UPD70208HGF-16-3B9 NEC, UPD70208HGF-16-3B9 Datasheet - Page 83
UPD70208HGF-16-3B9
Manufacturer Part Number
UPD70208HGF-16-3B9
Description
V40HLTM/ V50HLTM 16/8/ 16-BIT MICROPROCESSOR
Manufacturer
NEC
Datasheet
1.UPD70208HGF-16-3B9.pdf
(110 pages)
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Part Number:
UPD70208HGF-16-3B9
Manufacturer:
NEC
Quantity:
20 000
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RECOMMENDED OSCILLATOR
(1) Ceramic resonator connection (T
(2) External clock input
The clock input circuits (1) and (2) shown below are recommended.
Caution The high-speed CMOS inverter should be as close as possible to the X1 and X2 pins.
Cautions 1. The oscillator should be as close as possible to the X1 and X2 pins.
2. No other signal lines should pass through the area enclosed in dashed line.
3. V40HL, V50HL and resonator matching requires careful evaluation.
4. The values of the oscillator constants C1 and C2 depend on the characteristics of the
External Clock
resonator used. Evaluate them with the resonator actually used.
Note
X1
Murata Mfg.
Co., Ltd.
Manufacturer
TDK Corp.
Use the CAS20.00MXZ040 within the range of V
X2
A
Frequency
(f
= –40 to +85 C, V
High-speed
CMOS
Inverter
XX
12.5
) [MHz]
20
16
10
20
16
10
Data Sheet U13225EJ4V0DS00
X1
CSA20.00MXZ040
CSA16.00MXZ040
CSA16.00MXW0C3
CSA12.5MTZ
CSA12.5MTW
CSA10.0MTZ
CST10.0MXW
FCR20.0M2G
FCR16.0M2G
FCR10.0MC
C1
Product Name
DD
or
= 3 V 10%
X2
C2
Note
External Clock
Note
C1 [pF]
Recommended
10
15
30
30
10
15
–
–
–
–
X1
)
Constant
DD
= 2.9 to 3.3 V.
C2 [pF]
10
15
30
30
10
15
PD70208H, 70216H
–
–
–
–
High-speed
CMOS
Inverter
Open
X2
83
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