SEC1210 datasheet(104/218 Pages) MICROCHIP

104 / 218 page

SEC1110/SEC1210

DS00001561C-page 104

 2013 - 2016 Microchip Technology Inc.

7:6

Ep_AltSetting

Alternate setting to which the endpoint belongs:

• Must be 0 for Endpoint 0

• Value for other endpoints is up to the maximum number of inter-

faces supported as reported in the Descriptor

5:4

Ep_Type

Endpoint type:

: Control

: Reserved

: Bulk

: Interrupt

Must be 00 for Endpoint 0.

The values for other endpoints is user programmable as 01, 10, 11,

and is same as reported in the Descriptor.

Ep_Dir

Endpoint direction:

: OUT Endpoint

: IN Endpoint

This bit is ignored for control endpoints.

Must be 0 for Endpoint 0.

Value for other endpoints is programmable, and is the same as

reported in the Descriptor.

2:0

Ep_MaxPktSize[9:7]

Maximum packet size for this endpoint (64 Max). The valid values

are 8: 00_0000_1000b

16: 00_0001_0000b

32: 00_0010_0000b

64: 00_0100_0000b

7:1

Ep_MaxPktSize[6:0]

Ep_UserBit

This bit is reflected to the application bus as the UDC_UserBit

signal for the transaction to this particular endpoint.

• Must be 1 for endpoints 2 and 3

• It is 0 for all other endpoints

7:0

Ep_BufAdrPtr[15:8],

Ep_BufAdrPtr[7:0]

Address pointer for the associated endpoint is encoded as follows:

Ep_BufAdrPtr15 = EP_Dir

Ep_BufAdrPtr[14:12] = EpNum[2:0] (The physical endpoint number

0~5)

Ep_BufAdrPtr[11:10] = Ep_Config[1:0]

Ep_BufAdrPtr[9:8] = Ep_Interface[1:0]

Ep_BufAdrPtr[7:6] = Ep_AltSettings[1:0]

Ep_BufAdrPtr[5:4] = Ep_Type[1:0]

Ep_BufAdrPtr[3:0] = Ep_MaxPktSize[6:3]

TABLE 11-5:

ENDPOINT 0-5 CONFIG MEMORY

USB_EP_0_CFG(0X00~0X04 RESET=0XXX

USB_EP_1_CFG

(0X05~0X09 RESET=0XXX

USB_EP_2_CFG

(0X0A~0X0E RESET=0XXX

USB_EP_3_CFG

(0X0F~0X13 RESET=0XXX

USB_EP_4_CFG

(0X14~0X18 RESET=0XXX

USB_EP_5_CFG

(0X19~0X1D RESET=0XXX

EndPoint 0-5 Config Memory

BIT

NAME

BYTE

DESCRIPTION

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