
Expansion connectors
UM1585
Doc ID 023872 Rev 1
8 Expansion
connectors
Expansion connectors J11 and J21 are provided to enable the use of an additional board.
Both connectors are Samtec High Speed Board-to-Board connectors Q2 Right angle.
●
J11, P/N QFS-104-01-SL-D-RA, mates with QMS-104-01-SL-D-RA
●
J21, P/N QFS-026-01-SL-D-RA, mates with QMS-026-01-SL-D-RA
The signals available on the expansion connector are shown in Expansion connector
functions.
Figure 14.
Samtec connector
Note:
EXPI mode enabled/disabled (refer to
to configure EXPI mode).
Table 14.
Expansion connector functions -
EXPI mode enabled
Pin
Description
4
PLL_CLK1 ... 3
8
No function
33
MCI expansion 8 ... 15
2
NOR parallel Flash
(1)
5
SMI exp CS
4
Second LCD
30
Keypad expansion to 9x9
10
GPIO
UART modem expansion