Mikroelektronika MikroE Development Kits MIKROE-1207 Datenbogen

© 2009-2012 Microchip Technology Inc.

DS70616F-page 387

 

U-0

U-0

U-0

U-0

U-0

U-0

U-0

U-0

—

—

—

—

—

—

—

—

bit 15

bit 8

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

DPPULUP DMPULUP DPPULDWN

DMPULDWN

VBUSON

OTGEN

VBUSCHG

VBUSDIS

bit 7

bit 0

Legend:
R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 15-8

Unimplemented: Read as ‘0’

bit 7

DPPULUP: D+ Pull-Up Enable bit
1 = D+ data line pull-up resistor enabled
0 = D+ data line pull-up resistor disabled

bit 6

DMPULUP: D- Pull-Up Enable bit
1 = D- data line pull-up resistor enabled
0 = D- data line pull-up resistor disabled

bit 5

DPPULDWN: D+ Pull-Down Enable bit

1 = D+ data line pull-down resistor enabled
0 = D+ data line pull-down resistor disabled

bit 4

DMPULDWN: D- Pull-Down Enable bit

1 = D- data line pull-down resistor enabled
0 = D- data line pull-down resistor disabled

bit 3

VBUSON: V

BUS

 Power-on bit

1  = V

BUS

 line powered

0  = V

BUS

 line not powered

bit 2

OTGEN: OTG Features Enable bit

1 = USB OTG enabled; all D+/D- pull-ups and pull-downs bits are enabled
0 = USB OTG disabled; D+/D- pull-ups and pull-downs are controlled in hardware by the settings of the

HOSTEN and USBEN bits (UxCON<3,0>)

bit 1

VBUSCHG: V

BUS

 Charge Selection bit

1  = V

BUS

 line set to charge to 3.3V

0  = V

BUS

 line set to charge to 5V

bit 0

VBUSDIS: V

BUS

 Discharge Enable bit

1  = V

BUS

 line discharged through a resistor

0  = V

BUS

 line not discharged

Note 1: These bits are only used in Host mode; do not use in Device mode.