Neoway N715-EA - Audio, RF, and Flashlight Pin Descriptions

N715-EA Hardware User Guide
Chapter 4 Module Pins
Copyright © Neoway Technology Co., Ltd. All rights reserved.
24
it outputs a 1.8 V voltage.
Flashlight driver interface
FLSH_IB
117
PI
Flashlight current sink
I
max
= 240 mA
The current value is
configurable.
Connect this pin to the cathode of the
diode when used. Leave this pin open
if unused.
RF control interfaces
GRFC1
*
131
DO
General RF Control
P3
-
GRFC2
*
130
DO
General RF Control
P3
-
Analog audio interfaces
EAR_N
21
AO
Earpiece output -
-
50 mW maximum output power with a
32 Ω load. If the output power is not
enough, connect this interface to an
external power amplifier.
EAR_P
22
AO
Earpiece output +
-
SPK_P
109
AO
Speaker output +
-
Support differential output only, with
built-in class-AB or class-D power
amplifier.
Peak output power:
Class AB: 600 mW@4.2V, with an 8 Ω
load
Class D: 800 mW@4.2V, with an 8 Ω
load.
SPK_N
110
AO
Speaker output -
-
MIC_N
23
AI
MIC input channel -
-
-
MIC_P
24
AI
MIC input channel +
-
-
MIC_BIAS
25
PO
Microphone bias power supply
V
O
=2.2 V - 3 V,
V
norm
=2.2 V
-