Pin Description - SimCom SIM5215 Hardware Design

3.4.1

Pin Description

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