Data Sheet

ICM-20948
Document Number: DS-000189 Page 53 of 89
Revision: 1.3
8.58 FIFO_RST
Name: FIFO_RST
Address: 104 (68h)
Type: USR0
Bank: 0
Serial IF: R/W
Reset Value: 0x00
BIT
NAME
FUNCTION
7:5
-
Reserved.
4:0
FIFO_RESET[4:0]
S/W FIFO reset. Assert and hold to set FIFO size to 0. Assert and de-assert to reset
FIFO.
8.59 FIFO_MODE
Name: FIFO_MODE
Address: 105 (69h)
Type: USR0
Bank: 0
Serial IF: R/W
Reset Value: 0x00
BIT
NAME
FUNCTION
7:5
-
Reserved.
4:0
FIFO_MODE[4:0]
0 – Stream.
1 – Snapshot.
When set to ‘1’, when the FIFO is full, additional writes will not be written to FIFO.
When set to ‘0’, when the FIFO is full, additional writes will be written to the FIFO,
replacing the oldest data.
8.60 FIFO_COUNTH
Name: FIFO_COUNTH
Address: 112 (70h)
Type: USR0
Bank: 0
Serial IF: R
Reset Value: 0x00
BIT
NAME
FUNCTION
7:5
-
Reserved.
4:0
FIFO_CNT[12:8]
High Bits, count indicates the number of written bytes in the FIFO.
Reading this byte latches the data for both FIFO_COUNTH, and FIFO_COUNTL.
8.61 FIFO_COUNTL
Name: FIFO_COUNTL
Address: 113 (71h)
Type: USR0
Bank: 0
Serial IF: R
Reset Value: 0x00
BIT
NAME
FUNCTION
7:0
FIFO_CNT[7:0]
Low bits, count indicates the number of written bytes in the FIFO.