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| 型號(hào)： | PCI1620GHK |
| 英文描述： | Controller Miscellaneous - Datasheet Reference |
| 中文描述： | 控制器雜項(xiàng)-數(shù)據(jù)表參考 |
| 文件頁(yè)數(shù)： | 103/164頁(yè) |
| 文件大小： | 720K |
| 代理商： | PCI1620GHK |
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4
–
35
4.49 Serial Bus Data Register
The serial bus data register is for programmable serial bus byte reads and writes. This register represents the data
when generating cycles on the serial bus interface. To write a byte, this register must be programmed with the data,
the serial bus index register must be programmed with the byte address, the serial bus slave address must be
programmed with the 7-bit slave address, and the read/write indicator bit must be reset.
On byte reads, the byte address is programmed into the serial bus index register
,
the serial bus slave address register
must be programmed with both the 7-bit slave address and the read/write indicator bit, and bit 5 (REQBUSY) in the
serial bus control and status register (see Section 4.52)
must be polled until clear. Then the contents of this register
are valid read data from the serial bus interface. See Table 4
–
21 for a complete description of the register contents.
Bit
7
6
5
4
3
2
1
0
Name
Serial bus data
Type
RW
RW
RW
RW
RW
RW
RW
RW
Default
0
0
0
0
0
0
0
0
Register:
Offset:
Type:
Default:
Serial bus data
B0h (function 0)
Read/Write
00h
Table 4
–
21. Serial Bus Data Register Description
BIT
SIGNAL
TYPE
FUNCTION
7
–
0
SBDATA
RW
Serial bus data. This bit field represents the data byte in a read or write transaction on the serial interface.
On reads, the REQBUSY bit must be polled to verify that the contents of this register are valid.
4.50 Serial Bus Index Register
The serial bus index register is for programmable serial bus byte reads and writes. This register represents the byte
address when generating cycles on the serial bus interface. To write a byte, the serial bus data register must be
programmed with the data, this register must be programmed with the byte address, and the serial bus slave address
must be programmed with both the 7-bit slave address and the read/write indicator.
On byte reads, the word address is programmed into this register
,
the serial bus slave address must be programmed
with both the 7-bit slave address and the read/write indicator bit, and bit 5 (REQBUSY) in the serial bus control and
status register (see Section 4.52) must be polled until clear. Then the contents of the serial bus data register are valid
read data from the serial bus interface. See Table 4
–
22 for a complete description of the register contents.
Bit
7
6
5
4
3
2
1
0
Name
Serial bus index
Type
RW
RW
RW
RW
RW
RW
RW
RW
Default
0
0
0
0
0
0
0
0
Register:
Offset:
Type:
Default:
Serial bus index
B1h (function 0)
Read/Write
00h
Table 4
–
22. Serial Bus Index Register Description
BIT
SIGNAL
TYPE
FUNCTION
7
–
0
SBINDEX
RW
Serial bus index. This bit field represents the byte address in a read or write transaction on the serial interface.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PCI1620PDV | Controller Miscellaneous - Datasheet Reference |
| PCI2050A | 32-Bit. 66MHz. 9-Master PCI-to-PCI Bridge |
| PCI2050GHK | BUS CONTROLLER |
| PCI2050PDV | BUS CONTROLLER |
| PCI9054AB50BI | Interface IC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCI1620PDV | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI PC Card Flash & Smart Card Cntrlr RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| PCI-1620U | 制造商:ADVANTECH 制造商全稱:Advantech Co., Ltd. 功能描述:8-port RS-232 PCI Communication Card, with Surge Protection |
| PCI1620ZHK | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI PC Card Flash & Smart Card Cntrlr RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| PCI-1622A-BE | 制造商:Advantech Co Ltd 功能描述:8PORT RS-422/485 PCI COM CARD - Trays 制造商:Advantech Co Ltd 功能描述:8-port RS-422/485 UPCI COMM card |
| PCI-1622CU | 制造商:ADVANTECH 制造商全稱:Advantech Co., Ltd. 功能描述:8-port RS-422/485 Universal PCI Communication Card with Isolation & EFT Protection |
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