Memory
Models
©
PHYTEC Messtechnik GmbH 2006 L-658e_5
49
5
Memory Models
The Philips LPC2292/94 controller provides up to four Chip Select
signals for easy selection of external peripherals or memory banks.
Depending on the number of memory devices installed on the
phyCORE-LPC2292/94, as well as the availability of the optional
Ethernet controller, up to three Chip Select signals are used internally.
/CS0 selects the two Flash banks installed on U300 – U303 with either
1 MByte, 2 MByte or 4 MByte devices in CBGA-48 packaging per
shape. The total amount of Flash memory is 2 MByte in the minimum
configuration of the module and 16
MByte if the maximum
configuration is used.
The external data memory consists of the two RAM banks at
U400 – U403. These spaces can house memory devices of 512 kByte,
1 MByte or 2 MByte in an TBGA-48 package. /CS1 selects the RAM
banks on U400 – U403.
Access to the optional Ethernet controller at U501 can be established
via /CS2 or /CS3 configurable with Jumper J502. The default
configuration allows access via /CS2 (J502 closed at 1+2).
Содержание phyCORE-LPC2292/94
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