Micrel Confidential
16
June 2006
2180 Fortune Drive, San Jose, CA 95131, USA
•
(408) 944-0800
•
http://www.micrel.com
KSZ8862-16 MQL Demo Board User’s Manual
7
Hardware Description
7.1
Memory Map
The default base address for the KSZ8862-16 MQL Demo Board is 0x0300 without the
EEPROM. Due to CS2 is used for the chip select of KSZ8862-16 MQL, the system base
address is 0x10300. If the EEPROM is used, the base address will download from the
first two bytes of the EEPROM to register of the Ethernet chip on power up.
Please refer to the Table 5 for memory map and Table 6 for EEPROM format/content.
Table 5: Memory Map for the Demo Board
Range (16)
Size
Description
00000 – 003FF
1K
SFR
00400 – 09FFF
39K
Internal RAM and reserved
10000 – 26FFF
94K
CS2 for KSZ8862-16 MQL
27000 – 27FFF
4K
Reserved
28000 – 2EFFF
28K
CS1 (No use)
30000 – 7FFFF
327K
CS0 for SRAM (option)
80000 - FFFFF
524K
Internal RAM and reserved
Table 6: EEPROM Format and Content
WORD
15 8
7 0
0H Base
Address
1H
Host MAC Address Byte 2
Host MAC Address Byte 1
2H
Host MAC Address Byte 4
Host MAC Address Byte 3
3H
Host MAC Address Byte 6
Host MAC Address Byte 5
4H
Reserved Reserved
5H
Reserved Reserved
6H
ConfigParam (see Table 7)
7H-3FH
Not used for KSZ8862M (available for user to use)
Table 7: Format for the ConfigParam Word 6H
Bit Bit
Name
Description
15
NEW_CAP
Reserved.
14 NO_SRST
Reserved.
13 Reserved
Reserved.
12 PME_D2
Reserved.
11 PME_D1
Reserved.
10 D2_SUP
Reserved.
