Datasheet

CHAPTER 19 ELECTRICAL SPECIFICATIONS
User’s Manual U18172EJ3V0UD
296
High-Speed Internal Oscillator Characteristics
(1) μ PD78F920x (TA = −40 to +85°C, VDD = 2.0 to 5.5 V
Note 1
, VSS = 0 V)
Resonator Parameter Conditions MIN. TYP. MAX. Unit
TA = −10 to +70°C ±3 %
Oscillation frequency (fX = 8
MHz
Note 2
) deviation
2.7 V ≤ V
DD ≤ 5.5 V
T
A = −40 to +85°C
±5 %
High-speed internal
oscillator
Oscillation frequency (f
X)
Note 2
2.0 V ≤ VDD < 2.7 V 5.5 MHz
Notes 1. Use this product in a voltage range of 2.2 to 5.5 V because the detection voltage (V
POC) of the power-on-
clear (POC) circuit is 2.1 V ±0.1 V.
2. Indicates only oscillator characteristics. Refer to AC Characteristics for instruction execution time.
(2)
μ PD78F950x (TA = −40 to +85°C, VDD = 2.0 to 5.5 V
Note 1
, VSS = 0 V)
Resonator Parameter Conditions MIN. TYP. MAX. Unit
TA = −10 to +85°C ±2 % 2.7 V ≤ VDD ≤ 5.5 V
T
A = −40 to +85°C ±5 %
High-speed internal
oscillator
Oscillation frequency (f
X)
Note 2
2.0 V ≤ V
DD < 2.7 V 5.5 MHz
Notes 1. Use this product in a voltage range of 2.2 to 5.5 V because the detection voltage (VPOC) of the power-on-
clear (POC) circuit is 2.1 V ±0.1 V.
2. Indicates only oscillator characteristics. Refer to AC Characteristics for instruction execution time.
Low-Speed Internal Oscillator Characteristics (T
A = −40 to +85°C, VDD = 2.0 to 5.5 V
Note
, VSS = 0 V)
Resonator Parameter Conditions MIN. TYP. MAX. Unit
Low-speed internal oscillator Oscillation frequency (fRL) 120 240 480 kHz
Note Use this product in a voltage range of 2.2 to 5.5 V because the detection voltage (VPOC) of the power-on clear
(POC) circuit is 2.1 V ±0.1 V.
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