Texas Instruments AFE79 Series Programming & User Manual page 1164

IO Wrap Register Map
2.16.500 Register 909h (offset = 909h) [reset = 2h]
7 6
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Bit Field
OVR_SEL_INTPI_
1-1
TX_FB_LOOP_0
OVR_INTPI_TX_F
0-0
B_LOOP_0
2.16.501 Register 90Ch (offset = 90Ch) [reset = 0h]
7 6
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Bit Field
SEL_INTPI_TX_FB
2-1
_LOOP_1
POL_INTPI_TX_FB
0-0
_LOOP_1
2.16.502 Register 90Dh (offset = 90Dh) [reset = 2h]
7 6
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Bit Field
OVR_SEL_INTPI_
1-1
TX_FB_LOOP_1
OVR_INTPI_TX_F
0-0
B_LOOP_1
1164
Serial Interface Register Maps
Figure 2-2763. Register 909h
5 4
Table 2-2779. Register 909 Field Descriptions
Type Reset
R/W 1h
R/W 0h
Figure 2-2764. Register 90Ch
5 4
Table 2-2780. Register 90C Field Descriptions
Type Reset
R/W 0h
R/W 0h
Figure 2-2765. Register 90Dh
5 4
Table 2-2781. Register 90D Field Descriptions
Type Reset
R/W 1h
R/W 0h
Copyright © 2020, Texas Instruments Incorporated
3 2
OVR_SEL_INT
PI_TX_FB_LO
Description
control to select whether the input function intpi_tx_fb_loop_0
needs to be overriden ot not. 1 indicates override.
override value for ovr_sel_intpi_tx_fb_loop_0 is made high
3 2
SEL_INTPI_TX_FB_LOOP_1
R/W-0h
Description
select control for intpi_tx_fb_loop_1. 0 indicates take from
parallel GPIO 1 indicates take from Serial LVDS GPIO 2
indicates take from Serdes GPIO
polarity control for intpi_tx_fb_loop_1. 0 indicates pass
through from GPIO when selected 1 indicates inverted signal
3 2
OVR_SEL_INT
PI_TX_FB_LO
Description
control to select whether the input function intpi_tx_fb_loop_1
needs to be overriden ot not. 1 indicates override.
override value for ovr_sel_intpi_tx_fb_loop_1 is made high
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1 0
OVR_INTPI_TX
_FB_LOOP_0
OP_0
R/W-1h R/W-0h
1 0
POL_INTPI_TX
_FB_LOOP_1
R/W-0h
1 0
OVR_INTPI_TX
_FB_LOOP_1
OP_1
R/W-1h R/W-0h
SBAU337 – May 2020