Switch Settings
Test Points
Switch
Position
Default
Operation
Description
SW100
1
Off
3.0V
Select voltage for MC module
(When selected power source is barrel jack or USB cable)
2
On
3.3V
3
Off
3.6V
4
Off
4.2V
SW200
1
Off
W_Disable_N
On=Set to logic low; Off=Set to logic high
2
On
LDO_EN
On=Enable on-board bias voltage
Off=Disable on-board bias voltage
3
On
LDO_CODEC_EN
On=Enable codec supply voltage
Off=Disable codec supply voltage
4
Off
ESIM_Reset
On=ESIM in reset mode; Off=ESIM in active mode
(ESIM support will be implemented in a future revision.)
5
Off
DPR input
On=DPR low; Off=DPR high
6
NC
NC
No connect
7
NC
NC
No connect
8
NC
NC
No connect
9
NC
NC
No connect
10
NC
NC
No connect
SW201
Button switch
Reset Module
Connector
Pin #
Description
Connector
Pin #
Description
CN207
1
Ground
CN208
1
NC
2
NC
2
Ground
3
On-board 1.8V
3
On-board module LDO
4
W_DISABLE_N
4
NC
5
Module 1.8V
5
PCM_CLK
6
NC
6
UIM1_DET
7
On-board module LDO
7
PCM_DIN
8
WAKE_ON_WWAN_N
8
RESET_N
9
UIM2_RST
9
PCM_DOUT
10
UIM1_CLK
10
WWAN_LED_N
11
UIM2_CLK
11
PCM_SYNC
12
UIM1_RST
12
I2C_DATA
13
UIM2_DATA
13
NC
14
UIM1_DATA
14
NC
15
UIM2_PWR
15
NC
16
UIM1_PWR
16
RFFE_DATA
17
NC
17
UIM2_DET
18
DPR
18
RFFE_CLK
19
NC
19
I2C_CLK
20
NC
20
RFFE_VIO
