Chapter 1 Overview
14 Electrical Characteristics
1-5-2 Operating Conditions

Ta=–40to +85°C VDD=2.0 to 5.5V VSS=0V

Note: *1. Only for 48-QFH package

2t c1, t c2, t c3: OSC1 is the CPU clock

t c4: XI is the CPU clock

Parameter Symbol Conditions Rating Unit
MIN TYP MAX
Supply voltage
1V
DD1 fosc 20.0MHz 4.5 5.5
2Supply voltage VDD2 fosc 8.39MHz 2.7 5.5 V
3during operation VDD3 fosc 2.00MHz 2.0 5.5
4V
DD4 *1fx = 32.768kHz 2.0 5.5
5
Voltage to maintain RAM data
VDD5 STOP mode 1.8 5.5
Operating speed 2
6 tc1 VDD=4.5
to
5.5V 0.100
7
Instruction execution time
tc2 VDD=2.7
to
5.5V 0.238 µs
8 tc3 VDD=2.0
to
5.5V 1.00
9 tc4 *1VDD=2.0
to
5.5V 40 125
Crystal oscillator 1 Fig. 1-5-1
10 Crystal frequency fxtal 1 VDD=4.5
to
5.5V 1.0 20.0 MHz
11 External capacitors C11 20 pF
12 C12 20
13
Internal feedback resistor
RF10 700 k
Crystal oscillator 2 Fig. 1-5-2*1
14 Crystal frequency fxtal 2 32.768 kHz
15 External capacitors C21 20 pF
16 C22 20
17
Internal feedback resistor
RF20 4.0 M
OSC1
700k
Typ
OSC2
MN101C
fxtal1
C12 C11
XI
4.0M
Typ
XO
MN101C
fxtal2
C22 C21

The instruction cycle is twice the clock cycle.

The feedback resistor is built-in.

Figure 1-5-1 Crystal Oscillator 1

The instruction cycle is four times the clock cycle.

The feedback resistor is built-in.

Figure 1-5-2 Crystal Oscillator 2 *1