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参数资料
| 型号： | SM79108L25 |
| 厂商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 8-Bit Micro-controller with 8KB flash & 256 Bytes RAM embedded |
| 中文描述： | 8位微控制器与8KB闪存 |
| 文件页数： | 21/26页 |
| 文件大小： | 590K |
| 代理商： | SM79108L25 |
January 2003
Specifications subject to change without notice,contact your sales representatives for the most recent information.
21/26
Preliminary Ver 1.0
SM79108 01/03
SyncMOS Technologies Inc. SM79108
Preliminary
Tm.III External Data Memory Write Cycle
#PSEN
ALE
#WR
PORT 0
PORT 2
TLHLL
TYHLH
TAVLL
TLLAX
TQVWX
TLLYL
TAVYL
TWLWH
TWHQX
TQVWH
A0-A7
From PCL
INSTRL
IN
P2.0-P2.7 or A8-A15 from DPH
A8-A15 from PCH
A0-A7
from Ri or DPL
DATA OUT
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.
XI
X2
SM79108
X'tal
R
C1
C2
Application Reference
Valid for SM79108
X’tal
3MHz
6MHz
12MHz
16MHz
C1
30pF
30pF
30pF
30pF
C2
30pF
30pF
30pF
30pF
R
open
open
open
open
X’tal
20MHz
25MHz
33MHz
40MHz
C1
22pF
15pF
5pF
2pF
C2
22pF
15pF
62K
5pF
6.8K
2pF
4.7K
R
open
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