DSB45 Development Support Box
Confidential / Released
s
DSB45_HD_V05
Page 36 of 50
01.02.2008
Pin no. Signal name
Function
27
EPP2
Earpiece 2 signal
28
EPP1
Earpiece 1 signal
29
EPN1
Earpiece 1 signal inverted
30
MICN2
Microphone 2 signal neg.
31
MICP2
Microphone 2 signal pos.
32
MICP1
Microphone 1 signal pos.
33
MICN1
Microphone 1 signal neg.
34 AGND
Analog
Ground
35 IGT
Ignition
36
EMERGOFF
Emergency-off / Power-off
37
DCD0
Data Carrier Detected (0)
38 CTS1
or AC45 only:
POWEROFF
Clear To Send (1)
39
CTS0
Clear To Send (0)
40
RTS1
Request To Send (1)
41
DTR0
Data Terminal Ready (0)
42
RTS0
Request To Send (0)
43 DSR0
DSPOUT
Data Set Ready (0)
DAI DSP Data Out
44 RING0
CLKSXM_
Ring Indication (0)
DAI 13 MHz Clock Reference
45
2V9 (VDD)
Supply voltage ext.
46 BATT+
Supply
voltage
47 BATT+
Supply
voltage
48 BATT+
Supply
voltage
49 BATT+
Supply
voltage
50 BATT+
Supply
voltage