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uPD2810 PLL Integrated Circuits

PinNameDecription
1P1Binary programable input 1
2P2Binary programable input 2
3P3Binary programable input 3
4P4Binary programable input 4
5P5Binary programable input 5
6P6Binary programable input 6
7P7Binary programable input 7
8TDivided by 2 input
9QDivided by 2 output
10IFSIF Frequency Select
11T/RTransmit=LOW Receive=HIGH
12VDDPositive Power Supply (+5Volt)
13RORefeerency oscillator Output (X-tal)
14RIReferency oscillator Input (X-tal)
15RBReference divider output (Buffered)
161/2RReferency frequency divided by 2
17LDLoop Detector - HIGH=Locked LOW=Unlocked
18VDDPositive Power Supply (+5Volt)
19PD outPhase Detector output
20AILoop filter Amplifier Input
21AOLoop filter Amplifier Output
22FSFunction Select - HIGH=10kHz step LOW=5kHz step
23GNDGround
24FINVCO Oscillator Input

Explanation of pin function terms



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