Digital I/O Electrical Information; Electrical Characteristics - Sierra Wireless AirPrime SL808 Series Product Technical Specification & Customer Design Manuallines

Table 4-2: SL808X LGA pad pin assignments (Continued)
Pin Signal name
70 TMS
71 TCK
72 TRST_N
73 TDO
74 RTCK
a. During the powered-off state, digital signal pins may not be in a high impedance state.
b. All values are preliminary.
Table 4-3: Electrical characteristics — 1.8 V type (1V8) digital I/O
a
Parameter
Input/Output V
IL
pin
V
IH
V
OL
V
OH
I
OH
I
OL
a. 'IL'—Input Low; 'IH'—Input High; 'OL'—Output Low; 'OH'—Output High
Rev 1 Dec.10 Proprietary and Confidential - Specifications subject to change
Description
Test Mode Select
Test Clock
Test Reset
Test Data Output
Return TCK

4.2 Digital I/O electrical information

The AirPrime SL808X Embedded Module uses 1.8 V CMOS for digital I/O. For
electrical characteristics, see

4.2.1 Electrical characteristics

Table 4-3 describes the electrical characteristics of 1.8 V CMOS pins.
I/O type
CMOS -0.3 V
CMOS 1.17 V
CMOS
CMOS 1.35 V
Input / Output
Active
(Direction to
state
module)
High/Low Input High
Input Low
High/Low Input High
Input Low
Low Input High
Input Low
High/Low Output High
Output Low
High/Low Output High
Output Low
Table 4-3 on page 39.
Minimum Typical
a
Voltage (V)
b b
Min Typ Max
1.17 - 2.1
-0.3 - 0.63
1.17 - 2.1
-0.3 - 0.63
1.17 - 2.1
-0.3 - 0.63
1.35 - 1.8
0 - 0.45
1.35 - 1.8
0 - 0.45
Maximum
0.63 V
2.1 V
0.45 V I
OL
1.8 V I
OH
4 mA
-4 mA
b
Type
Digital
Digital
Digital
Digital
Digital
Condition
= -4 mA
= 4 mA
39