LC651306A/04A/02A/01A
Parameter
Symbol
Oscillation characteristics
Ceramic resonator
Frequency
fCFOSC
(Note 7)
Oscillation stabilizing tCFS
time
(Note 8)
Two-pin RC oscillator
frequency
Pull-up resistance
I/O port
RES
External
reset
characteristics
Reset time
Pin capacitance
fMOSC
RPP
Ru
tRST
Cp
Serial clock
Input clock Cycle time tCKCY(1)
Output clock Cycle
time
Input clock low level
pulse width
Output clock low
level pulse width
Input clock high level
pulse width
Output clock high level
pulse width
Serial input
Data setup time
Data hold time
Serial output
Output delay time
tCKCY(2)
tCKL(1)
tCKL(2)
tCKH(1)
tCKH(2)
tICK
tCKI
tCKO
Conditions
Pin
Ratings
unit
min.
typ.
max.
• Fig. 3 fo=400kHz
• Fig. 3 fo=800kHz
• Fig. 3 fo=1MHz
• Fig. 3 fo=4MHz, with no divider,
divide-by-three, or divide-by-four circuit
• Fig. 4 fo=400kHz
• Fig. 4 fo=800kHz, 1MHz, or 4MHz,
with no divider, divide-by-three, or
divide-by-four circuit
• Fig. 2 Cext=270pF±5%
• Fig. 2 Rext=5.6kΩ±1%
• Output N-channel transistors off
• VIN=VSS VDD=5V
VIN=VSS VDD=5V
OSC1,OSC2
OSC1,OSC2
OSC1,OSC2
OSC1,OSC2
OSC1, OSC2
Pull-up
resistor
specification port
RES
392
784
980
3920
587
8
200
400
800
1000
4000
800
14
500
408 kHz
816
1020
4080
10
ms
10
1298 kHz
30
KΩ
800
f=1MHz,
Pins except for tested pins, VIN=VSS
SCK
Fig. 6
Fig. 6
SCK
Fig. 6
SCK
Fig. 6
SCK
Fig. 6
SCK
Fig. 6
SCK
Specified for the rising edge of SCK
SI
Fig. 6
SI
• Specified for the falling edge of SCK
SO
• Select only Nch OD option, and add
external 1kΩ resistor and external 50pF
capacitor.
• Fig. 6
See Fig.5
10
pF
2.0
µs
64×tCYC
(Note 9)
0.6
32×tCYC
0.6
32×tCYC
0.2
0.2
0.4
No.6727-13/21