Z85233 Datasheet, PDF (166/317 Pages) Zilog, Inc. – The Zilog SCC Serial Communication Controller

FFFFFH
F8000H
F0000H
S-RAM Image
EP-ROM Image
28000H
20000H
18000H
10000H
08000H
00000H
S-RAM Image
/EP-ROM Image
S-RAM Image
EP-ROM Image
256K SRAM
EP-ROM
27C256
Image can be
killed trhrough
/USRRAM and
/USRROM
Figure 5. Physical Memory Address Map
Application Note
The Z180™ Interfaced with the SCC at MHZ
CL
/M1
D
Q
CL
D
Q
7
'74
'74
CK
PR
CK
PR
Ø
/M1 /WAIT
Figure 6. Wait State Generator Logic
(Extends Opcode Fetch Cycle Only; Not Working in Z
Mode of Operation)
UM010901-0601
6-31