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EM78P447NAM Datasheet(PDF) 27 Page - ELAN Microelectronics Corp

Part # EM78P447NAM
Description  8-BIT MICRO-CONTROLLER
Download  57 Pages
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Manufacturer  EMC [ELAN Microelectronics Corp]
Direct Link  http://www.emc.com.tw
Logo EMC - ELAN Microelectronics Corp

EM78P447NAM Datasheet(HTML) 27 Page - ELAN Microelectronics Corp

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EM78P447N
OTP ROM
OSCI
EM 78P447S
VCC
Rext
Cext
Fig. 12 External RC Oscillator Mode Circuit
Table 10 RC Oscillator Frequencies
Cext
Rext
Average Fosc 5V,25
°C Average Fosc 3V,25°C
3.3k
4.32 MHz
3.56 MHz
5.1k
2.83 MHz
2.8 MHz
10k
1.62MHz
1.57 MHz
20 pF
100k
184 KHz
187 KHz
3.3k
1.39 MHz
1.35 MHz
5.1k
950 KHz
930 KHz
10k
500 KHz
490 KHz
100 pF
100k
54KHz
55 KHz
3.3k
580 KHz
550 KHz
5.1k
390 KHz
380 KHz
10k
200 KHz
200 KHz
300 pF
100k
21 KHz
21 KHz
<Note>
1. Measured on DIP packages.
2. For design reference only.
4.8 CODE Option Register
The EM78P447N has one CODE option word that is not a part of the normal program memory. The
option bits cannot be accessed during normal program execution.
Code Option Register and Customer ID Register arrangement distribution:
Word 0
Word 1
Bit12~Bit0
Bit12~Bit0
This specification is subject to change without prior notice.
10.21.2004 (V1.0)
27


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