IGEP
TM
RADAR SENSOR ORION Hardware Reference Manual
ISEE 2007
S.L. All rights reserved, IGEP™ is a registered trademark from ISEE 2007 S.L. The following is provided for informational purposes only.
DOCUMENT FROM ISEE 2007 S.L. Ref: MAN-PR-RADR0010-RA1-001
17
When EXPANSION-III (JC3 CONNECTOR) is used, the SPI ports are:
Signal Name
Mode 0 Name
Pin #
Description
3DDS CS
dss_data22
JC3:15
DDS CS (mode2: mcspi3_cs1) IN
3ADCDDS CK
dss_data18
JC3:25
ADC&DDS CLOCK (mode2:
mcspi3_clk )IN
3DDS DAT
dss_data19
JC3:27
DDS DATA (mode2: mcspi3_simo) IN
Table 10 : DDS SPI-3 INTERFACE on JC3 connector
If you use IGEP
™
COM MODULE Processor board these ports correspond to
SPI-3
of OMAP
processor, when configured as shown on column “Description”.
5.7
ADC INTERFACE
IGEP
™
RADAR SENSOR ORION includes a NATIONAL P/N: ADC121S101CIMF, Single Channel, 0.5
to 1 Msps, 12-Bit Analog to Digital Converter that can be sampled through SPI interface.
For a complete description of this ADC device please check official datasheet:
http://www.national.com/ds/DC/ADC121S101.pdf
5.7.1
ADC SPI PHYSICAL INTRFACE
ADC can be read through SPI interface available either on JC2 or JC3 connectors.
When EXPANSION-II (JC2 CONNECTOR) is used, the SPI ports are:
Signal Name
Mode 0 Name
Pin #
Description
2ADC CS
mcbsp1_fsx
JC2:16
ADC Chip Select (mode1: mcspi4_cs0) IN
2ADC DAT
mcbsp1_dr
JC2:18
ADC DATA (mode1: mcspi4_somi) OUT
2ADCDDS CK
mcbsp1_clkr
JC2:20
ADC&DDS CLOCK (mode1: mcspi4_clk) IN
Table 11 : ADC SPI-4 INTERFACE on JC2 connector
If you use IGEP
™
v2 Processor board these ports correspond to
SPI-4
of OMAP processor, when
configured as shown on column “Description”.
NOTE THAT SPI-4 IS SHARED BY DDS AND ADC
.
When EXPANSION-III (JC3 CONNECTOR) is used, the SPI ports are:
Signal Name
Mode 0 Name
Pin #
Description
3ADC CS
dss_data21
JC3:23
DDS CS (mode2: mcspi3_cs0) IN
3ADCDDS CK
dss_data18
JC3:25
ADC&DDS CLOCK (mode2:
mcspi3_clk )IN
3ADC DAT
dss_data20
JC3:45
DDS DATA (mode2: mcspi3_somi) IN
Table 12 : ADC SPI-3 INTERFACE on JC3 connector
If you use IGEP
™
COM MODULE Processor board these ports correspond to
SPI-3
of OMAP
processor, when configured as shown on column “Description”.
NOTE THAT SPI-3 IS SHARED BY DDS AND ADC
.
