Z80180 Datasheet, PDF (79/326 Pages) Zilog, Inc. – Z8018x Family MPU

Z 8018x Fam ily
M PU Us e r M anual
64
MMU Common/
Bank Area
Register
D7 — D4
MMU Common/
Bank Area
Register
D3 — D0
4
15
Comparator ⁴
4
12 11
MMU Common Base Reg.
MMU Bank Base Reg.
00000000
8
4
Adder
Physical ^{(19) 18}
Address
(512 k or 1 M)
8
12 11
Figure 29. Physical Address Generation
Logical
Address
(64 k)
15
12 11
Base Register
(8 bit)
(1 M)
Physical
Address
(7)
43
0
(19) 18 16 15
12 11
Figure 30. Physical Address Generation 2
UM005001-ZMP0400
0
Logical
Address
(64K)
0
0
0