20 ---- Description of Functions
7
Description of Functions
7.1
External Expansion Connector
:
CN7 (not preinstalled)
1.27mm-pitch Surface Installation Pad
Through this connector, signals to/from the local memory bus (WEIM) of i.MX31 are transmitted via a 3V buffer.
All these signals are rated to 3V.
CN7
Fig.14
CN3 External Expansion Connector
7.2
PCMCIA
Model No.
:
IC14A-PL-SF-EJR, manufacturer
:
HIROSE
・
Host adapter interface with full compatibility with PCMCIA standard release 2.1 (PC Card-16).
・
One PCMCIA socket.
・
Supports hot swap capability.
・
Supports detection of card presence.
・
Supports five memory windows.
・
Only one interrupt generated to ARM11 core.
・
Possible to handle interrupts from card.
・
PCMCIA controller is part of the EMI, and shares the same pins among EIM
,
SDRAMC
,
and built-in NAND Flash
controller of i.MX31.
・
ATA supports disk emulation.
Fig.15
PCMCIA
Содержание KZM-ARM11-01
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