Chapter 2: Hardware Interface Description
May 31, 2008 Module Hardware Description 27
Unused/Reserved Signals
W24 provides an interface to unused and reserved G24 signals, to enable their usage in the future.
The signals are directly routed from 70-pin host connector to the 70-pin cellular connector. The
above pins should be left open. Here is the summary interface consists of the following pins (see
Table2-11):
Table 2-11:Internal Interface Signals
Pin # Pin Name Description
54 LCD_CS N.C
56 LCD_SD N.C
58 LCD_CLK N.C
70 SPI_CS N.C
62 SPI_INT_N N.C
64 SPI_DIN N.C
68 SPI_DOUT N.C
66 SPI_CLK N.C