C8051F540-TB Silicon Laboratories Inc, C8051F540-TB Datasheet - Page 220
![BOARD PROTOTYPE W/C8051F540](/photos/9/25/92559/c8051f540-tb_sml.jpg)
C8051F540-TB
Manufacturer Part Number
C8051F540-TB
Description
BOARD PROTOTYPE W/C8051F540
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051F540-TB
Contents
Board
Processor To Be Evaluated
C8051F54x
Processor Series
C8051F54x
Interface Type
USB
Operating Supply Voltage
5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
C8051F54x
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1672
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C8051F54x
22.6. SPI Special Function Registers
SPI0 is accessed and controlled through four special function registers in the system controller: SPI0CN
Control Register, SPI0DAT Data Register, SPI0CFG Configuration Register, and SPI0CKR Clock Rate
Register. The four special function registers related to the operation of the SPI0 Bus are described in the
following figures.
220
SCK
(CKPOL=0, CKPHA=0)
SCK
(CKPOL=1, CKPHA=0)
MOSI
MISO
NSS (4-Wire Mode)
SCK
(CKPOL=0, CKPHA=1)
SCK
(CKPOL=1, CKPHA=1)
MOSI
MISO
NSS (4-Wire Mode)
Figure 22.6. Slave Mode Data/Clock Timing (CKPHA = 0)
Figure 22.7. Slave Mode Data/Clock Timing (CKPHA = 1)
MSB
MSB
MSB
MSB
Bit 6
Bit 6
Bit 6
Bit 6
Bit 5
Bit 5
Bit 5
Bit 5
Rev. 1.1
Bit 4
Bit 4
Bit 4
Bit 4
Bit 3
Bit 3
Bit 3
Bit 3
Bit 2
Bit 2
Bit 2
Bit 2
Bit 1
Bit 1
Bit 1
Bit 1
Bit 0
Bit 0
Bit 0
Bit 0
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