AX58200 datasheet(57/180 Pages) ASIX

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AX58200

EtherCAT Slave Controller SoC

2.3.2

Clock Generator

The clock generator consists of 5 clock sources, which are listed below:

⚫

32.768 KHz external low speed crystal oscillator (LXT)

⚫

4~24 MHz external high speed crystal oscillator (HXT)

⚫

Programmable PLL output clock frequency (PLLFOUT), PLL source can be selected from

external 4~24 MHz external high speed crystal (HXT) or 12 MHz internal high speed oscillator

(HIRC)

⚫

12 MHz internal high speed RC oscillator (HIRC)

⚫

10 KHz internal low speed RC oscillator (LIRC)

XT1_OUT

External 4~24

MHz Crystal

(HXT)

HXTEN (CLK_PWRCTL[0])

XT1_IN

Internal 12 MHz

Oscillator

(HIRC)

HIRCEN (CLK_PWRCTL[2])

PLL

PLLSRC (CLK_PLLCTL[19])

PLL FOUT

X32_OUT

External 32.768

kHz Crystal

(LXT)

LXT

LXTEN (CLK_PWRCTL[1])

X32_IN

Internal 10 kHz

Oscillator

(LIRC)

LIRCEN (CLK_PWRCTL[3])

HXT

HIRC

LIRC

Figure 2.3-2: Clock Generator Block Diagram

AX58200 Datasheet(PDF) 57 Page - ASIX Electronics Corporation

AX58200 Datasheet(HTML) 57 Page - ASIX Electronics Corporation

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