pc87591l National Semiconductor Corporation, pc87591l Datasheet - Page 229

• Manufacturer Part Number: pc87591l
• Description: Lpc Mobile Embedded Controllers
• Manufacturer: National Semiconductor Corporation

Revision 1.07
Embedded Controller Modules
Information Block Data Register (IBD)
This register holds the data for read or write transaction from/to the Information Block. Byte or word reads and writes to this
register are allowed to access a byte or word pointed to by IBA register. Note the program and erase limitations imposed by
the flash protection scheme.
Location: 00 F882
Type: R/W
Flash Core Write Protect Register 0 (FCWP0)
This register controls write protection of the Main Block per 8 Kbyte blocks. It is cleared (00
Location: 00 F890
Type: R/W
Bit
Name
Bit
Name
Reset
15-0 Information Block Data.
15-0 Core Write Protect. Each bit controls an 8 Kbyte block.
Bit
Bit
For bit i, the block’s start address is i x 00 2000
0: Program and erase are inhibited for this block
1: Program and erase are allowed for this block
Bits within the Core Boot Block and Host Boot Block, as defined by the protection word, are ignored, and the
flash memory is always write protected.
15
15
0
16
16
14
14
0
13
13
0
12
12
0
11
11
0
(Continued)
10
10
0
Information Block Data
9
9
0
16
Description
Description
.
229
FC0WP15-0
8
8
0
7
7
0
6
6
0
5
5
0
4
4
0
16
) on reset.
3
3
0
2
2
0
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1
1
0
0
0
0