Datasheet

© 2009-2012 Microchip Technology Inc. Preliminary DS70616F-page 407
dsPIC33EPXXX(GP/MC/MU)806/810/814 and PIC24EPXXX(GP/GU)810/814
REGISTER 22-25: UxBDTP3: USB BUFFER DESCRIPTION TABLE REGISTER 3
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
BDTPTRU<7:0>
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 7-0 BDTPTRU<31:24>: Endpoint BDT Start Address bits
Defines bits 31-24 of the 32-bit endpoint buffer descriptor table start address.
REGISTER 22-26: UxPWMCON: USB VBUS PWM GENERATOR CONTROL REGISTER
R/W-0 U-0 U-0 U-0 U-0 U-0 R/W-0 R/W-0
PWMEN — — — — — PWMPOL CNTEN
bit 15 bit 8
U-0 U-0 U-0 U-0 U-0 U-0 U-0 U-0
— — — — — — — —
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 PWMEN: PWM Enable bit
1 = PWM generator is enabled
0 = PWM generator is disabled; output is held in Reset state specified by PWMPOL
bit 14-10 Unimplemented: Read as ‘0’
bit 9 PWMPOL: PWM Polarity bit
1 = PWM output is active-low and resets high
0 = PWM output is active-high and resets low
bit 8 CNTEN: PWM Counter Enable bit
1 = Counter is enabled
0 = Counter is disabled
bit 7-0 Unimplemented: Read as ‘0’