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SLES003A Datasheet

  • SLES003A

  • Texas Instruments [USB Streaming Controller]

  • 487.38KB

  • TI

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A.5.2.9 UBM Write Pointer (High Byte) (Ch0WrPtrH 鈥?Address FFBBh)
(Ch1WrPtrH 鈥?Address FFB7h)
Bit
Mnemonic
Type
Default
BIT
2:0
MNEMONIC
WRPTR(10:8)
7
鈥?/div>
鈥?/div>
鈥?/div>
6
鈥?/div>
鈥?/div>
鈥?/div>
NAME
UBM Write Pointer
5
鈥?/div>
鈥?/div>
鈥?/div>
4
鈥?/div>
鈥?/div>
鈥?/div>
3
鈥?/div>
鈥?/div>
鈥?/div>
2
WRPTR10
R
0
1
WRPTR9
R
0
0
WRPTR8
R
0
DESCRIPTION
This register contains 3 MSB bits of 11-bit UBM Write Pointer of the isochronous OUT endpoint
buffer. MCU can read this register anytime. This 11-bit UBM Write Pointer WRPTR can be used
in conjunction with the corresponding 11-bit CHn DMA RDPTR to estimate the amount of data in
the isochronous OUT endpoint buffer.
Reserved for future use
7:3
鈥?/div>
Reserved
A.5.2.10 DMA Read Pointer (Low Byte) (Ch0RdPtrL 鈥?Address FFBAh) (Ch1RdPtrL 鈥?Address FFB6h)
Bit
Mnemonic
Type
Default
BIT
7:0
MNEMONIC
RDPTR(7:0)
7
RDPTR7
R
0
6
RDPTR6
R
0
NAME
DMA Read Pointer
5
RDPTR5
R
0
4
RDPTR4
R
0
3
RDPTR3
R
0
2
RDPTR2
R
0
1
RDPTR1
R
0
0
RDPTR0
R
0
DESCRIPTION
This register contains 8 LSB bits of 11-bit DMA channel n (n can be 0 or 1) Read Pointer of the
Isochronous OUT endpoint buffer. MCU can read this register anytime. This 11-bit CHn DMA
Read pointer RDPTR can be used in conjunction with the corresponding 11-bit UBM Write
Pointer WRPTR to estimate the amount of data in the isochronous OUT endpoint buffer.
A.5.2.11DMA Read Pointer (High Byte) (Ch0RdPtrH 鈥?Address FFB9h)
(Ch1RdPtrH 鈥?Address FFB5h)
Bit
Mnemonic
Type
Default
BIT
2:0
MNEMONIC
RDPTR(10:8)
7
鈥?/div>
鈥?/div>
鈥?/div>
6
鈥?/div>
鈥?/div>
鈥?/div>
NAME
DMA Read Pointer
5
鈥?/div>
鈥?/div>
鈥?/div>
4
鈥?/div>
鈥?/div>
鈥?/div>
3
鈥?/div>
鈥?/div>
鈥?/div>
2
WRPTR10
R
0
1
WRPTR9
R
0
0
WRPTR8
R
0
DESCRIPTION
This register contains 3 MSB bits of 11-bit channel n (n can be 0 or 1) Read Pointer of the
Isochronous OUT endpoint buffer. MCU can read this register anytime. This 11-bit CHn DMA
RDPTR can be used in conjunction with the corresponding 11-bit UBM Write Pointer WRPTR to
estimate the amount of data in the isochronous OUT endpoint buffer.
Reserved for future use
7:3
鈥?/div>
Reserved
A鈥?4

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