SM8051 Datasheet, PDF (10/16 Pages) SyncMOS Technologies,Inc – 8 - Bit Micro-controller with 4/8KB ROM embedded

SyncMOS Technologies Inc.
May 2001
SM8051/80952
Program Memory Read Cycle Timing
OSC
T12 T1 T2
T3
T4
T5
T6
T7
T8
T9 T10 T11 T12
T1
T2
ALE
1
2
#PSEN
#RD,#WR
5
7
PORT2
PORT0
3
ADDRESS A15 - A8
ADDRESS A15 - A8
Float
3
A7 - A0
4
6
Float
INST in
8
Float
A7 - A0 Float
INST in
Float
Data Memory Write Cycle Timing
T12
T1
T2
T3
T4
T5 T6
T7
T8 ^T9
T10 T11 T12
T1
T2
T3
OSC
1
ALE
#PSEN
#WR
PORT2
PORT0
2
INST
Float
2
A7 - A0
5
6
ADDRESS A15 - A8
3
DATA OUT
4
ADDRESS
or Float
Specifications subject to change without notice,contact your sales representatives for the most recent information.
10/16
Ver 1.1
SM8051/8052 07/2005