ELECTRICAL DATAS3C84E5/C84E9/P84E9

Table 17-12. LVR (Low Voltage Reset) Circuit Characteristics

(TA = 25 °C)

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

LVR voltage level

VLVR

TA = 25 °C

2.6

2.9

3.2

V

Main Oscillator Frequency

 

 

 

 

 

CPU Clock

 

 

 

 

 

 

12 MHz

 

 

 

 

 

 

8 MHz

 

 

 

 

 

 

1 MHz

 

 

 

 

 

 

1

2

3

4

5

6

7

 

 

VLVR

 

 

5.5 V

 

 

 

Supply Voltage (V)

 

 

 

Minimum instruction clock = 1/4 Oscillator clock

Figure 17-8. Operating Voltage Range

104

VDD

VSS

S3C84E5/C84E9/

P84E9

Figure 17-9. The Circuit Diagram to Improve EFT Characteristics

NOTE: To improve EFT characteristics, we recommend using power capacitor near S3C84E5/C84E9/P84E9 like Figure 17-9.

17-12

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Samsung S3C84E5 user manual LVR Low Voltage Reset Circuit Characteristics, 17-12