HT45F3830 datasheet(13/149 Pages) HOLTEK

13 / 149 page

Rev. 1.10

1�

�an�a�� 0�� 01�

Rev. 1.10

�an�a�� 0�� 01�

HT45F3830

Ultrasonic Atomizer Flash MCU

HT45F3830

Ultrasonic Atomizer Flash MCU

A.C. Characteristics

Ta=�5°C

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

VDD

Conditions

fSYS

S�stem Clock (HIRC)

�.�V ~ 5.5V fSYS=fHIRC=1�MHz

—

1�

—

MHz

S�stem Clock (LIRC)

�.�V ~ 5.5V fSYS=fLIRC=3�kHz

—

3�

—

kHz

fHIRC

High Speed Inte�nal RC Oscillato�

(HIRC)

Ta=�5°C

-�%

1�

+�% MHz

Ta=�5°C

-�%

1�

+�% MHz

�.�V~ 5.5V Ta=�5°C

-5%

1�

+5% MHz

Ta=0°C ~ �0°C

-�%

1�

+�% MHz

Ta=0°C ~ �0°C

-�%

1�

+�% MHz

Ta= -40°C ~ 85°C

-10% 1� +10% MHz

Ta= -40°C ~ 85°C

-�%

1�

+�% MHz

�.�V ~ 5.5V Ta=0°C ~ �0°C

-�%

1�

+�% MHz

�.�V ~ 5.5V Ta= -40°C ~ 85°C

-10% 1� +10% MHz

fLIRC

Low Speed Inte�nal RC Oscillato�

(LIRC)

Ta=�5°C

-10% 3� +10% kHz

3V ± 0.3V Ta= -40°C ~ 85°C

-40% 3� +40% kHz

�.�V ~ 5.5V Ta= -40°C ~ 85°C

-50% 3� +�0% kHz

Ta=�5°C

-10% 3� +10% kHz

5V ± 0.5V Ta= -40°C ~ 85°C

-40% 3� +40% kHz

tTIMER

xTCKn Inp�t Pin Minim�m P�lse

Width

—

tDEW

Data EEPROM W�ite Time

—

�

tINT

Exte�nal Inte��pt Minim�m P�lse

Width

—

3.3

μs

tRSTD

S�stem Reset Dela� Time

(Powe�-on Reset� LVR Ha�dwa�e

Reset� LVR Softwa�e Reset� WDT

Softwa�e Reset)

—

�5

100

S�stem �eset dela� time (WDT

Time-o�t Ha�dwa�e Cold Reset)

—

8.3

1�.� 33.3

tSST

S�stem Sta�t-�p Time� Pe�iod

(Wake-�p f�om Powe� Down Mode

and fSYS off)

—

fSYS=fH ~ fH / �4�

fH=fHIRC

1�

—

tHIRC

—

fSYS=fSUB=fLIRC

�

—

tLIRC

S�stem Sta�t-�p Time� Pe�iod

(Slow Mode ↔ Normal Mode)

—

fHIRC off → on

(HTO=1)

1�

—

tHIRC

S�stem Sta�t-�p Time� Pe�iod

(Wake-�p f�om Powe� Down Mode

and fSYS on)

—

fSYS=fHIRC ~ fHIRC /�4

�

—

fSYS=fLIRC

�

—

tSUB

S�stem Sta�t-�p Time� Pe�iod

(WDT Time-o�t Ha�dwa�e Cold

Reset)

—

fI�C

I�C Standa�d Mode (100kHz)

S�stem F�eq�enc�

—

No clock debo�nce

�

—

MHz

—

� s�stem clocks debo�nce

—

MHz

—

4 s�stem clocks debo�nce

—

MHz

I�C Fast Mode (400kHz) S�stem

F�eq�enc�

—

No clock debo�nce

—

MHz

—

� s�stem clocks debo�nce 10

—

MHz

—

4 s�stem clocks debo�nce �0

—

MHz

Note:1.tSYS=1/fSYS;tSUB=1/fSUB;tHIRC=1/fHIRC

2.TomaintaintheaccuracyoftheinternalHIRCoscillatorfrequency,a0.1μFdecouplingcapacitorshould

beconnectedbetweenVDDandVSSandlocatedasclosetothedeviceaspossible.

3.Frequencyaccuracy(trimatVDD=3V/5V,FADJH=01H,FADJL=00H).

HT45F3830 Datasheet(PDF) 13 Page - Holtek Semiconductor Inc

HT45F3830 Datasheet(HTML) 13 Page - Holtek Semiconductor Inc

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL