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UPD178016 Scheda tecnica(PDF) 21 Page - NEC

Il numero della parte UPD178016
Spiegazioni elettronici  8-BIT SINGLE-CHIP MICROCONTROLLER
PDF  56 Pages
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Produttore elettronici  NEC [NEC]
Homepage  http://www.nec.com/
Logo NEC - NEC

UPD178016 Scheda tecnica(HTML) 21 Page - NEC

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µPD178004, 178006, 178016, 178018
5.7 PLL FREQUENCY SYNTHESIZER
Figure 5-10. PLL Frequency Synthesizer Block Diagram
Internal Bus
Internal Bus
PLL Mode
Select Register
PWM
Data Transfer Register
PLL
NS0
PLL
MD0
PLL
MD1
PLL
RF2
PLL
RF1
PLL
RF0
PLL
UL0
EOC
ON0
EO Select
Register
PLL Reference
Mode Register
PLL Unlock
FF Judge
Register
PLL
RF3
2
Input Select
Block
Programmable
Divider
Phase
Comparator
( -DET)
Unlock
FF
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
Low pass
Filter
Note
Note
Note
External circuit



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