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EM78451AP Datasheet(PDF) 46 Page - ELAN Microelectronics Corp

Part # EM78451AP
Description  8-Bit Microcontroller
PDF  54 Pages
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Manufacturer  EMC [ELAN Microelectronics Corp]
Direct Link  http://www.emc.com.tw
Logo EMC - ELAN Microelectronics Corp

EM78451AP Datasheet(HTML) 46 Page - ELAN Microelectronics Corp

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EM78451
8-Bit Microcontroller
42
•
Product Specification (V1.2) 05.27.2004
(This specification is subject to change without further notice)
Calibrate frequency of External RC oscillator (For reference only)
C ext
R ext
Fosc @5.0V,25℃
3.3K
3.4MHz
5.1K
2.2MHz
10K
1.3MHz
20pF
100K
144KHz
3.3K
1.39MHz
5.1K
935KHz
10K
500KHz
100pF
100K
54.5KHz
3.3K
740KHz
5.1K
490KHz
10K
255KHz
300pF
100K
28KHz
Internal C, external R Table (For reference only)
External R (Ohm)
Fosc @5.0V, 25℃ (Hz)
10K
12M
15K
7.7M
20K
5.7M
30K
3.65M
51K
2.24M
100K
1.14M
150K
749K
200K
559K
510K
214K
2M
56K
3.3M
32.8K
4.10 Code Option Register
0
1
2
3
4
5
6
ENWDT
MS
HLF
-
RCT
DEL1
DEL0
Bit 0 (ENWDT): Watchdog Timer control.
1: Enable
0: Disable
Bit 1 (MS): Oscillator type.
1: XTAL type
0: RC type



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