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TUSB5052 データシート(PDF) 29 Page - Texas Instruments

部品番号 TUSB5052
部品情報  USB TO 2-SERIAL PORT CONTROLLER WITH CONFIGURABLE OPTIONAL HUB
PDF  82 Pages
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メーカー  TI [Texas Instruments]
ホームページ  http://www.ti.com
Logo TI - Texas Instruments

TUSB5052 データシート(HTML) 29 Page - Texas Instruments

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4−9
4.3.6
OEPSIZXY_n: Output Endpoint X/Y-Buffer Size (n = 1 to 7)
RSV
S6
S5
S4
S3
S2
S1
S0
7
6
5
4
32
10
R/O
R/W
R/W
R/W
R/W
R/W
R/W
R/W
BIT
NAME
RESET
FUNCTION
6−0
S[6:0]
x
X and Y-buffer size:
0000.0000b Count = 0
0000.0001b Count = 1 byte
:
:
0011.1111b Count = 63 bytes
0100.0000b Count = 64 bytes
Any value
≥ 100.0001b may result in unpredictable results.
7
RSV
x
Reserved = 0
4.3.7
IEPCNF_n: Input Endpoint Configuration (n = 1 to 7)
UBME
ISO=0
TOGLE
DBUF
STALL
USBIE
RSV
RSV
7
6
5
4
32
10
R/W
R/W
R/W
R/W
R/W
R/W
R/O
R/O
BIT
NAME
RESET
FUNCTION
1−0
RSV
x
Reserved = 0
2
USBIE
x
USB interrupt enable on transaction completion
USBIE = 0 No interrupt
USBIE = 1 Interrupt on transaction completion
3
STALL
0
USB stall condition indication. Set by the UBM but can be set/cleared by the MCU
3
STALL
0
STALL = 0
STALL = 1
No stall
USB stall condition. If set by the MCU, a STALL handshake is initiated and the bit is cleared by the
MCU.
4
DBUF
x
Double buffer enable. Set/cleared by the MCU
DBUF = 0 Primary buffer only (X-buffer only)
DBUF = 1 Toggle bit selects buffer
5
TOGLE
x
USB toggle bit. This bit reflects the toggle sequence bit of DATA0, DATA1.
6
ISO
x
ISO = 0 Non-isochronous transfer. This bit must be cleared by the MCU, because only non-isochronous transfer
is supported.
7
UBME
x
UBM enable/disable bit. Set/cleared by the MCU
UBME = 0 UBM cannot use this endpoint.
UBME = 1 UBM can use this endpoint.
4.3.8
IEPBBAX_n: Input Endpoint X-Buffer Base-Address (n = 1 to 7)
A10
A9
A8
A7
A6
A5
A4
A3
7
6
5
4
32
10
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
BIT
NAME
RESET
FUNCTION
7−0
A[10:3]
x
A[10:3] of X-buffer base address (padded with 3-LSB of zeros for a total of 11-bits). This value is set by the MCU.
The UBM or DMA uses this value as the start-address of a given transaction. Note that the UBM or DMA does not
change this value at the end of a transaction.



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