NEC 78K0R/KE3 User Manual page 713

16-bit single-chip microcontrollers
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<R>
(4) X1 oscillation: Crystal resonator (AMPH = 1, RMC = 00H, T
Manufacturer
KYOCERA
KINSEKI
Co., Ltd.
Caution The oscillator constants shown above are reference values based on evaluation in a specific
environment by the resonator manufacturer.
characteristics in the actual application, apply to the resonator manufacturer for evaluation on
the implementation circuit.
When doing so, check the conditions for using the AMPH bit, RMC register, and whether to enter
or exit the STOP mode.
The oscillation voltage and oscillation frequency only indicate the oscillator characteristic. Use
the 78K0R/KE3 so that the internal operation conditions are within the specifications of the DC
and AC characteristics.
CHAPTER 27 ELECTRICAL SPECIFICATIONS (STANDARD PRODUCTS)
Part Number
HC49SFWB16000D0PPTZZ
CX49GFWB16000D0PPTZZ
CX1255GB16000D0PPTZZ
CX8045GB16000D0PPTZZ
CX5032GB16000D0PPTZZ
CX5032SB16000D0PPTZZ
CX3225GB16000D0PPTZZ
CX3225SB16000D0PPTZZ
CX2520SB16000D0PPTZZ
HC49SFWB20000D0PPTZZ
CX49GFWB20000D0PPTZZ
CX1255GB20000D0PPTZZ
CX8045GB20000D0PPTZZ
CX5032GB20000D0PPTZZ
CX5032SB20000D0PPTZZ
CX3225GB20000D0PPTZZ
CX3225SB20000D0PPTZZ
CX2520SB20000D0PPTZZ
CX2016SB20000D0PPTZZ
= −40 to +85°C)
A
SMD/
Frequency
Recommended Circuit
Lead
(MHz)
C1 (pF)
Lead
16.0
10
SMD
Lead
20.0
10
SMD
If it is necessary to optimize the oscillator
User's Manual U17854EJ9V0UD
Standard Products
Oscillation Voltage Range
Constants
C2 (pF)
MIN. (V)
10
1.8
10
2.3
MAX. (V)
5.5
713

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