Sierra Wireless AirPrime SL808 Series Product Technical Specification & Customer Design Manuallines page 35

Table 4-2: SL808X LGA pad pin assignments (Continued)
Pin Signal name
8 EXT_USIM_DATA
9 EXT_USIM_CLK
10 VREF_1V8
11 SPI_CS_N
12 SPI_CLK
13 SPI_DATA_MOSI
14 SPI_DATA_MISO
15 NC
16 NC
17 NC
18 NC
Rev 1 Dec.10 Proprietary and Confidential - Specifications subject to change
Description
USIM I/O pin
USIM clock
1.8 V LDO
module is on)
SPI chip select
SPI clock
SPI Master Output /
Slave Input data pin
SPI Master Input /
Slave Output data pin
No connect
No connect
No connect
No connect
a
Input / Output
Active
(Direction to
state
module)
Input High
(1.8 V)
Input Low
(1.8 V)
Output High
(1.8 V)
Output Low
(1.8 V)
Input High
(3.0 V)
Input Low
(3.0 V)
Output High
(3.0 V)
Output Low
(3.0 V)
Output High
(1.8V)
Output Low
(1.8V)
Output High
(3.0V)
Output Low
(3.0V)
High Output
(when
Low Output High
Output Low
Output High
Output Low
Output High
Output Low
Input High
Input Low
Voltage (V)
b b b
Min Typ Max
1.26 2.10
0.00 0.40
1.26 1.80 2.10
0.00 0.40
2.10 3.30
0.00 0.60
2.10 3.00 3.30
0.00 0.60
1.26 1.80 2.10
0.00 0.40
2.10 3.00 3.30
0.00 0.60
1.62 1.8 1.98
1.35 - 1.8
0 - 0.45
1.35 - 1.8
0 - 0.45
1.35 - 1.8
0 - 0.45
1.17 - 2.1
-0.3 - 0.63
Type
Digital
Digital
Power
Digital
Digital
Digital
Digital
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