pc87591l-n05 National Semiconductor Corporation, pc87591l-n05 Datasheet - Page 314

• Manufacturer Part Number: pc87591l-n05
• Description: Lpc Mobile Embedded Controller
• Manufacturer: National Semiconductor Corporation

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6.0 Host-Controlled Modules and Host Interface
Shared Memory Size Configuration Register
This register defines the size of the user-defined memory zone mapped to the shared memory. This register is reset to 00
on host domain hardware reset.
Location: Index F7
Type:
Bit
Name
Reset
3-0
7-4
Bit
User-Defined Memory Zone Size. Defines the size, in bytes, of the zone window. The size is defined as an
exponent of two, using the equation: NumOfBytes = 2
zone must always be aligned to the window size (i.e., for a 128 Kbyte window, the 17 LSBs of the address
should be zero).
Bits
3 2 1 0
0 0 0 0
. . .
0 1 0 1
Other
Reserved.
R/W
16
7
0
Size (Bytes)
64K (default)
2M
Reserved
6
0
Reserved
5
0
Description
314
4
0
n
(where, n = User-Defined Memory Zone size+16). The
(Continued)
3
0
User-Defined Memory Zone Size
2
0
1
0
0
0
Revision 1.2
16