DSB45 Development Support Box
Confidential / Released
s
DSB45_HD_V05
Page 18 of 50
01.02.2008
Pin no.
Signal
Function
Application
switch
Setting of
application switch
19
DCD0
Data Carrier Detected (0)
X113
External
20
DSPOUT_DSR0
Data Set Ready (0) /
DAI DSP Data Out
X122
External
21
CLKSXM_RING0
Ring Indication (0) /
DAI 13 MHz Clock Reference
X121
External
22
TXD1
Transmit Data (1)
X104
External
23
RXD1
Receive Data (1)
X105
External
24
CTS1
or for AC45 only:
POWEROFF
Clear To Send (1)
X106
External
25
RTS1
Request To Send (1)
X107
External
26
RFSDAI
DAI Receive Frame Sync
X116
External
27
TXDDAI
DAI Transmit Data
X117
External
28
SCLK
DAI Synchron Clock
X118
External
29
TFSDAI
DAI Transmit Frame Sync
X119
External
30
RXDDAI
DAI Receive Data
X120
External
31 - 40
nc
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External
The logic levels of the data lines (pin 14 – pin 30) are 2.65 Volt CMOS compatible.
1
Not used for MC55i DAI interface