LPC47M14X datasheet(145/205 Pages) SMSC

145 / 205 page

SMSC DS – LPC47M14X

Page 145

Rev. 03/19/2001

NAME

REG OFFSET

(hex)

DESCRIPTION

GP55

Default = 0x01

on VTR POR

(R/W)

General Purpose I/0 bit 5.5

Bit[0] In/Out : =1 Input, =0 Output

Bit[1] Polarity : =1 Invert, =0 No Invert

Bit[3:2] Alternate Function Select

11=Reserved

10=Reserved

01=nRTS2

00=GPIO

Bits[6:4] Reserved

Bit[7] Output Type Select

1=Open Drain

0=Push Pull

GP56

Default = 0x01

on VTR POR

(R/W)

General Purpose I/0 bit 5.6

Bit[0] In/Out : =1 Input, =0 Output

Bit[1] Polarity : =1 Invert, =0 No Invert

Bit[3:2] Alternate Function Select

11=Reserved

10=Reserved

01=nCTS2

00=GPIO

Bits[6:4] Reserved

Bit[7] Output Type Select

1=Open Drain

0=Push Pull

GP57

Default = 0x01

on VTR POR

(R/W)

General Purpose I/0 bit 5.7

Bit[0] In/Out : =1 Input, =0 Output

Bit[1] Polarity : =1 Invert, =0 No Invert

Bit[3:2] Alternate Function Select

11=Reserved

10=Reserved

01=nDTR2

00=GPIO

Bits[6:4] Reserved

Bit[7] Output Type Select

1=Open Drain

0=Push Pull

GP60

Default = 0x01

on VTR POR

(R/W)

General Purpose I/0 bit 6.0

Bit[0] In/Out : =1 Input, =0 Output

Bit[1] Polarity : =1 Invert, =0 No Invert

Bit[3:2] Alternate Function Select

11=Reserved

10=Either Edge Triggered Interrupt Input 4 (Note 1)

01=LED1

00=GPIO

Bits[6:4] Reserved

Bit[7] Output Type Select

1=Open Drain

0=Push Pull

LPC47M14X Datasheet(PDF) 145 Page - SMSC Corporation

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