N1 Smart Module Hardware User Guide
Copyright © Neoway Technology Co., Ltd
15
140
CDC_HPH_REF
HEADSET
141
CDC_HPH_L
HEADSET
142
CDC_HS_DET
HEADSET
143
MIC2_P
HEADSET
144
GND_MIC
HEADSET
145
GND
146
ANT-FM
FM_ANT
147
GND
148
MIC1_N
PRIMARY MIC
149
MIC1_P
PRIMARY MIC
150
GND
151
SPKR_DRV_M
SPKR
152
SPKR_DRV_P
SPKR
2.3 GPIOReference Level
Level Status
I/O
Min
MAX
Unit
GPIO 1.8 V digital I/O (VDD =1.8V)
VIH
High level
I
0.65*VDD
—
V
VIL
Low level
I
0.35 * VDD_ V
VOH
High level
O
VDD- 0.45
V
VOL
Low level
O
0.45
V