S3C2440X datasheet(26/429 Pages) SAMSUNG

Part #	S3C2440X

Description	16/32-bit RISC microprocessor

Download	429 Pages

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Manufacturer	SAMSUNG [Samsung semiconductor]

Direct Link	http://www.samsung.com/Products/Semiconductor

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26 / 429 page

2003.10.15

Preliminary product information describes products that are in development,

for which full characterization data and associated errata are not yet available

Specifications and information herein are subject to change without notice.

PRODUCT OVERVIEW

S3C2440X

1-26

Table 1-3. S3C2440X Signal Descriptions (Sheet 6 of 6)

Signal

I/O

Description

Power

VDDalive

P

S3C2440X reset block and port status register VDD(1.2V).

It should be always supplied whether in normal mode or in Sleep mode.

VDDi/VDDiarm

P

S3C2440X core logic VDD(1.2V) for CPU.

VSSi/VSSiarm

P

S3C2440X core logic VSS

VDDi_MPLL

P

S3C2440X MPLL analog and digital VDD (1.2 V).

VSSi_MPLL

P

S3C2440X MPLL analog and digital VSS.

VDDOP

P

S3C2440X I/O port VDD(3.3V)

VDDMOP

P

S3C2440X Memory I/O VDD

3.3V : SCLK up to 100MHz

2.5V : SCLK up to 80MHz

VSSOP

P

S3C2440X I/O port VSS

RTCVDD

P

RTC VDD (3.0V)

(This pin must be connected to power properly if RTC isn't used)

VDDi_UPLL

P

S3C2440X UPLL analog and digital VDD (1.2V)

VSSi_UPLL

P

S3C2440X UPLL analog and digital VSS

VDDA_ADC

P

S3C2440X ADC VDD(3.3V)

VSSA_ADC

P

S3C2440X ADC VSS

NOTE:

1.

I/O means input/output.

2.

AI/AO means analog input/analog output.

3.

ST means schmitt-trigger.

4.

P means power.

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