9202 datasheet(168/175 Pages) STMICROELECTRONICS

tên linh kiện	9202

Giải thích chi tiết về linh kiện	Flash Programmable System Devices with 8032 Microcontroller Core

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168 / 175 page

UPSD3254A, UPSD3254BV, UPSD3253B, UPSD3253BV

168/175

Figure 89. External Clock Cycle

Figure 90. Recommended Oscillator Circuits

Note: C1, C2 = 30pF ± 10pF for crystals

For ceramic resonators, contact resonator manufacturer

Oscillation circuit is designed to be used either with a ceramic resonator or crystal oscillator. Since each crystal and ceramic resonator

have their own characteristics, the user should consult the crystal manufacturer for appropriate values of external components.

Figure 91. PSD MODULE AC Measurement I/O

Waveform

Figure 92. PSD MODULE AC Measurement

Load Circuit

Table 140. Capacitance

Note: 1. Sampled only, not 100% tested.

2. Typical values are for TA = 25°C and nominal supply voltages.

3.0V

Test Point

1.5V

AI03103b

Device

Under Test

2.01 V

195

Ω

L = 30 pF

(Including Scope and

Jig Capacitance)

AI03104b

Symbol

Parameter

Test Condition(1)

Typ.(2)

Max.

Unit

CIN

Input Capacitance (for input pins)

VIN = 0V

COUT

Output Capacitance (for input/

output pins)

VOUT = 0V

812

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