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HT56R65

TinyPower™ A/D Type with LCD 8-Bit OTP MCU

Holtek Semiconductor 

HT56R62/HT56R65

HT56R642/HT56R644/HT56R654/HT56R656

TinyPowerTM A/D Type with LCD 8-Bit OTP MCU

A.C. Characteristics

Symbol

Parameter

Test Conditions

VDD

Conditions

2.2V~5.5V

fSYS

System Clock

(Crystal OSC, RC OSC)

3.0V~5.5V

—

4.5V~5.5V

fRTCOSC RTC Frequency

—

—

2.2V~5.5V

fTIMER

Timer I/P Frequency

(TMR0/TMR1)

3.0V~5.5V

—

4.5V~5.5V

fRC32K

32K RC Oscillator

2.2V~5.5V After Trim

tRES

External Reset Low Pulse Width

—

—

tLVR

Low Voltage Reset Time

—

—

tSST1

System Start-up Timer Period

— Power-on

tSST2

System Start-up Timer Period for

XTAL or RTC oscillator

—

Wake-up from Power Down

Mode

tSST3

System Start-up Timer Period for

External RC or External Clock

—

Wake-up from Power Down

Mode

tINT

Interrupt Pulse Width

—

—

Note: *tSYS=1/fSYS1 or 1/fSYS2

Ta=25°C

Min. Typ. Max. Unit

32 — 4000 kHz

32 — 8000 kHz

32 — 12000 kHz

— 32768 — Hz

0 — 4000 kHz

0 — 8000 kHz

0 — 12000 kHz

28.8 32.0 35.2 kHz

1 — — µs

0.1 0.4 0.6 ms

— 1024 — tSYS*

— 1024 — tSYS*

—1

1—

2 tSYS*

— µs

Rev. 1.30

19

March 6, 2013

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