Intel® Arria® 10 Hard Processor System Technical Reference Manual

ID 683711
Date 8/28/2023
Public
Document Table of Contents

A.4.4.2.2. CSEL Settings for the NAND Controller

Table 318.  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