參數(shù)資料
型號: UPD70216H
廠商: NEC Corp.
英文描述: V40HLTM, V50HLTM 16/8, 16-BIT MICROPROCESSOR
中文描述: V40HLTM,V50HLTM 16 / 8,16位微處理器
文件頁數(shù): 83/110頁
文件大小: 625K
代理商: UPD70216H
83
μ
PD70208H, 70216H
Data Sheet U13225EJ4V0DS00
RECOMMENDED OSCILLATOR
The clock input circuits (1) and (2) shown below are recommended.
(1) Ceramic resonator connection (T
A
= –40 to +85
°
C, V
DD
= 3 V
±
10%
Note
)
Recommended
Constant
Frequency
(f
XX
) [MHz]
20
16
12.5
10
20
16
10
10
15
30
30
10
15
10
15
30
30
10
15
C1 [pF]
C2 [pF]
Murata Mfg.
Co., Ltd.
Manufacturer
Product Name
CSA20.00MXZ040
Note
CSA16.00MXZ040
CSA16.00MXW0C3
CSA12.5MTZ
CSA12.5MTW
CSA10.0MTZ
CST10.0MXW
FCR20.0M2G
FCR16.0M2G
FCR10.0MC
TDK Corp.
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
resonator used. Evaluate them with the resonator actually used.
or
X1
X2
C1
C2
X1
X2
External Clock
High-speed
CMOS
Inverter
X1
X2
External Clock
High-speed
CMOS
Inverter
Open
Note
Use the CAS20.00MXZ040 within the range of V
DD
= 2.9 to 3.3 V.
(2) External clock input
Caution The high-speed CMOS inverter should be as close as possible to the X1 and X2 pins.
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