Laptop User Manual
S3C2440A RISC MICROPROCESSOR     PRODUCT OVERVIEW 
  1-35 
Table 1-4. S3C2440A Special Registers (Sheet 9 of 14) 
Register Name  Address 
(B. Endian) 
Address 
(L. Endian) 
Acc. 
Unit 
Read/
Write
Function 
USB Device 
FUNC_ADDR_REG 0x52000143 0x52000140 B R/W Function Address 
PWR_REG 0x52000147 0x52000144  Power Management 
EP_INT_REG 0x5200014B 0x52000148     EP Interrupt Pending and Clear 
USB_INT_REG 0x5200015B 0x52000158     USB Interrupt Pending and Clear 
EP_INT_EN_REG 0x5200015F 0x5200015C   Interrupt Enable 
USB_INT_EN_REG 0x5200016F 0x5200016C    Interrupt Enable 
FRAME_NUM1_REG  0x52000173  0x52000170   R  Frame Number Lower Byte 
FRAME_NUM2_REG  0x52000177  0x52000174     Frame Number Higher Byte 
INDEX_REG 0x5200017B 0x52000178  R/W Register Index 
EP0_CSR  0x52000187  0x52000184     Endpoint 0 Status 
IN_CSR1_REG  0x52000187  0x52000184     In Endpoint Control Status 
IN_CSR2_REG  0x5200018B  0x52000188     In Endpoint Control Status 
MAXP_REG  0x52000183  0x52000180     Endpoint Max Packet 
OUT_CSR1_REG  0x52000193  0x52000190     Out Endpoint Control Status 
OUT_CSR2_REG  0x52000197  0x52000194     Out Endpoint Control Status 
OUT_FIFO_CNT1_REG  0x5200019B  0x52000198   R  Endpoint Out Write Count 
OUT_FIFO_CNT2_REG  0x5200019F  0x5200019C     Endpoint Out Write Count 
EP0_FIFO  0x520001C3  0x520001C0   R/W  Endpoint 0 FIFO 
EP1_FIFO  0x520001C7  0x520001C4     Endpoint 1 FIFO 
EP2_FIFO  0x520001CB  0x520001C8     Endpoint 2 FIFO 
EP3_FIFO  0x520001CF  0x520001CC     Endpoint 3 FIFO 
EP4_FIFO  0x520001D3  0x520001D0     Endpoint 4 FIFO 
EP1_DMA_CON  0x52000203  0x52000200     EP1 DMA Interface Control 
EP1_DMA_UNIT  0x52000207  0x52000204     EP1 DMA Tx Unit Counter 
EP1_DMA_FIFO  0x5200020B  0x52000208     EP1 DMA Tx FIFO Counter 
EP1_DMA_TTC_L  0x5200020F  0x5200020C     EP1 DMA Total Tx Counter 
EP1_DMA_TTC_M  0x52000213  0x52000210     EP1 DMA Total Tx Counter 
EP1_DMA_TTC_H  0x52000217  0x52000214     EP1 DMA Total Tx Counter 










