C541U Datasheet, PDF (52/63 Pages) Siemens Semiconductor Group – 8 BIT CMOS MICROCONTROLLER

C541U
t _WHLH
ALE
PSEN
WR
Port 0
Port 2
t _LLWL
t _WLWH
t _AVLL
t _LLAX2
A0 - A7 from
Ri or DPL
t _AVWL
t_QVWX
t_QVWH
Data OUT
P2.0 - P2.7 or A8 - A15 from DPH
Figure 24
Data Memory Write Cycle
XTAL1
TCL _H
Figure 25
External Clock Drive on XTAL1
t_R
TCL _L
CLP
t_WHQX
A0 - A7
from PCL
Instr.IN
A8 - A15 from PCH
MCT00098
t_F
0.7 VV_CDCD
0.2 VV_CDCD- 0.1
MCT03310
Semiconductor Group
50