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PFS123 Datasheet(PDF) 36 Page - PADAUK Technology.

Part # PFS123
Description  8bit MTP Type MCU with 12-bit R-Type ADC
PDF  104 Pages
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Manufacturer  PADAUK [PADAUK Technology.]
Direct Link  http://www.padauk.com.tw/
Logo PADAUK - PADAUK Technology.

PFS123 Datasheet(HTML) 36 Page - PADAUK Technology.

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PFS123
8bit MTP MCU with 12-bit R-Type ADC
©Copyright 2020, PADAUK Technology Co. Ltd
Page 36 of 104
PDK-DS-PFS123-EN_V000-Aug. 26, 2020
5.4.5. System Clock and LVR level
The clock source of system clock comes from EOSC, IHRC and ILRC, the hardware diagram of system clock
in the PFS123 is shown as Fig.3.
Fig.3: Options of System Clock
User can choose different operating system clock depends on its requirement; the selected operating system
clock should be combined with supply voltage and LVR level to make system stable. The LVR level will be
selected during compilation, and the lowest LVR levels can be chosen for different operating frequencies.
Please refer to Section 4.1.
M
U
X
clkmd[7:5]
System
clock
CLK
÷2, ÷4, ÷8,
÷16, ÷32, ÷64
÷1, ÷4, ÷16
÷1, ÷2, ÷4, ÷8
IHRC
EOSC
ILRC



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