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Smart Machine Smart Decision
3.4.1
Pin Description
Table 10: Pin description
Audio channel
Pin name
Pin No.
Function
MIC_P
43
MIC positive input
MIC_N
44
MIC negative input
EAR_P
25
Receiver positive output
Normal
EAR_N
26
Receiver negative output
MIC_P
43
MIC positive input
MIC_N
44
MIC negative input
SPK_P
23
Loudspeaker positive output
Hand-free
SPK_N
24
Loudspeaker negative output
HP_MICP
42
Headset MIC positive input
HPR
27
Headset right channel
Headset
HPL
28
Headset left channel
Table 11: MIC input characteristics
Parameter
Min
Typ
Max
Unit
Working Voltage
-
1.8
-
V
Working Current
0.07
0.4
1
mA
External Microphone Load Resistance
1.2
2.2
k Ohms
Table 12: Audio output characteristics
Parameter
Min
Typ
Max
Unit
Load resistance
27
32
-
Ohm
Normal
(EAR_P,EAR_N)
Differential
Output power
-
50
-
mW
Single nded
load Resistance
12
16
-
Ohm
Differential
load Resistance
27
32
-
Ohm
Headset
(HPR,HPL)
Single Ended
Output power
-
21.6
-
mW
Table 13: Speaker output characteristics
Parameter
Min
Typ
Max
Unit
Quiescent Current
-
2.5
4
mA
Load resistance
-
8
-
Ohm
Output power(1KHz)
-
500
-
mW
SIM5215&SIM5216_Hardware Design_V2.02
2012-08-31
31
Содержание SIM5215
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