USB97C102 datasheet(13/80 Pages) SMSC

13 / 80 page

SMSC DS – USB97C102

Page 13

Rev. 03/23/2000

Data Space

Table 4 - MCU Data Memory Map

8051 ADDRESS

DATA SPACE

ACCESS

0xC000-0xFFFF

Movable 16k FLASH page 1 of 64 16k pages in

External FLASH (0x00000-0xFFFFF) selected by

MEM_BANK Register Default: 0x04000-

0x07FFF FLASH

External FLASH

0x8000-0xBFFF

Movable 16k FLASH page 1 of 64 16k pages in

External FLASH (0x00000-0xFFFFF) selected by

MEM_BANK2 Register Default: 0x004000-

0x037FFF FLASH

External FLASH

0x7000-0x7FFF

0x7F80-0x7F9F SIE Reg

0x7F70-0x7F7F ISA Reg

0x7F50-0x7F6F MMU Reg

0x7F20-0x7F2F Power Reg

0x7F10-0x7F1F Configuration Reg

0x7F00-0x7F0F Runtime Reg

Note 1.

Internal

0x6000-0x6FFF

0x6000

MMU Data Register

Internal

0x5000-0x5FFF

ISA MEMORY Window

ISA

0x4000-0x4FFF

0x4000-0x40FF

ISA I/O Window

ISA

0x3000-0x3FFF

Not used

0x2000-0x2FFF

Not used

0x1000-0x1FFF

Not used

0x0000-0x00FF

Registers and SFR’s

Internal

Note 1: The MCU, MMU, and SIE block registers are external to the 8051, but internal to the USB97C102. These

addresses will appear on the FLASH bus, but the read and write strobes will be inhibited.

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