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S3C2410A USB DEVICE
13-5
FUNCTION ADDRESS REGISTER (FUNC_ADDR_REG)
This register maintains the USB device controller address assigned by the host. The Micro Controller Unit (MCU)
writes the value received through a SET_ADDRESS descriptor to this register. This address is used for the next
token.
Register Address R/W Description Reset Value
FUNC_ADDR_REG 0x52000140(L)
0x52000143(B)
R/W
(byte)
Function address register 0x00
FUNC_ADDR_REG Bit MCU USB Description Initial State
ADDR_UPDATE [7] R
/SET
R
/CLEAR
Set by the MCU whenever it updates the
FUNCTION_ADDR field in this register. This
bit will be cleared by USB when
DATA_END bit in EP0_CSR register.
0
FUNCTION_ADDR [6:0] R/W R The MCU write the unique address,
assigned by host, to this field.
00