HTG12N0 データシートの表示（PDF） - Holtek Semiconductor

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HTG12N0

4-Bit Microcontroller

Holtek Semiconductor 

HTG12N0

A.C. Characteristics

Ta=25°C

Symbol

Parameter

fSYS

fLCD

tCOM

tCY

fTIMER

System Clock

LCD Clock

LCD Common Period

Cycle Time

Timer I/P Frequency

(TMCLK)

Test Conditions

VDD Conditions

3V R=620kΩ~36kΩ

3V

—

— 1/8 duty

3V fSYS=1MHz

3V

—

Min.

Typ.

Max. Unit

128

—

1000 kHz

—

256

— Hz

— (1/fLCD)×8 —

s

—

4

—

µs

0

—

1000 kHz

tRES Reset Pulse Width

—

—

fSOUND Sound Effect Clock

—

—

5

—

— ms

— *64 or 128 — kHz

*: Only these two clocking signal frequencies are supported by Holtek’s sound library.

7

18th Mar ’99

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