Research & Development
119 NC
O
Reserved
120 GND Power
Digital
ground
121
RESETO#
O
Reset signal output (active low)
122
DX1
O
DSP serial port data output
123
DR1
I
DSP serial port data input
124
CLKR1
I
DSP serial port clock input
125
FSR1#
I
DSP frame sync input
126
CKPLL
O
6.144 MHz master clock output
127
RGDT#
I
Ring detection input
128
OFFHK#
O
Hook control signal output
Note:
●
NC: Please leave those pins whose pin name marked as "NC" to be no connection.
●
All I/O pins are 3.3V I/O pad, except for pin 11, 26, 43, 68, 104, 105, 106 and 117, which are 1.8V I/O pad.
●
Pin 118 must be pulled low with a pull low resister (e.g.: 20K ohm)
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Revision 1.0
2003/6 From 3JTech