C511_1 Datasheet, PDF (119/128 Pages) Siemens Semiconductor Group – 8-Bit CMOS Microcontroller

Device Specifications
ALE
PSEN
Port 0
t _LHLL
t _AVLL
t _PLPH
t _LLPL
t _LLIV
t _PLIV
A0 - A7
t _AZPL
t _LLAX
t _PXAV
t _PXIZ
t _PXIX
Instr.IN
A0 - A7
t _AVIV
Port 2
A8 - A15
Figure 10-1
Program Memory Read Cycle
ALE
A8 - A15
MCT00096
t _WHLH
PSEN
RD
Port 0
t _LLDV
t _LLWL
t _RLRH
t _RLDV
t _AVLL
t _LLAX2
A0 - A7 from
Ri or DPL
t _RHDZ
t _RLAZ
Data IN
t _RHDX
A0 - A7
Instr.
from PCL
IN
t _AVWL
t _AVDV
Port 2
Figure 10-2
Data Memory Read Cycle
P2.0 - P2.7 or A8 - A15 from DPH
A8 - A15 from PCH
MCT00097
Semiconductor Group
10-7