Telit Wireless Solutions FN990 Series - Page 22

FN990 Family Hardware Design Guide
1VV0301752 8
Page 22 of 83
2024-05-29
Pin
Signal
I/O
Function
Type
Comment
30
UIM1_RESET_N
O
Reset output to an
external UIM1 card
1.8V / 2.95V
66
UIM1_PRESENT
I
UIM1 Card Present
Detect
1.8V
Internal 100k PU
Active HIGH
SIM Card Interface 2
48
UIM2_VCC
O
Supply output for an
external UIM2 card
1.8V / 2.95V
Power
42
UIM2_DATA
I/O
Data connection with
an external UIM2 card
1.8V / 2.95V
Internal 20k PU
44
UIM2_CLK
O
Clock output to an
external UIM2 card
1.8V / 2.95V
46
UIM2_RESET_N
O
Reset output to an
external UIM2 card
1.8V / 2.95V
40
UIM2_PRESENT
I
UIM2 Card Present
Detect
1.8V
Internal 100k PU
Active HIGH
Miscellaneous Functions
6
FULL_CARD_POWER_OFF_N
I
Module On/Off
1.8V /
VPH_PWR
Internal 47k PD
8
W_DISABLE_N
I
RF disable
VPH_PWR
Internal 100k PU
10
LED_N
O
LED control
Open Drain
23
WAKE_ON_WAN_N
O
Wake Host
1.8V
Default PU
65
VREG_L6B_1P8
O
Reference Voltage
1.8V
Power
67
SYS_RESIN_N
I
Reset Input
1.8V
Internal 100k PU
68
TGPIO_01
I/O
General Purpose I/O
Can be I2S_CLK
1.8V
25
TGPIO_02
I/O
General Purpose I/O
Can be DPR
1.8V
62
TGPIO_03
I/O
General Purpose I/O
1.8V
64
TGPIO_04
I/O
General Purpose I/O
1.8V
20
USB_PCIE_SWITCH
I
Switch Host Interface
1.8V
Internal 10k PU
22
TGPIO_06
I/O
General Purpose I/O
Can be I2S_DIN
1.8V
24
TGPIO_07
I/O
General Purpose I/O
Can be I2S_DOUT
1.8V
28
TGPIO_08
I/O
General Purpose I/O
Can be I2S_WS
1.8V