Usb Function Address Register - Samsung S3C2500B User Manual

USB CONTROLLER

10.5.1 USB FUNCTION ADDRESS REGISTER

This register maintains the USB device address assigned by the host. The MCU writes the value received
through a SET_ADDRESS descriptor to this register. This address is used for the next token.
Register Address
USBFA 0xF00E0000
Bit Number Bit Name
[6:0] USB Function
Address Field
(USBFAF)
[7] USB Address
UPdate
(USBAUP)
[31:8] Reserved
10-10
Table 10-2. USBFA Register
R/W
R/W USB function address register
Table 10-3. USBFA Register Description
MCU USB
R/W R The MCU write the address to these bits.
S R/C The MCU sets this bit whenever it updates the USB
Function Address Field (USBFAF) in this register. The
USBFAF is used after the Status phase of a Control
transfer, which is signaled by the clearing of the DATA
END bit in the Endpoint 0 CSR.
Description
Description
S3C2500B
Reset Value
0x00000000