Intel® Cyclone® 10 LP Core Fabric and General Purpose I/Os Handbook

ID 683777
Date 2/15/2023
Public
Document Table of Contents

4.2.13.1.2. Scan Chain

The Intel® Cyclone® 10 LP PLLs have a 144-bit scan chain.

Table 18.  PLL Component Reprogramming Bits
Block Name Number of Bits
Counter Other Total
C4 11 16 2 12 18
C3 16 2 12 18
C2 16 2 12 18
C1 16 2 12 18
C0 16 2 12 18
M 16 2 12 18
N 16 2 12 18
Charge Pump 9 0 9
Loop Filter13 9 0 9
Total number of bits 144
Figure 57. PLL Component Scan Chain Order
Figure 58. PLL Post-Scale Counter Scan Chain Bit Order
11 LSB bit for C4 low-count value is the first bit shifted into the scan chain.
12 These two control bits include rbypass, for bypassing the counter, and rselodd, for selecting the output clock duty cycle.
13 MSB bit for loop filter is the last bit shifted into the scan chain.