SM79164 Datasheet, PDF (18/25 Pages) SyncMOS Technologies,Inc – 8 - Bit Micro-controller with 64KB flash & 4KB RAM embedded

SyncMOS Technologies International. Inc.
SM79164
Application Reference
Valid for SM79164
X'tal 3MHz 6MHz
C1 30 pF 30 pF
C2 30 pF 30 pF
R
open open
9MHz
30 pF
30 pF
open
12MHz
30 pF
30 pF
open
X'tal 16MHz 25MHz 33MHz
C1 30 pF
15 pF 5 pF
C1
C2 30 pF 15 pF 5 pF
R
open 62KΩ 6.8KΩ
X'tal
R
C2
XI
SSMM7799116644
X2
NOTE: Oscillation circuit may differs with different crystal or ceramic
resonator in higher oscillation frequency which was due to each
crystal or ceramic resonator has its own characteristics.
User should check with the crystal or ceramic resonator manufacturer
for appropriate value of external components.
Data Memory Read Cycle Timing
T12
T1 T2
T3 T4
T5
T6
T7
OSC
T8 T9
T10 T11 T12 T1
T2 T3
ALE
#PSEN
#RD
PORT2
ADDRESS A15 - A8
PORT0
INST in Float
A7 - A0
Float
DATA in
Float
ADDRESS
or Float
Specifications subject to change without notice,contact your sales representatives for the most recent information.
18/26
Ver 2.1 SM79164 08/2006