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| 型號(hào)： | TSB42AB4I |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | IEEE 1394 A CONSUMER ELECTRONICS LINK LAYER CONTROLLER |
| 中文描述： | 1394消費(fèi)電子產(chǎn)品鏈路層控制器 |
| 文件頁(yè)數(shù)： | 70/183頁(yè) |
| 文件大?。?/td> | 798K |
| 代理商： | TSB42AB4I |
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55
Table 55. Bit Description for Packet Control Token
BIT NAME
DESCRIPTION
Size
Size of the packet in quadlets
S
This bit is set when the token is attached to a self-ID packet.
P
This bit is set when the token is attached to a PHY packet.
rsv
Reserved
ACK
ACK code from the link receiver (5 bits). ACK code meanings are explained in Table 510.
pad
Number of bytes padded (e.g. data_length = 9
pad = 3)
spd
Speed code of the received packet
The default configuration for ceLynx is receive asynchronous data through buffer 5. The self-ID packets and
PHY configuration packets are received through buffer 6. These configurations can be changed in the
STREAMTYPE bits in the DB(N)CFG0 registers.
The asynchronous receive control bits are located in register RXDP(N)CFG1. These bits are active only
when the associated buffer is configured and enabled for asynchronous receive. Table 56 includes
information on asynchronous receive control. There are four general categories for asynchronous receive
control: nonbroadcast asynchronous, broadcast asynchronous, self-IDs, and PHY packets. Any
combination of control bits can be used for a selected buffer,
except
broadcast and nonbroadcast packets
cannot be received in the same buffer with a fixed configuration.
The receive asynchronous packet is steered to the lowest numbered buffer whose requirements are
satisfied.
Table 56. Asynchronous Receive Control
ASYNCHRONOUS PACKET RECEIVED
If set, then
only
broadcast packets are received by the selected buffer. This includes packets with
3FF destination ID only.
If set, then PHY packets are received by the selected buffer. This control bit can be used in
conjunction with any of the other control bits.
If set, then self-ID packets are received to the selected buffer. This control bit can be used in
conjunction with any of the other control bits.
If set, then all nonbroadcast asynchronous packets addressed to this node are received by the
selected buffer regardless of the 48-bit serial bus address contained in the asynchronous packet
header. This does not include PHY packets, self-ID packets, or broadcast packets.
CONTROL BIT
BROADCAST
RCVPHYPKT
RCVSELFID
RCVALLADDR
INITMEMLO
Destination address: bus, node, 00000, 0000000
If set, then all asynchronous packets addressed to lower half of initial space of IEEE 1394-1995 are
received by the selected buffer. This only includes packets with destination address between (bus,
node, 00000,0000000
bus, node, 7FFFF, FFFFFFF). This does not include PHY packets, self-ID
packets, or broadcast packets.
Destination address: bus, node, 80000, 0000000
If set, then all asynchronous packets addressed to upper half of initial space of IEEE 1394-1995 are
received to the selected buffer. This only includes packets with destination address between (bus,
node, 80000, 0000000
bus, node, FFFFD, FFFFFFF). This does not include PHY packets, self-ID
packets, or broadcast packets.
Destination address: bus, node, FFFFE, 0000000
If set, then all asynchronous packets addressed to private memory space specified by IEEE
1394-1995 are received by the selected buffer. This only includes packets with destination address
between (bus, node, FFFFE, 0000000
bus, node, FFFFE, FFFFFFF).
This does not include PHY
packets, self-ID packets, or broadcast packets.
bus, node, 7FFFF, FFFFFFF
INITMEMHI
bus, node, FFFFD, FFFFFFF
PRIVATE
bus, node, FFFFE, FFFFFFF
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PDF描述 |
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| TSB42AB4PGE | IEEE 1394 A CONSUMER ELECTRONICS LINK LAYER CONTROLLER |
| TSB43AA82A1 | 1394 integrated PHY and link layer controller(1394集成PHY和鏈路層控制器) |
| TSB81BA3I | IEEE 1394b THREE-PORT CABLE TRANSCEIVER/ARBITER |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| TSB42AB4IPDT | 功能描述:1394 接口集成電路 1394 Link Layer Cntrlr RoHS:否 制造商:Texas Instruments 類型:Link Layer Controller 工作電源電壓: 封裝 / 箱體:LQFP 封裝:Tray |
| TSB42AB4PDT | 功能描述:1394 接口集成電路 1394 Link Layer Cntrlr RoHS:否 制造商:Texas Instruments 類型:Link Layer Controller 工作電源電壓: 封裝 / 箱體:LQFP 封裝:Tray |
| TSB42AB4PDTG4 | 功能描述:1394 接口集成電路 Link Layer Cntrlr RoHS:否 制造商:Texas Instruments 類型:Link Layer Controller 工作電源電壓: 封裝 / 箱體:LQFP 封裝:Tray |
| TSB42AB4PGE | 制造商:TI 制造商全稱:Texas Instruments 功能描述:IEEE 1394 A CONSUMER ELECTRONICS LINK LAYER CONTROLLER |
| TSB42AC3 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:General purpose link layer ideal for a wide-range of applications |
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