Preliminary
HS_SPI CONTROLLER
S3C2451X RISC MICROPROCESSOR
20-8
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
HS_SPI_INT_EN Bit
Description
Initial
State
IntEnTrailing [6]
R/W
Interrupt Enable for trailing count to be zero
0: Disable 1:Enable
1’b0
IntEnRxOverrun [5]
R/W
Interrupt Enable for RxOverrun
0: Disable 1:Enable
1’b0
IntEnRxUnderrun [4]
R/W
Interrupt Enable for RxUnderrun
0: Disable 1:Enable
1’b0
IntEnTxOverrun [3]
R/W
Interrupt Enable for TxOverrun
0: Disable 1:Enable
1’b0
IntEnTxUnderrun [2]
R/W
Interrupt Enable for TxUnderrun. In slave
mode, this bit should be clear first after turning
on slave TX path.
0: Disable 1:Enable
1’b0
IntEnRxFifoRdy [1]
R/W
Interrupt Enable for RxFifoRdy(INT mode)
0: Disable 1:Enable
1’b0
IntEnTxFifoRdy [0]
R/W
Interrupt Enable for TxFifoRdy(INT mode)
0: Disable 1:Enable
1’b0
Register Address
R/W
Description
Reset
Value
HS_SPI_STATUS(Ch0) 0x52000014 R HS_SPI status register
0x0
HS_SPI_STATUS(Ch1) 0x59000014 R HS_SPI status register
0x0
HS_SPI_STATUS Bit
Description
Initial
State
TX_done [21]
R
Indication of transfer done in Shift register
0 : all case except blow case
1 : when tx fifo and shift register are empty
*Master mode only
1’b0
Trailing_count_done [20] R
Indication
that trailing count is zero
1’b0
RxFifoLvl [19:13]
R
Data level in RX FIFO
0 ~ 7’h40 byte
7’b0
TxFifoLvl [12:6]
R
Data level in TX FIFO
7’b0