HT45F4MA datasheet(42/145 Pages) HOLTEK

номер детали	HT45F4MA

подробное описание детали	Power Bank Flash MCU

PDF	145 Pages

Scroll/Zoom	100%

производитель	HOLTEK [Holtek Semiconductor Inc]

домашняя страница	http://www.holtek.com

Logo

42 / 145 page

Rev. 1.20

�2

De�e��e� 1�� 201�

Rev. 1.20

�3

De�e��e� 1�� 201�

HT45F4MA/HT45FH4MA/HT45FH4MA-1

Power Bank Flash MCU

HT45F4MA/HT45FH4MA/HT45FH4MA-1

Power Bank Flash MCU

NORMAL Mode to SLOW Mode Switching

WhenrunningintheNORMALMode,whichusesthehighspeedsystemoscillator,andtherefore

consumesmorepower,thesystemclockcanswitchtorunintheSLOWModebysettingthe

HLCLKbitto0andsettingtheCKS2~CKS0bitsto000Bor001BintheSMODregister.Thiswill

thenusethelowspeedsystemoscillatorwhichwillconsumelesspower.Usersmaydecidetodothis

forcertainoperationswhichdonotrequirehighperformanceandcansubsequentlyreducepower

consumption.

TheSLOWModeissourcedfromtheLIRCoscillatorandthereforerequiresthisoscillatortobe

stablebeforefullmodeswitchingoccurs.ThisismonitoredusingtheLTObitintheSMODregister.

SL OW M ode

SL E EP M ode

ID LE 0 M ode

ID LE 1 M ode

NO RM AL M od e

CK S2 ~ C KS0 = 00x B &

HL CL K = 0

ID LE N = 0

HA LT i ns t ru ct i on is e xe cu t ed

ID LE N = 1, F SYS ON =0

HA LT i ns t ru ct io n is e xe cu t ed

ID LE N = 1, F SYSO N= 1

HA LT i ns t ru ct i on is e xe cu t ed

HT45F4MA датащи(PDF) 42 Page - Holtek Semiconductor Inc