
Chapter 3: Electrical and Environmental Specifications
May 31, 2008 Module Hardware Description 45
GPIO:
28 GPIO1 General pur-
pose I/O
I/O
30 GPIO2 General pur-
pose I/O
I/O
32 GPIO3 General pur-
pose I/O
I/O
34 GPIO4 General pur-
pose I/O
I/O
36 GPIO5 General pur-
pose I/O
I/O
38 GPIO6 General pur-
pose I/O
I/O
40 GPIO7 General pur-
pose I/O
I/O
42 GPIO8 General pur-
pose I/O
I/O
Audio:
67 SPKR_N Speaker
inverted
I
Refer to G24
Hardware
Description-
6889192V27
Stacked
Configuration
69 SPKR_P Speaker I
63 ALRT_N Alert speaker
inverted
I
65 ALRT_P Alert speaker I
61 MIC Microphone
input
O
59 AGND Audio ground
57 HDST_
MIC
Headset
microphone
input
O
55 HDST_
INT_N
Headset
detect inter-
rupt
O
Table 3-4:G24 Interface Specifications (Cont.)
Pin # Signal
Name Description I/O Active
H/L Internal
PU/PD Parameter Conditions
Level
Min Typ Max Units