 FAMILY
SSPxSR is the shift register used for shifting data in or
out. SSPxBUF is the buffer register to which data
bytes are written to or read from.
In receive operations, SSPxSR and SSPxBUF
together create a double-buffered receiver. When
SSPxSR receives a complete byte, it is transferred to
SSPxBUF and the SSPxIF interrupt is set.
During
double-buffered. A write to SSPxBUF will write to both
SSPxBUF and SSPxSR.
R-1
S
transmission,
R/W
R-1
x = Bit is unknown
the
R-1
UA
SSPxBUF
DS39932C-page 267
R-1
BF
is
bit 0
not
Related parts for PIC18F25J11-I/PT
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![PIC18F2480](/images/no-image3.png)
Part Number:
Description:
28/40/44-Pin Enhanced Flash Microcontrollers with ECAN Technology, 10-Bit A/D and nanoWatt Technology
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet:
![PIC18F2682-I/PT](/images/no-image3.png)
Part Number:
Description:
28/40/44-Pin Enhanced Flash Microcontrollers with ECAN Technology, 10-Bit A/D and nanoWatt Technology
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet:
![MCP4024](/images/no-image3.png)
Part Number:
Description:
Low-Cost NV Digital POT with WiperLock™ Technology
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet:
![PIC12F1516](/images/no-image3.png)
Part Number:
Description:
28/40/44-Pin Flash Microcontrollers with nanoWatt XLP Technology
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet:
![PIC12F1822](/images/no-image3.png)
Part Number:
Description:
8/14-Pin Flash Microcontrollers with nanoWatt XLP Technology
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet:
![PIC12F1840](/images/no-image3.png)
Part Number:
Description:
8-Pin Flash Microcontrollers with nanoWatt XLP Technology
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet:
![PIC12F635-E/MD](/images/no-image3.png)
Part Number:
Description:
8/14-Pin, Flash-Based 8-Bit CMOS Microcontrollers with nanoWatt Technology
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet:
![PIC12F683-E/MD](/images/no-image3.png)
Part Number:
Description:
8-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet:
![TC1263](/images/no-image3.png)
Part Number:
Description:
500mA Fixed Output CMOS LDO with Shutdown
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet:
![TC1268](/images/no-image3.png)
Part Number:
Description:
500mA Fixed Output, Fast Response CMOS LDO with Shutdown
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet:
![TC4405](/images/no-image3.png)
Part Number:
Description:
1.5A Dual Open-Drain MOSFET Drivers
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet:
![TC4428](/images/no-image3.png)
Part Number:
Description:
1.5A DUAL HIGH-SPEED POWER MOSFET DRIVERS
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet:
![MCP41100](/images/no-image3.png)
Part Number:
Description:
Single/Dual Digital Potentiometer with SPI™ Interface
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet: