EM78451AP EMC [ELAN Microelectronics Corp], EM78451AP Datasheet - Page 46

• Manufacturer Part Number: EM78451AP
• Description: 8-Bit Microcontroller
• Manufacturer: EMC [ELAN Microelectronics Corp]

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