10
BLED
Output
Pick up Blue led, instructions, bluetooth
related working state
11
VREG
Input
MFB
12
1 V 8
Output
1.8V output
13
VBAT
Input
Lithium battery interface
14
VCHG
Input
Charging interface
15
GND
VSS
Ground pot
16
MIC_BIAS
Output
The microphone power output terminal
17
MIC_RP
Input
The Right channel microphone input the
difference
18
MIC_RN
Input
The Right channel microphone input the
difference negative
19
MIC_LP
Input
The Left channel microphone input the
difference
20
MIC_LN
Input
The Left channel microphone input the
difference negative
21
GND
VSS
Ground pot
22
SPK_RN
Output
The Right channel audio differential
Output the negative
23
SPK_RP
Output
The right channel audio differential
Output is terminal
24
SPK_LN
Output
The left channel audio differential output
Is negative
25
SPK_LP
Output
The left channel audio differential output
Is terminal
26
PIO_13
Bi-Directional
Programmable input/output line
27
PIO_11
Bi-Directional
Programmable input/output line
28
PIO_12
Bi-Directional
Programmable input/output line
29
PIO_9
Bi-Directional
Programmable input/output line
30
GND
Bi-Directional
Ground pot
7. Electrical Characteristic
7-1. Recommend Using Conditions
Operating Conditions
Minimum
Typical value
Maximum
Unit
Operating temperature
-40
-
85
℃
Current peak
0
-
50
mA
VBAT
+3.0
+3.7
+4.5
V
TEL : 02 – 6443 – 4703 Page 7 of 10
