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USB DEVICE S3C2440A RISC MICROPROCESSOR
13-22
DMA TOTAL TRANSFER COUNTER REGISTER (EPn_DMA_TTC_L,M,H)
This register should have total number of bytes to be transferred using DMA (total 20-bit counter).
Register Address R/W Description Reset Value
EP1_DMA_TTC_L 0x5200020C(L)
0x5200020F(B)
R/W
(byte)
EP1 DMA total transfer counter(lower byte) 0x00
EP1_DMA_TTC_M 0x52000210(L)
0x52000213(B)
R/W
(byte)
EP1 DMA total transfer counter(middle byte) 0x00
EP1_DMA_TTC_H 0x52000214(L)
0x52000217(B)
R/W
(byte)
EP1 DMA total transfer counter(higher byte) 0x00
EP2_DMA_TTC_L 0x52000224(L)
0x52000227(B)
R/W
(byte)
EP2 DMA total transfer counter(lower byte) 0x00
EP2_DMA_TTC_M 0x52000228(L)
0x5200022B(B)
R/W
(byte)
EP2 DMA total transfer counter(middle byte) 0x00
EP2_DMA_TTC_H 0x5200022C(L)
0x5200022F(B)
R/W
(byte)
EP2 DMA total transfer counter(higher byte) 0x00
EP3_DMA_TTC_L 0x5200024C(L)
0x5200024F(B)
R/W
(byte)
EP3 DMA total transfer counter(lower byte) 0x00
EP3_DMA_TTC_M 0x52000250(L)
0x52000253(B)
R/W
(byte)
EP3 DMA total transfer counter(middle byte) 0x00
EP3_DMA_TTC_H 0x52000254(L)
0x52000257(B)
R/W
(byte)
EP3 DMA total transfer counter(higher byte) 0x00
EP4_DMA_TTC_L 0x52000264(L)
0x52000267(B)
R/W
(byte)
EP4 DMA total transfer counter(lower byte) 0x00
EP4_DMA_TTC_M 0x52000268(L)
0x5200026B(B)
R/W
(byte)
EP4 DMA total transfer counter(middle byte) 0x00
EP4_DMA_TTC_H 0x5200026C(L)
0x5200026F(B)
R/W
(byte)
EP4 DMA total transfer counter(higher byte) 0x00
DMA_TX Bit MCU USB Description Initial State
EPn_TTC_L [7:0] R/W R DMA total transfer count value (lower byte) 0x00
EPn_TTC_M [7:0] R/W R DMA total transfer count value (middle byte) 0x00
EPn_TTC_H [3:0] R/W R DMA total transfer count value (higher byte) 0x00