P89C738ABB View Datasheet(PDF) - Philips Electronics
Part Name
Description
MFG CO.
'P89C738ABB' PDF : 64 Pages View PDF
Philips Semiconductors
8-bit Flash microcontrollers
21.2 Timing waveforms
Product specification
P89C738; P89C739
handbook, full pagewidth
ALE
PSEN
PORT 0
PORT 2
tLHLL
tAVLL
tLLPL
tPLPH
tPLIV
tLLAX
tPLAZ
tPXIX
tPXIZ
A0 to A7
instr in
tLLIV
tAVIV
A0 to A15
A0 to A7
A8 to A15
Fig.33 External program memory read cycle.
MGK206
handbook, fullApLagEewidth
PSEN
RD
PORT 0
PORT 2
tLLDV
tLLWL
tRLRH
tWHLH
tAVLL
tRLAZ
tLLAX
A0 to A7
from RI or DPL
tAVWL
tAVDV
tRLDV
tRHDX
tRHDZ
data in
P2.0 to P2.7 or A8 to A15 from DPH
A0 to A7 from PCL
instr in
A0 to A15 from PCH
MGK207
Fig.34 External data memory read cycle.
1998 Apr 07
58
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