UPD78F0138 NEC, UPD78F0138 Datasheet - Page 472

• Manufacturer Part Number: UPD78F0138
• Description: (UPD78xxxx) 8-Bit Single-Chip Microcontrollers
• Manufacturer: NEC

Recommended Oscillator Constants
472
Note When the REGC pin is connected to V
Caution The oscillator constants shown above are reference values based on evaluation in a specific
Caution For the resonator selection of the
X1 oscillation: Ceramic resonator (T
(
Manufacturer
Murata Mfg.
µ
PD780131, 780132, 780133, 780134, 780136, 780138, 78F0134, and 78F0138)
CHAPTER 29 ELECTRICAL SPECIFICATIONS (STANDARD PRODUCTS, (A) GRADE PRODUCTS)
780138(A), 78F0134(A), and 78F0138(A) and oscillator constants, users are required to either
evaluate the oscillation themselves or apply to the resonator manufacturer for evaluation.
environment by the resonator manufacturer.
characteristics in the actual application, apply to the resonator manufacturer for evaluation on
the implementation circuit. The oscillation voltage and oscillation frequency only indicate the
oscillator characteristic. Use the 78K0/KE1 so that the internal operation conditions are within
the specifications of the DC and AC characteristics.
CSTCC2M00G56-R0
CSTCR4M00G55-R0
CSTCR4M00G55U-R0
CSTLS4M00G56-B0
CSTLS4M00G56U-B0
CSTCR4M19G55-R0
CSTCR4M19G55U-R0
CSTLS4M19G56-B0
CSTLS4M19G56U-B0
CSTCR4M91G53-R0
CSTCR4M91G53U-R0
CSTLS4M91G53-B0
CSTLS4M91G53U-B0
CSTCR5M00G53-R0
CSTCR5M00G53U-R0
CSTLS5M00G53-B0
CSTLS5M00G53U-B0
CSTCR6M00G53-R0
CSTCR6M00G53U-R0
CSTLS6M00G53-B0
CSTLS6M00G53U-B0
CSTCE8M00G52-R0
CSTLS8M00G53-B0
CSTLS8M00G53U-B0
CSTCE10M0G52-R0
CSTLS10M0G53-B0
CSTLS10M0G53U-B0
Part Number
A
= −40 to +85°C)
SMD/
Lead
SMD
Lead
SMD
Lead
SMD
Lead
SMD
Lead
SMD
Lead
SMD
Lead
SMD
Lead
SMD
User’s Manual U16228EJ2V0UD
SS
via a capacitor (1
Frequency
µ
(MHz)
PD780131(A), 780132(A), 780133(A), 780134(A), 780136(A),
4.194
4.915
2.00
4.00
5.00
6.00
8.00
10.0
Internal
Internal
Internal
Internal
Internal
Internal
Internal
Internal
Internal
Internal
Internal
Internal
Internal
Internal
Internal
Circuit Constants
Recommended
(pF)
(47)
(39)
(47)
(39)
(47)
(15)
(15)
(15)
(15)
(15)
(15)
(10)
(15)
(10)
(15)
C1
If it is necessary to optimize the oscillator
µ
F: recommended).
Internal
Internal
Internal
Internal
Internal
Internal
Internal
Internal
Internal
Internal
Internal
Internal
Internal
Internal
Internal
(pF)
(47)
(39)
(47)
(39)
(47)
(15)
(15)
(15)
(15)
(15)
(15)
(10)
(15)
(10)
(15)
C2
When Capacitor
Is Connected to
MIN.
REGC Pin
(V)
4.0
−
Oscillation Voltage Range
MAX.
(V)
5.5
Note
−
Directly to V
MIN.
2.95
3.25
REGC Pin Is
2.7
4.0
(V)
Connected
MAX.
(V)
5.5
DD