3Jtech uModem Technical Document page 8

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