參數(shù)資料
型號(hào): TUSB5052B
廠商: Texas Instruments, Inc.
英文描述: USB to 2-Serial + 1-Parallel Controller With Configurable Optional Hub
中文描述: USB轉(zhuǎn)2 -串行接口1 -可配置可選并行控制器集線器
文件頁數(shù): 28/84頁
文件大?。?/td> 276K
代理商: TUSB5052B
4–10
4.3.9
IEPBCTX_n: Input Endpoint X-Byte Count (n = 1 to 7)
NAK
C6
R/W
C5
R/W
C4
R/W
C3
R/W
C2
R/W
C1
R/W
C0
R/W
7
6
5
4
3
2
1
0
R/W
BIT
NAME
RESET
FUNCTION
6–0
C[6:0]
x
X-Buffer Byte count:
X000.0000b Count = 0
X000.0001b Count = 1 byte
:
:
X011.1111b Count = 63 bytes
X100.0000b Count = 64 bytes
Any value
100.0001b may result in unpredictable results.
NAK = 0
NAK = 1
Buffer is empty (gives NAK response to host-OUT request)
7
NAK
x
No valid data in buffer. Ready for host IN
4.3.10 IEPBBAY_n: Input Endpoint Y-Buffer Base-Address (n = 1 to 7)
A10
R/W
A9
R/W
A8
R/W
A7
R/W
A6
R/W
A5
R/W
A4
R/W
A3
R/W
7
6
5
4
3
2
1
0
BIT
NAME
RESET
FUNCTION
7–0
A[10:3]
x
A[10:3] of Y-buffer base address (padded with 3-LSB of zeros for a total of 11 bits). This value is set by the MCU.
UBM or DMA uses this value as the start-address of a given transaction but note that the UBM or DMA does not
change this value at the end of a transaction.
4.3.11 IEPBCTY_n: Input Endpoint Y-Byte Count (n = 1 to 7)
NAK
C6
R/W
C5
R/W
C4
R/W
C3
R/W
C2
R/W
C1
R/W
C0
R/W
7
6
5
4
3
2
1
0
R/W
BIT
NAME
RESET
FUNCTION
6–0
C[6:0]
x
Y-Byte count:
X000.0000b Count = 0
X000.0001b Count = 1 byte
:
:
X011.1111b Count = 63 bytes
X100.0000b Count = 64 bytes
Any value
100.0001b may result in unpredictable results.
NAK = 0
NAK = 1
Buffer is empty (gives NAK response to host-IN request)
7
NAK
x
No valid data in buffer. Ready for host IN transaction
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