SM5L2 Просмотр технического описания (PDF) - Sharp Electronics

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SM5L2

4-Bit Single Chip Microcomputers

Sharp Electronics 

4-Bit Single Chip Microcomputers

RECOMMENDED OPERATING CONDITIONS

PARAMETER

Supply voltage

Instruction cycle

Oscillation starting voltage

NOTE:

1. Use the crystal oscillation circuit.

SYMBOL

VM

VDD

TSYS

VOSC

RATING

1.2 to 1.8

2.4 to 3.6

122 to 50

1.4

Oscillation Circuit

OSCIN

OSCOUT CK2

CRYSTAL

OPEN

C1

C2

CRYSTAL: 32.768 kHz

C1 = 8 pF

C2 = 8 pF

5L1-5

Figure 5. Crystal Oscillation

(Frequency = 32.768 kHz)

SM5L1/SM5L2/SM5L3

UNIT

V

V

µs

V

NOTE

1

OSCIN OSCOUT

CK2

OPEN

R

NOTE: Degree of fluctuation frequency: ±30%

(VM = 1.5 V, TOPR = 25°C)

5L1-6

Figure 6. CR Oscillation (Frequency = 40 kHz)

NOTE: Mount the R, C and crystal as close to the LSI chip as possi-

ble to minimize the effects of stray capacitance.

Microcomputer Data Sheet

7

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