Technical information

Application Interface Specifications
58 G24-L Module Hardware Description November 15, 2008
GPIO:
28 GPIO1 General pur-
pose I/O
I/O 22K PU
V
IH
V
IL
V
OH
V
OL
I
OUT
< 150 uA
2.4
2.0
2.8
0
2.8
0
3.0
0.15
0.3
V
30 GPIO2 General pur-
pose I/O
I/O 22K PU
32 GPIO3 General pur-
pose I/O
I/O 22K PU
34 GPIO4 General pur-
pose I/O
I/O 22K PU
36 GPIO5 General pur-
pose I/O
I/O 22K PU
38 GPIO6 General pur-
pose I/O
I/O 22K PU
40 GPIO7 General pur-
pose I/O
I/O 22K PU
42 GPIO8 General pur-
pose I/O
I/O 22K PU
Audio:
67 SPKR_N Speaker
inverted -
Hands free
OR
L
VA C
PP
Single ended,
no load
32 Ω
69 SPKR_P Speaker -
Hands free
O2.75V
63 ALRT_N Alert speaker
inverted
OR
L
VA C
PP
Single ended,
no load
8 Ω
65 ALRT_P Alert speaker O 2.75 V
61 MIC Microphone
input
IR
IN
VA C
PP
10K
2.5
Ω
V
59 AGND Audio ground
57 HDST_
MIC
Headset
microphone
input
IR
IN
V
PP
10K
2.5
Ω
V
55 HDST_
INT_N
Headset
detect inter-
rupt
I L 100K
PU
V
IH
V
IL
2.0 2.8
0
3.0
0.3
V
Table 3-3: Interface Specifications (Cont.)
Pin #
Signal
Name
Description I/O
Active
H/L
Internal
PU/PD
Parameter Conditions
Level
Min Typ Max Units