User's Manual

S3C2450X RISC MICROPROCESSOR HS_SPI CONTROLLER
20-13
Register Address R/W Description Reset Value
SWAP_CFG(Ch0) 0x52000028 R/W SWAP config register 0x0
SWAP_CFG (Ch1) 0x59000028 R/W SWAP config register 0x0
SWAP_CFG Bit Description Initial State
RX_Half-word swap [7] 0 = off 1 = swap 1’b0
RX_Byte swap [6] 0 = off 1 = swap 1’b0
RX_Bit swap [5] 0 = off 1 = swap 1’b0
RX_SWAP_en [4]
Swap enable
0 = normal 1 = swap
1’b0
TX_Half-word swap [3] 0 = off 1 = swap 1’b0
TX_Byte swap [2] 0 = off 1 = swap 1’b0
TX_Bit swap [1] 0 = off 1 = swap 1’b0
TX_SWAP_en [0]
Swap enable
0 = normal 1 = swap
1’b0
** Data size must be larger than swap size.
Register Address R/W Description Reset Value
FB_Clk_sel (Ch0) 0x5200002C R/W Feedback clock selecting register. 0x3
FB_Clk_sel (Ch1) 0x5900002C R/W Feedback clock selecting register. 0x3
FB_Clk_sel Bit Description Initial State
FB_Clk_sel [1:0]
00 = 0ns additional delay
01 = 3ns additional delay
10 = 6ns additional delay
11 = 9ns additional delay
* delay base on typical condition.
2’b11