Samsung 8-Bit CMOS Microcontroller, S3C9228/P9228 user manual Pin Circuit Type E-4

S3C9228/P9228 PRODUCT OVERVIEW

	VDD
	Pull-up
VDD	Resistor
	Pull-up
Open-Drain	Enable
Data	I/O
Output
Disable

External

Interrupt

Input

Figure 1-7. Pin Circuit Type E-4

VDD

Pull-up

Resistor

Pull-up Enable

Open-Drain EN	Circuit
Data
	Type E
Output Disable
ADEN
ADSELECT
Data
To ADC

I/O

Figure 1-8. Pin Circuit Type F-16A

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