Datasheet > HT32F12364

HT32F12364

更新时间： 2024-03-03 10:10:20

品牌	Logo	应用领域
台湾合泰/盛群 - HOLTEK		/
页数	文件大小	规格书
48页	1174K
描述
32-bit Arm? Cortex?-M3 MCU

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数据手册

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HT32F12364 数据手册

32-Bit Arm^®Cortex^®-M3 MCU

HT32F12364

Reset Control Unit – RSTCU

▆

Supply supervisor:

● Power On Reset / Power Down Reset – POR/PDR

● Brown-out Detector – BOD

● Programmable Low Voltage Detector – LVD

The Reset Control Unit, RSTCU, has three kinds of reset, a power on reset, a system reset and an

APB unit reset. The power on reset, known as a cold reset, resets the full system during power up.

A system reset resets the processor core and peripheral IP components with the exception of the

SW-DP controller. The resets can be triggered by an external signal, internal events and the reset

generators.

Clock Control Unit – CKCU

▆

External 4 to 16 MHz crystal oscillator

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External 32.768 kHz crystal oscillator

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Internal 8 MHz RC oscillator trimmed to ±1.5 % accuracy at 3.3 V operating voltage and 25 °C

operating temperature

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Internal 32 kHz RC oscillator

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Integrated system clock PLL and USB PLL

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Independent clock divider and gating bits for peripheral clock sources

The Clock Control unit, CKCU, provides a range of oscillator and clock functions. These include

a High Speed Internal RC oscillator (HSI), a High Speed External crystal oscillator (HSE), a Low

Speed Internal RC oscillator (LSI), a Low Speed External crystal oscillator (LSE), a Phase Lock

Loop (PLL), an HSE clock monitor, clock prescalers, clock multiplexers, APB clock divider and

gating circuitry. The clocks of the AHB, APB and Cortex^®-M3 are derived from the system clock

(CK_SYS) which can come from the LSI, LSE, HSI, HSE or PLL. The Watchdog Timer and Real

Time Clock (RTC) use either the LSI or LSE as their clock source.

Power Management Unit– PWRCU

▆

Single V_DDpower supply: 1.65 V to 3.6 V

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Integrated 1.5 V LDO regulator for CPU core, peripherals and memories power supply

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V_DDpower supply for RTC

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Two power domains: V_DDand 1.5 V

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Four power saving modes: Sleep, Deep-Sleep1, Deep-Sleep2, Power-Down

Power consumption can be regarded as one of the most important issues for many embedded

system applications. Accordingly the Power Control Unit, PWRCU, in the device provides many

types of power saving modes such as Sleep, Deep-Sleep1, Deep-Sleep2 and Power-Down mode.

These operating modes reduce the power consumption and allow the application to achieve the best

trade-oﬀ between the conﬂicting demands of CPU operating time, speed and power consumption.

Rev. 1.20

8 of 48

February 24, 2021

1...5 6 789 10 11...48

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