Datasheet

PIC24FJ256GB110 FAMILY
DS39897C-page 226  2009 Microchip Technology Inc.
REGISTER 18-7: U1CON: USB CONTROL REGISTER (DEVICE MODE)
U-0 U-0 U-0 U-0 U-0 U-0 U-0 U-0
— — — — — — — —
bit 15 bit 8
U-0 R-x, HSC R/W-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0
— SE0 PKTDIS — HOSTEN RESUME PPBRST USBEN
bit 7 bit 0
Legend: U = Unimplemented bit, read as ‘0’
R = Readable bit W = Writable bit HSC = Hardware Settable/Clearable bit
-n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown
bit 15-7 Unimplemented: Read as ‘0’
bit 6 SE0: Live Single-Ended Zero Flag bit
1 = Single-ended zero active on the USB bus
0 = No single-ended zero detected
bit 5 PKTDIS: Packet Transfer Disable bit
1 = SIE token and packet processing disabled; automatically set when a SETUP token is received
0 = SIE token and packet processing enabled
bit 4 Unimplemented: Read as ‘0’
bit 3 HOSTEN: Host Mode Enable bit
1 = USB host capability enabled; pull-downs on D+ and D- are activated in hardware
0 = USB host capability disabled
bit 2 RESUME: Resume Signaling Enable bit
1 = Resume signaling activated
0 = Resume signaling disabled
bit 1 PPBRST: Ping-Pong Buffers Reset bit
1 = Reset all Ping-Pong Buffer Pointers to the EVEN BD banks
0 = Ping-Pong Buffer Pointers not reset
bit 0 USBEN: USB Module Enable bit
1 = USB module and supporting circuitry enabled (device attached); D+ pull-up is activated in hardware
0 = USB module and supporting circuitry disabled (device detached)