Specifications

CINTERION
®
BGS12 Hardware Interface Description
Contents
78 of 109
Page
BGS12 HID_V00.915
Confidential / Released
2019
-
01
-
07
Table 26: Electrical description of application interface
Function Signal IO Signal form and level Comment
Analog
audio
interfac
e
VMIC O
V
O
typ =
1.8V
Imax
=0.5 mA
Microphone supply for
customer feeding circuits
If unused keep line open.
EPP O Differential,
max 1.3Vrms at 32
load
0.95kHz sine wave
Balanced output for
earphone or balance output
for line out
If unused keep line open.
EPN O
MICP I
Z
I
typ = 2k
Vinmax =
0.3Vrms
(@0dB gain)
Balanced differential
microphone with external
feeding circuit (using VMIC
and AGND) or balanced
differential line input.
MICN I
Use coupling capacitors.
If unused keep lines
open.