FUNC_PAD_CONTROL Registers
114
SLVUAH1C – June 2015 – Revised April 2017
Copyright © 2015–2017, Texas Instruments Incorporated
Register Descriptions
3.9.7 PRIMARY_SECONDARY_PAD1 Register (Address = 1FAh) [reset = X]
PRIMARY_SECONDARY_PAD1 is shown in
and described in
.
Return to
PAD/PIN function register (Primary vs. Secondary) #1
RESET register domain: HWRST
Figure 3-96. PRIMARY_SECONDARY_PAD1 Register
7
6
5
4
3
2
1
0
GPIO_3
GPIO_2
GPIO_1
GPIO_0
R/W-X
R/W-X
R/W-X
R/W-X
Table 3-105. PRIMARY_SECONDARY_PAD1 Register Field Descriptions
Bit
Field
Type
Reset
Description
7-6
GPIO_3
R/W
X
Selection primary or secondary function associated to GPIO_3
pin/pad
00: Primary function is selected (GPIO_3)
01: Secondary function is selected (ENABLE2)
10: Secondary function is selected (REGEN1)
11: Secondary function is selected (SYNCDCDC)
5-4
GPIO_2
R/W
X
Selection primary or secondary function associated to GPIO_2
pin/pad
00: Primary function is selected (GPIO_2)
01: Reserved
10: Secondary function is selected (ENABLE1)
11: Secondary function is selected (I2C_SDA_SDO)
3-2
GPIO_1
R/W
X
Selection primary or secondary function associated to GPIO_1
pin/pad
00: Primary function is selected (GPIO_1)
01: Secondary function is selected (RESET_IN)
10: Secondary function is selected (NRESWARM)
11: Secondary function is selected (VBUS_SENSE)
1-0
GPIO_0
R/W
X
Selection primary or secondary function associated to GPIO_0
pin/pad
00: Primary function is selected (GPIO_0)
01: Secondary function is selected (PWRDOWN)
10: Secondary function is selected (ENABLE2)
11: Secondary function is selected (REGEN1)