Freescale Semiconductor Tower System TWR-ADCDAC-LTC Demonstration Board TWR-ADCDAC-LTC TWR-ADCDAC-LTC User Manual
Product codes
TWR-ADCDAC-LTC
TWRADCDACLTCUM
TWR-ADCDAC-LTC Tower Module User's Manual
Page 9 of 17
Figure 3. SPI Configuration Options
Table 1. SPI Chip-Select Decoder Truth Table
GPIO9
J14
GPIO8
J15
GPIO7
J16
Decoded SPI Chip-Select
0 1 2 3 4 5 6 7
L
L
L
L H H H H H H H
L
L
H
H L H H H H H H
L
H
L
H H L H H H H H
L
H
H
H H H L H H H H
H
L
L
H H H H L H H H
H
L
H
H H H H H L H H
H
H
L
H H H H H H L H
H
H
H
H H H H H H H L