EM78P257
OTP ROM
IRC 1M and 4M Hz OSC Frequency (VDD=5V)
6
5
4
3
2
1
0
OSC = 4MHz
OSC = 1MHz
0
10
20
30
40
50
60
70
Temperature(℃)
Fig. 41 Internal RC 1M and 4MHz OSC Frequency vs. Temperature Join Process Drifts, VDD=5V
IRC 32K and 455KHz OSC Frequency (VDD=5V)
700
OSC = 455KHz
600
500
400
300
200
100
OSC = 32KHz
0
0
10
20
30
40
50
60
70
Temperature(℃)
Fig. 42 Internal RC 32K and 455KHz OSC Frequency vs. Temperature Join Process Drifts VDD=5V
Four conditions exist with the Operating Current ICC1 to ICC4. These conditions are as follows:
ICC1: VDD=3V, Fosc=32K Hz, 2 clocks, WDT disable
This specification is subject to change without prior notice.
06.27.2003(V1.2)
80
ELAN [ ELAN MICROELECTRONICS CORP ]
