IDT 8A3 Series - STATUS.SER0_STATUS

35©2018 Integrated Device Technology, Inc September 12, 2018
8A3xxxx Family Programming Guide
STATUS.SER0_STATUS
Status of serial interface 0.
STATUS.I2CM_STATUS Bit Field Descriptions
Bit Field Name Field Type Default Value Description
RESERVED N/A - This field must not be modified from the read value
I2CM_SPEED[3:2] R/O 0 I2C Master speed.
Indicates the I2C speed.
0 = 100 KHz
1 = 400 KHz
2 = 1 MHz
I2CM_PORT_SEL[1:0] R/O 0 I2C Master port pin selection.
Indicates the pins the I2C master is connected to.
0 = I2C master
1 = serial interface 0
2 = serial interface 1
Table 26: STATUS.SER0_STATUS Bit Field Locations and Descriptions
Offset
Address
(Hex)
STATUS.SER0_STATUS Bit Field Locations
D7 D6 D5 D4 D3 D2 D1 D0
002h RESERVED[7:3] ADDRESS_S
IZE[2]
MODE[1:0]
STATUS.SER0_STATUS 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/O 0 Serial Interface 0 address size.
Indicates the SSI address size.
0 = 1-byte
1 = 2-byte
MODE[1:0] R/O 0 Serial interface 0 mode.
Indicates the SSI protocol.
0 = undefined
1 = I2C
2 = SPI
3 = disabled