C8051F38C-GMR View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

MFG CO.

C8051F38C-GMR

Full Speed USB Flash MCU Family

Silicon Laboratories 

C8051F380/1/2/3/4/5/6/7/C

USB Register Definition 21.23. EOUTCSRH: USB0 OUT Endpoint Control High

Byte

Bit

7

6

5

4

3

2

1

0

Name DBOEN

ISO

Type R/W

R/W

R

R

R

R

R

R

Reset

0

0

0

0

0

0

0

0

USB Register Address = 0x15

Bit Name

Function

7 DBOEN Double-buffer Enable.

0: Double-buffering disabled for the selected OUT endpoint.

1: Double-buffering enabled for the selected OUT endpoint.

6

ISO Isochronous Transfer Enable.

This bit enables/disables isochronous transfers on the current endpoint.

0: Endpoint configured for bulk/interrupt transfers.

1: Endpoint configured for isochronous transfers.

5:0 Unused Read = 000000b. Write = don’t care.

USB Register Definition 21.24. EOUTCNTL: USB0 OUT Endpoint Count Low

Bit

7

6

5

4

3

2

1

0

Name

EOCL[7:0]

Type

R

Reset

0

0

0

0

0

0

0

0

USB Register Address = 0x16

Bit Name

Function

7:0 EOCL[7:0] OUT Endpoint Count Low Byte.

EOCL holds the lower 8-bits of the 10-bit number of data bytes in the last received

packet in the current OUT endpoint FIFO. This number is only valid while OPRDY = 1.

Rev. 1.4

203

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