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IGEP
TM
NEW YORK
Hardware Reference Manual
ISEE 2007
S.L. All rights reserved, IGEP™
is a registered trademar k from ISEE 2007 S.L. The followi ng is provided for informational purpos es onl y.
DOCUMENT FROM ISEE 2007 S.L. Ref: MAN-PR-ILMS0015-RAx
9
5.3
GPIO
IGEP
™
NEW YORK assembled with IGEP
™
COM MODULE, IGEP
™
COM NEUTRON or
IGEP™
COM
PROTON will give you an easy, quick and fast way to access 44 GPIO through easily accessible
2.54mm pitch J21 and J22 connection interfaces.
You can configure by software the respective OMAP3 ports to get GPIO mode on these pins.
Please check Expansion for Processor Board section for a complete pin description and their
possible configurable modes
(GPIO’s are
all MODE-4).
5.4
SPI
IGEP
™
NEW YORK assembled with IGEP
™
COM MODULE or IGEP
™
COM PROTON will give you an
easy, quick and fast way to access to a complete SPI interface through easily accessible
2.54mm pitch J21 connection. The next table shows you the pins for this feature:
Signal Name
Pin #
Description
mcspi1_clk
J21:19, J40:43
SPI-1 CLOCK
mcspi1_cs0
J21:20, J40:27
SPI-1 CHIP SELECT 0 (pin 17 is CS-1)
mcspi1_somi
J21:21, J40:45
SPI-1 SLAVE OUTPUT MASTER INPUT
mcspi1_simo
J21:22, J40:44
SPI-1 SLAVE INPUT MASTER OUTPUT
Table 5 SPI interface in J21 connector
SPI PORTS ARE 1.8V LOGIC LEVELS. ENSURE YOU CONNECT DEVICES
COMPATIBLE WITH THESE LEVELS.
PERMANENT DAMAGE
WILL OCCUR IF
HIGHER VOLTAGE IS APPLIED
5.5
UART
IGEP
™
NEW YORK assembled with IGEP
™
COM MODULE, IGEP
™
COM NEUTRON or IGEP
™
COM
PROTON will give you an easy, quick and fast way to access to a complete UART interface
through easily accessible 2.54mm pitch J21 connection. There is the possibility to configure 2
UART interfaces (MODE 0); the next table shows the pins you can use for this feature:
Signal Name
Pin #
Description
uart2_rts
J21:9, J10:55
UART-2 Request To Send
uart2_rx
J21:10, J10:16
UART-2 Receive data
uart2_cts
J21:11, J10:18
UART-2 Clear To Send
uart2_tx
J21:12, J10:21
UART-2 Transmit data
uart3_rts_sd
J21:13, J10:63
UART-3 Request To Send