UPD789304 Datasheet, PDF (40/64 Pages) NEC – 8-BIT SINGLE-CHIP MICROCONTROLLER

µPD789304, 789306, 789314, 789316
RC Oscillation Frequency Characteristics (TA = –40 to +85°C)
Parameter
Oscillation frequency
Symbol
fCC1
fCC2
fCC3
fCC4
fCC5
fCC6
fCC7
fCC8
fCC9
Conditions
R = 11.0 kΩ, C = 22 pF
Target: 2 MHz
VDD = 2.7 to 5.5 V
VDD = 1.8 to 3.6 V
VDD = 1.8 to 5.5 V
R = 6.8 kΩ, C = 22 pF
Target: 3 MHz
VDD = 2.7 to 5.5 V
VDD = 1.8 to 3.6 V
VDD = 1.8 to 5.5 V
R = 4.7 kΩ, C = 22 pF
Target: 4 MHz
VDD = 2.7 to 5.5 V
VDD = 1.8 to 3.6 V
VDD = 1.8 to 5.5 V
MIN.
1.5
0.5
0.5
2.5
0.75
0.75
3.5
1.0
1.0
TYP.
2.0
2.0
2.0
3.0
3.0
3.0
4.0
4.0
4.0
MAX.
2.5
2.5
2.5
3.5
3.5
3.5
4.7
4.7
4.7
Unit
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
Remarks 1. Set the RC to one of the above nine values so that the typical value of the oscillation frequency is
within 2.0 to 4.0 MHz.
2. The resistor (R) and capacitor (C) error is not included.
40
Data Sheet U14384EJ1V0DS