73M1903 MODEM ANALOG FRONT END DEMO BOARD User’s Manual
Revision 1.2
9 of 32
© Copyright 2005 TERIDIAN Semiconductor Corporation
73M1903
SCLK
FSB
SDIN
TXAP
TXAN
RXAP
RXAN
DAA
GPIO5(OH)
GPIO4(RING)
SDOUT
PHONE
Line
POWER
SUPPLY
RESET
XTAL
73M1903 Evaluation board
OH
RING
Figure 1-3: Block diagram for the TERIDIAN 73M1903 Demo Board