Kontron COMe-cP2020 Manual de usuario descargar pdf (Pagina 50)

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COMe-P2020 User Guide

Table 3-18: 0x00E: User Core1 Speed Register

ACTION D7 D6 D5 D4 D3 D2 D1 D0

READ NU NU NU NU NU NU NU cfg_core1_sp

eed

WRITENUNUNUNUNUNUNUcfg_core1_sp

eed

POWER UP11111111

BITFIELD DESCRIPTION

[D0] 00 Core 1 clock frequency is less than or equal to 1000 MHz.

01 Core 1 clock frequency is greater than 1000 MHz.

N O T I C E

(write Register value to 0x00). Equivalent CPU strapping is hard coded in CPLD depends on board vari-

ant!

Table 3-19: 0x00F: User SerDes OLL Time-out Enable Register

ACTION D7 D6 D5 D4 D3 D2 D1 D0

READ NU NU NU NU NU NU NU cfg_srds_pll

_toe

WRITENUNUNUNUNUNUNUcfg_srds_pll

_toe

POWER UP11111111

BITFIELD DESCRIPTION

[D0] 00 Enable PLL lock time-out counter. The power-on-reset sequence

waits for the SerDes PLL to lock while the time-out counter has not

expired.

01 Disable PLL lock time-out counter. The power-on-reset sequence

waits indefinately for the SerDes PLL to lock.

1 2 ... 45 46 47 48 49 50 51 52 53 54 55 ... 105 106

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Kontron COMe-cP2020 Manual de usuario Pagina 50