User's Manual

TC63 Hardware Interface Description
Strictly confidential / Draft
s
TC63_HD_V00.432 Page 74 of 97 11.05.2005
Function Signal name IO Signal form and level Comment
VMIC O V
O
min = 2.4V
V
O
typ = 2.5V
V
O
max = 2.6V
I
max
= 2mA
Microphone supply for
customer feeding circuits
EPP2 O
EPN2 O
1.0954Vpp (differential) typical
3.4Vpp differential maximal
Audio mode TBD
Measurement conditions TBD
Minimum differential resp. single ended
load 27Ohms
The audio output can directly
operate a 32-Ohm-
loudspeaker.
If unused keep pins open.
EPP1 O
EPN1 O
1.0954Vpp (differential) typical
6.0Vp-p differential maximal
Audio mode TBD
Measurement conditions TBD
Minimum differential resp. single ended
load 7.5Ohms
The audio output can directly
operate an 8-Ohm-
loudspeaker.
If unused keep pins open.
MICP1 I
MICN1 I
MICP2 I
MICN2 I
Full Scale Input Voltage 1.578Vpp
0dBm0 Input Voltage 1.0954Vpp
At MICNx, apply external bias from 1.0V to
1.6V.
Audio mode TBD
Measurement conditions TBD
Balanced or single ended
microphone or line inputs with
external feeding circuit (using
VMIC and AGND).
If unused keep pins open.
Analog
Audio
interface
AGND Analog Ground GND level for external audio
circuits