Samsung S3C2440A - Manual (Page 343)

S3C2440A RISC MICROPROCESSOR USB DEVICE
13-15
Register Address R/W Description Reset Value
IN_CSR2_REG 0x52000188(L)
0x5200018B(B)
R/W
(byte)
IN END POINT control status register2 0x20
IN_CSR2_REG Bit MCU USB Description Initial
State
AUTO_SET [7] R/W R If set, whenever the MCU writes MAXP data,
IN_PKT_RDY will automatically be set by the core
without any intervention from MCU.
If the MCU writes less than MAXP data, IN_PKT_RDY
bit has to be set by the MCU.
0
ISO [6] R/W R Used only for endpoints whose transfer type is
programmable.
1: Reserved
0: Configures endpoint to Bulk mode 0
MODE_IN [5] R/W R Used only for endpoints whose direction is
programmable.
1: Configures Endpoint Direction as IN
0: Configures Endpoint Direction as OUT 1
IN_DMA_INT_EN [4] R/W R Determine whether the interrupt should be issued or
not, when the IN_PKT_RDY condition happens. This is
only useful for DMA mode.
0 = Interrupt enable, 1 = Interrupt Disable 0
Reserved [3:0] - - - -