Datasheet

Section 4 Address Break
Rev. 3.00 Sep. 10, 2007 Page 65 of 528
REJ09B0216-0300
Bit Bit Name
Initial
Value
R/W Description
4
3
2
ACMP2
ACMP1
ACMP0
0
0
0
R/W
R/W
R/W
Address Compare Condition Select 2 to 0
These bits set the comparison condition between the
address set in BAR and the internal address bus.
Normal mode
000: Compares 16-bit addresses
001: Compares the higher-order 12 bits of the addresses
010: Compares the higher-order 8 bits of the addresses
011: Compares the higher-order 4 bits of the addresses
1XX: Reserved (setting prohibited)
Advanced mode
000: Compares 24-bit addresses
001: Compares the higher-order 20 bits of the addresses
010: Compares the higher-order 16 bits of the addresses
011: Compares the higher-order 12 bits of the addresses
1XX: Reserved (setting prohibited)
1
0
DCMP1
DCMP0
0
0
R/W
R/W
Data Compare Condition Select 1 and 0
These bits set the comparison condition between the data
set in BDR and the internal data bus.
00: No data comparison
01: Compares lower 8-bit data between BDRL and data
bus
10: Compares upper 8-bit data between BDRH and data
bus
11: Compares 16-bit data between BDR and data bus
[Legend] X: Don't care.