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10
CHAPTER 1 GENARAL
Table 1.5-3 Input/Output Circuit Configurations
Classification Circuit Remarks
A • Crystal oscillator
• Feedback resistor: About 1 M
Ω
/5V
(1 to 5MHz)
B • CMOS input
C • Output pull-up resistor (P-ch):
About 50 k
Ω
(5 V)
• Hysteresis input
D • CMOS input/output
• Hysteresis input (resorce input)
• The pull-up resistor is available.
X1
X0
Standby control signal
R
Pch
Nch
Pch
Nch
R
Pch