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©2018 Integrated Device Technology, Inc
September 12, 2018
8A3xxxx Family Programming Guide
SERIAL.SER0
Slave serial interface 0 (main serial port) configuration.
SERIAL.SER0_SPI
SPI configuration for serial interface 0 (main serial port).
Table 331: SERIAL.SER0 Bit Field Locations and Descriptions
Offset
Address
(Hex)
SERIAL.SER0 Bit Field Locations
D7
D6
D5
D4
D3
D2
D1
D0
002h
RESERVED[7:3]
ADDRESS_S
IZE[2]
MODE[1:0]
SERIAL.SER0 Bit Field Descriptions
Bit Field Name
Field Type Default Value
Description
RESERVED
N/A
-
This field must not be modified from the read value
ADDRESS_SIZE[2]
R/W
0
Serial interface 0 address size.
0 = 1-byte
1 = 2-byte
MODE[1:0]
R/W
0
Serial interface 0 mode.
Set MODE = 0 to maintain current configuration (e.g. mode indicated by
SER0_STATUS_MODE field will remain the same).
0 = no change
1 = I2C
2 = SPI
3 = disabled
Table 332: SERIAL.SER0_SPI Bit Field Locations and Descriptions
Offset
Address
(Hex)
SERIAL.SER0_SPI Bit Field Locations
D7
D6
D5
D4
D3
D2
D1
D0
003h
RESERVED[7:5]
SPI_SDO_D
ELAY[4]
SPI_CLOCK
_SELECTIO
N[3]
SPI_DUPLE
X_MODE[2]
RESERVED[1:0]
SERIAL.SER0_SPI Bit Field Descriptions
Bit Field Name
Field Type Default Value
Description
SPI_SDO_DELAY[4]
R/W
0
SPI delay SDO driving edge.
0 = driving edge used for SDO
1 = SDO driving edge delayed half-cycle of SCLK
SPI_CLOCK_SELECTION[
3]
R/W
0
SPI Clock Selection for SDI sampling.
0 = rising edge
1 = falling edge