Embedded LPC3250 Podręcznik Użytkownika Pobierz pdf (Strona 47)

LPC3250 Developer’s Kit v2 - User’s Guide

Page 47

GPIO93

U3_DSR / U2_RX

Can be connected to RS232 interface

GPIO94

GPI_05 / U3_DCD

Can be connected to RS232 interface

GPIO95

U3_CTS / U2_CTS

Can be connected to RS232 interface

GPIO96

U3_RX

Can be connected to RS232 interface

GPIO97

U3_TX

Can be connected to RS232 interface

BD0-BD15

EMC_D0-EMC_D15

Connects to parallel NOR flash and 16-bit register.

BA0-BA23

EMC_A0-EMC_A23

The address bus, buffered signals from OEM Board.

Connects to parallel NOR flash and 16-bit register.

BOE

EMC_OE

OE, buffered signal from cpu board . Connects to parallel

NOR flash.

BWE

EMC_WE

WE, buffered signal from cpu board. Connects to parallel

NOR flash and 16-bit register.

BBLS0

EMC_BLS0

BLS0 controls lower 8 bits of external memory databus (16-

bit parallel register). Connects to 16-bit register.

BBLS1

EMC_BLS1

BLS1 controls upper 8 bits of external memory databus (16-

bit parallel register). Connects to 16-bit register.

BCS0

EMC_CS0

No special usage on OEM Base Board.

BCS1

EMC_CS1

No special usage on OEM Base Board.

BCS2

EMC_CS2

CS2, chip select for parallel NOR flash.

BCS3

EMC_CS3

CS3, chip select for 16-bit regsiter.

VBAT

Super-capacitor on vbat signal

ALARM

ONSW

Connected to alarm-LED (active high)

WP_NAND

GPO_19

Connected to NAND FLASH WriteProtect input internally on

LPC3250 OEM board

VREF

Not connected

VDDA,

VSSA

VDDA,

VSSA

Used to generate reference voltage for trimpot (analog

inputs)

JTAG signals

Connected to JTAG connectors

JTAG_DBGEN

DBGEN

RESET

RESET_IN

Connects to RESET push-button and USB-to-serial bridge

(for automatic service mode functionality)

RSTOUT

RESOUT

Connects to RESET LED indicator.

Used to reset PCA9532, UDA1380, FT232RL, MIC2555, RF

module and LCD expansion connector.

1 2 ... 42 43 44 45 46 47 48 49 50 51 52 ... 65 66

Komentarze do niniejszej Instrukcji

Brak uwag

Embedded LPC3250 Podręcznik Użytkownika Strona 47

Komentarze do niniejszej Instrukcji

Powiązane produkty i podręczniki dla Nie Embedded LPC3250