C8051F326-TB Silicon Laboratories Inc, C8051F326-TB Datasheet - Page 96

• Manufacturer Part Number: C8051F326-TB
• Description: BOARD PROTOTYPING W/C8051F326
• Manufacturer: Silicon Laboratories Inc
• Type: MCUr

Specifications of C8051F326-TB

• Contents: Board
• Processor To Be Evaluated: C8051F326/F327
• Interface Type: USB
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: C8051F326
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

C8051F326/7
12.5.1. FIFO Access
Each endpoint FIFO is accessed through a corresponding FIFOn register. A read of an endpoint FIFOn
register unloads one byte from the FIFO; a write of an endpoint FIFOn register loads one byte into the end-
point FIFO. When an endpoint FIFO is configured for Split Mode, a read of the endpoint FIFOn register
unloads one byte from the OUT endpoint FIFO; a write of the endpoint FIFOn register loads one byte into
the IN endpoint FIFO.
96
R/W
Bit7
USB Register Definition 12.6. FIFOn: USB0 Endpoint FIFO Access
USB Addresses 0x20–0x21 provide access to the 2 pairs of endpoint FIFOs:
Writing to the FIFO address loads data into the IN FIFO for the corresponding endpoint.
Reading from the FIFO address unloads data from the OUT FIFO for the corresponding
endpoint.
IN/OUT Endpoint FIFO
R/W
Bit6
0
1
R/W
Bit5
R/W
Bit4
FIFODATA
USB Address
0x20
0x21
Rev. 1.1
R/W
Bit3
R/W
Bit2
R/W
Bit1
R/W
Bit0
USB Address:
0x20–0x23
00000000
Reset Value