Functional Description

2.2Inputs/Outputs

Figure 2-2. SA-1100 Functional Diagram

Serial

UDC-

Channel 0

UDC+

(USB)

 

Serial

RXD _1

TXD_1

Channel 1

(SDLC)

RXD _2

Serial

 

Channel 2

TXD _2

(IrDA)

 

Serial

RXD _3

 

Channel 3

TXD _3

(UART)

 

 

TXD _C

Serial

RXD _C

 

Channel 4

SCLK _C

(CODEC)

SFRM _C

 

 

BATT_FAULT

Power

VDD_FAULT

Management

PWR_EN

 

 

TCK_BYP

 

TESTCLK

 

PEXTAL

 

PXTAL

Clocks, Reset

TEXTAL

and Test

TXTAL

 

 

nRESET

 

nRESET_OUT

 

ROM_SEL

 

TCK

 

TDI

JTAG

TDO

 

 

TMS

 

nTRST

Intel®

StrongARM® *

SA-1100

[208-pins]

L_DD(7:0)

 

L_FCLK

 

L_LCLK

LCD

L_PCLK

Control

 

L_BIAS

 

GP(27:0)

GPIO

 

Ports

nCAS(3:0)

 

nRAS/(3:0)

 

nOE

Memory

nWE

Control

 

nCS(3:0)

 

nPOE

 

nPWE

 

nPIOR

 

nPIOW

 

nPCE<2:1>

PCMCIA

PSKTSEL

Bus

Signals

nPREG

 

nPWAIT

 

nIOIS16

 

A<25:0>

Address

 

Bus

D<31:0>

Data Bus

VDD

 

VDDX

Supply

 

VSS/VSSX

 

* StrongARM is a registered trademark of ARM Limited.

A6975-01

SA-1100 Developer’s Manual

2-3

Page 31
Image 31
Intel SA-1100 manual Inputs/Outputs