Intel® Arria® 10 Hard Processor System Technical Reference Manual

ID 683711
Date 1/10/2023
Public

A newer version of this document is available. Customers should click here to go to the newest version.

Document Table of Contents

A.4.4.2.2. CSEL Settings for the NAND Controller

Table 317.  NAND Controller Clock Options Based on CSEL and HPS_CLK fuse settings
Note: The osc1_clk signal is sourced from the external oscillator input, HPS_CLK1.

CSEL [3:0] Fuse Values

HPS CLK Fuse Value

Required Input Clock Range

l4_mp_clk l4_mp_clk Frequency nand_clk PLL Status

0x0-0x1 and 0x3-0xF

1 60-200 MHz (Secure bypass) cb_intosc_hs_clk 60-200 MHz 15-50 MHz Bypassed
0x2 1 30-100 MHz (Secure PLL) cb_intosc_ls_clk*2 60-200 MHz 15-50 MHz Locked
0x1 0 10-50 MHz (Untouched PLL) osc1_clk 10-50 MHz 2.50-12.5 MHz Untouched
0x0 and 0x2-0x6 0 10-50 MHz (PLL bypass) osc1_clk 10-50 MHz 2.50-12.5 MHz Bypassed

0x7

0 10-15 MHz osc1_clk*13.33 133.33-200 MHz 33.33-50 MHz Locked

0x8

0 15-20 MHz osc1_clk*10 150-200 MHz 37.50-50 MHz Locked
0x9 0 20-25 MHz osc1_clk*8 160-200 MHz 40-50 MHz Locked
0xA 0 25-30 MHz osc1_clk*6.66 166.66-200 MHz 41.66-50 MHz Locked
0xB 0 30-35 MHz osc1_clk*5.71 171.43-200 MHz 42.85-50 MHz Locked
0xC 0 35-40MHz osc1_clk*5 175-200 MHz 43.75-50 MHz Locked
0xD 0 40-45MHz osc1_clk*4.44 177.78-200 MHz 44.45-50 MHz Locked
0xE 0 45-50MHz osc1_clk*4 180-200 MHz 45-50 MHz Locked