Specifications

Product Technical Specification & Customer Design Guidelines
34 Proprietary and Confidential - Specifications subject to change 2400058
4.1.2 Pin description
Tabl e 4- 2 describes the LGA pad pin assignments.
See Digital I/O electrical information on page 39 for 1V8 voltage characteristics
and reset state definitions.
Table 4-2: SL808X LGA pad pin assignments
a
Pin Signal name Description
Active
state
Input / Output
(Direction to
module)
Voltage (V)
Min
b
Typ
b
Max
b
Type
1 GPIO_3 General purpose I/O High/Low Input High 1.17 - 2.1 Digital
Input Low -0.3 - 0.63
Output High 1.35 - 1.8
Output Low 0 - 0.45
2 GPIO_2 General purpose I/O High/Low Input High 1.17 - 2.1 Digital
Input Low -0.3 - 0.63
Output High 1.35 - 1.8
Output Low 0 - 0.45
3 GPIO_1 General purpose I/O High/Low Input High 1.17 - 2.1 Digital
Input Low -0.3 - 0.63
Output High 1.35 - 1.8
Output Low 0 - 0.45
4 NC No connect
5 NC No connect
6 EXT_VREG_USIM USIM VCC supply Power Output (1.8 V) 1.60 1.80 1.90 Power
Output (3.0_V) 2.70 3.00 3.30
7 EXT_USIM_RESET USIM reset Low Output High
(1.8V)
1.44 1.80 2.10 Digital
Output Low
(1.8V)
0.00 0.40
Output High
(3.0V)
2.40 3.00 3.30
Output Low
(3.0V)
0.00 0.60