SyncMOS Technologies International, Inc.

SM8951A/8952A

8-Bits Micro-controller

With 4/8KB flash embedded

Specifications subject to change without notice contact your sales representatives for the most recent information.

Ver 2.1

SM8951A/8952A 08/2006

9

Application Reference

Valid for SM8958A

X'tal

3MHz

6MHz

9MHz

12MHz

C1

30 pF

30 pF

30 pF

30 pF

C2

30 pF

30 pF

30 pF

30 pF

R

open

open

open

Open

X'tal

16MHz

25MHz

33MHz

40MHz

C1

30 pF

15 pF

5 pF

2 pF

C2

30 pF

15 pF

5 pF

2 pF

R

open

62KΩ

6.8KΩ

4.7KΩ

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