7.3 Signal Descriptions
Table 7-2. Signal Descriptions
FUNCTION
SIGNAL NAME
PIN
NO.
PIN
TYPE
SIGNAL
DIRECTION
DESCRIPTION
Antenna
selection
DIO10
3
I/O
O
Antenna selection control
DIO12
9
I/O
O
DIO13
10
I/O
O
DIO23
12
I/O
O
DIO24
18
I/O
O
DIO28
19
I/O
O
DIO29
22
I/O
O
DIO25
23
O
O
DIO30
42
I/O
O
DIO3
48
I/O
O
DIO4
49
I/O
O
DIO5
50
I/O
O
DIO8
53
I/O
O
DIO9
54
I/O
O
Bluetooth Low
Energy/2.4 GHz
Radio
coexistence
DIO10
3
I/O
I/O
Coexistence inputs and outputs
DIO12
9
I/O
I/O
DIO13
10
I/O
I/O
DIO23
12
I/O
I/O
DIO24
18
I/O
I/O
DIO28
19
I/O
I/O
DIO29
22
I/O
I/O
DIO30
42
I/O
I/O
DIO3
48
I/O
I/O
DIO4
49
I/O
I/O
DIO5
50
I/O
I/O
DIO8
53
I/O
I/O
DIO9
54
I/O
I/O
Hostless Mode
DIO10
3
I/O
I/O
Hostless mode inputs and outputs
DIO12
9
I/O
I/O
DIO13
10
I/O
I/O
DIO23
12
I/O
I/O
DIO24
18
I/O
I/O
DIO28
19
I/O
I/O
DIO29
22
I/O
I/O
DIO25
23
O
O
DIO30
42
I/O
I/O
DIO3
48
I/O
I/O
DIO4
49
I/O
I/O
DIO5
50
I/O
I/O
DIO8
53
I/O
I/O
DIO9
54
I/O
I/O
SWRS225D – FEBRUARY 2019 – REVISED MAY 2021
14
Copyright © 2021 Texas Instruments Incorporated