NUTINY-SDK-M0516 Nuvoton Technology Corporation of America, NUTINY-SDK-M0516 Datasheet - Page 106

• Manufacturer Part Number: NUTINY-SDK-M0516
• Description: BOARD EVAL NUMICRO M051 SERIES
• Manufacturer: Nuvoton Technology Corporation of America
• Series: NuMicro M051™r
• Type: MCUr

Specifications of NUTINY-SDK-M0516

• Contents: Board, Cable
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: M051™ Series, M052/M054/M058/M0516

™
NuMicro M051
Series Technical Reference Manual
6.3.3
System Clock & SysTick Clock
The system clock has 4 clock sources which were generated from clock generator block. The
clock source switch depends on the register HCLK_S(CLKSEL0[2:0]). The block diagram is
shown in the Figure 6.3-2.
Figure 6.3-2 System Clock Block Diagram
The clock source of SysTick in Cortex-M0 core can use CPU clock or external clock
(SYST_CSR[2]). If using external clock, the SysTick clock (STCLK) has 4 clock sources. The
clock source switch depends on the setting of the register STCLK_S (CLKSEL0[5:3]. The block
diagram is shown in the Figure 6.3-3.
Figure 6.3-3 SysTick clock Control Block Diagram
Publication Release Date: Sep 14, 2010
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Revision V1.2