PIC16F1459-ESSQTP datasheet(317/418 Pages) MICROCHIP

Part #	PIC16F1459-ESSQTP

Description	14/20-Pin Flash, 8-Bit USB Microcontrollers with XLP Technology

PDF	418 Pages

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Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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 2012 Microchip Technology Inc.

Preliminary

DS41639A-page 317

PIC16(L)F1454/5/9

TABLE 26-3:

SUMMARY OF USB BUFFER DESCRIPTOR TABLE REGISTERS

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

BDnSTAT(1)

UOWN

DTS(4)

PID3(2)

PID2(2)

PID1(2)

DTSEN(3)

PID0(2)

BSTALL(3)

BC9

BC8

BDnCNT(1)

Byte Count

BDnADRL(1)

Buffer Address Low

BDnADRH(1)

Buffer Address High

Note 1:

For buffer descriptor registers, n may have a value of 0 to 31. For the sake of brevity, all 32 registers are

shown as one generic prototype. All registers have indeterminate Reset values (xxxx xxxx).

Bits <5:2> of the BDnSTAT register are used by the SIE to return PID<3:0> values once the register is

turned over to the SIE (UOWN bit is set). Once the registers have been under SIE control, the values

written for DTSEN and BSTALL are no longer valid.

Prior to turning the buffer descriptor over to the SIE (UOWN bit is cleared), bits 5 through 2 of the

BDnSTAT register are used to configure the DTSEN and BSTALL settings.

This bit is ignored unless DTSEN = 1.

PIC16F1459-ESSQTP Datasheet(PDF) 317 Page - Microchip Technology

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