HT32F52243 datasheet(31/44 Pages) HOLTEK

31 / 44 page

Rev. 1.00

�1 of 44

��to�e� �� 01�

��-Bit A�m® Co�tex®-M0+ MCU

HT��F5��4�/HT��F5��5�

Table 10. LVD/BOD Characteristics

TA = �5 °C, unless otherwise specified.

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

VB�D

Voltage of B�own

�ut Dete�tion

TA = -40 °C ~ 85 °C

Afte� fa�to�y-t�immed

(VDD Falling edge)

�.0�

�.1

�.18

VLVD

Voltage of Low

Voltage Dete�tion

TA = -40 °C ~ 85 °C

(VDD Falling edge)

LVDS = 000 �.1�

�.�5

�.��

LVDS = 001 �.��

�.4

�.48

LVDS = 010 �.4�

�.55

�.6�

LVDS = 011 �.6�

�.�

�.�8

LVDS = 100 �.��

�.85

�.9�

LVDS = 101 �.9�

�.0

�.08

LVDS = 110 �.0�

�.15

�.��

LVDS = 111 �.��

�.�

�.�8

VLVDHTST

LVD Hyste�esis

VDD = �.� V

—

100

—

tsuLVD

LVD Setup Time

VDD = �.� V

—

μs

tatLVD

LVD A�tive Delay

Time

VDD = �.� V

—

μs

IDDLVD

�pe�ation Cu��ent (�) VDD = �.� V

—

μA

Notes: 1. Data �ased on �ha�a�te�ization �esults only� not tested in p�odu�tion.

�. Gua�anteed �y design� not tested in p�odu�tion.

�. Bandgap �u��ent is not in�luded.

4. LVDS field is in the PWRCU LVDCSR register

External Clock Characteristics

Table 11. High Speed External Clock (HSE) Characteristics

TA = �5 °C, unless otherwise specified.

Symbol

Parameter

Conditions

Min. Typ. Max. Unit

VDD

�pe�ation Range

—

�.0

—

�.6

fHSE

High Speed Exte�nal �s�illato�

F�equen�y (HSE)

—

MHz

CLHSE

Load Capa�itan�e

VDD = �.� V� RESR = 100 Ω

@ 16 MHz

—

��

RFHSE

Inte�nal Feed�a�k Resisto�

�etween XTALIN and

XTAL�UT Pins

—

MΩ

RESR

Equivalent Se�ies Resistan�e*

VDD = �.� V� CL = 1� pF

@ 16 MHz� HSEDR = 0

—

160

VDD = �.4 V� CL = 1� pF

@ 16 MHz� HSEDR = 1

DHSE

HSE �s�illato� Duty Cy�le

—

IDDHSE

HSE �s�illato� Cu��ent

Consumption

VDD = �.� V @ 16 MHz

—

TBD

—

IPWDHSE

HSE �s�illato� Powe� Down

Cu��ent

VDD = �.� V

—

0.01

μA

tSUHSE

HSE �s�illato� Sta�tup Time

VDD = �.� V

—

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