S3C2440X View Datasheet(PDF) - Samsung

Part Name

Description

Manufacturer

S3C2440X

32-bit RISC microprocessor.

Samsung 

PRODUCT OVERVIEW

2003.10.15

S3C2440X

Signal

I/O

SD

SDDAT[3:0]

IO

SDCMD

IO

SDCLK

O

General Port

GPn[116:0]

IO

TIMMER/PWM

TOUT[3:0]

O

TCLK[1:0]

I

JTAG TEST LOGIC

nTRST

I

TMS

I

TCK

I

TDI

I

TDO

O

Table 1-3. S3C2440X Signal Descriptions (Sheet 4 of 6)

Description

SD receive/transmit data

SD receive response/ transmit command

SD clock

General input/output ports (some ports are output only)

Timer output[3:0]

External timer clock input

nTRST(TAP Controller Reset) resets the TAP controller at start.

If debugger is used, A 10K pull-up resistor has to be connected.

If debugger(black ICE) is not used, nTRST pin must be issued by a low active

pulse(Typically connected to nRESET).

TMS (TAP Controller Mode Select) controls the sequence of the TAP controller's

states. A 10K pull-up resistor has to be connected to TMS pin.

TCK (TAP Controller Clock) provides the clock input for the JTAG logic.

A 10K pull-up resistor must be connected to TCK pin.

TDI (TAP Controller Data Input) is the serial input for test instructions and data.

A 10K pull-up resistor must be connected to TDI pin.

TDO (TAP Controller Data Output) is the serial output for test instructions and data.

1-24

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.

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