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UPD178024 Datasheet(PDF) 28 Page - Renesas Technology Corp

No. de pieza UPD178024
Descripción Electrónicos  MOS INTEGRATED CIRCUIT
PDF  58 Pages
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Fabricante Electrónico  RENESAS [Renesas Technology Corp]
Página de inicio  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

UPD178024 Datasheet(HTML) 28 Page - Renesas Technology Corp

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µPD178023, 178024
Data Sheet U14126EJ2V0DS00
3.7 PLL Frequency Synthesizer
Figure 3-11. Block Diagram of PLL Frequency Synthesizer
Internal Bus
Internal Bus
PLL Mode
Select Register
(PLLMD)
PLL
Data Transfer
Register (PLLNS)
PLL
NS0
PLL
MD0
PLL
MD1
PLL
RF2
PLL
RF1
PLL
RF0
PLL
UL0
PLL Reference
Mode Register
(PLLRF)
PLL Unlock
F/F Judge Register
(PLLUL)
PLL
RF3
2
Input Select
Block
Programmable
Divider
Phase
Comparator
( -DET)
Unlock
F/F
Reference
Frequency
Generator
4.5 MHz
4
Charge
Pump
EO1
EO0
VCOH
VCOL
Mixer
2
fN
fr
PLL Data Register
(PLLRL, PLLRH, PLLR0)
φ
Voltage
Control
Generator
Lowpass
Filter
Note
Note
VCOL
DMD
VCOH
DMD
Note
External circuit.



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