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參數資料
| 型號： | TSB12C01APZ |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | High-Speed Serial-Bus Link-Layer Controller |
| 中文描述： | 高速串行總線鏈路層控制器 |
| 文件頁數： | 15/59頁 |
| 文件大小： | 275K |
| 代理商： | TSB12C01APZ |
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2–3
CYCLEOUT indicates to the cyclemaster node that it is time to send a cycle-start packet. And, on
noncyclemaster nodes, CYCLEOUT indicates that it is time to expect a cycle-start packet. The cycle-start
bit is set when the cycle-start packet is sent from the cyclemaster node or received by a noncyclemaster
node.
2.1.6
The cycle monitor is only used by nodes that support isochronous data transfer. The cycle monitor observes
chip activity and handles scheduling of isochronous activity. When a cycle-start message is received or sent,
the cycle monitor sets the cycle-started interrupt bit. It also detects missing cycle-start packets and sets the
cycle-lost interrupt bit when this occurs. When the isochronous cycle is complete, the cycle monitor sets the
cycle-done-interrupt bit. The cycle monitor instructs the transmitter to send a cycle-start message when the
cycle-master bit is set in the control register.
Cycle Monitor
2.1.7
The CRC module generates a 32-bit CRC for error detection. This is done for both the header and data. The
CRC module generates the header and data CRC for transmitting packets and checks the header and data
CRC for received packets. See the IEEE 1394-1995 standard for details on the generation of the CRC
.
Cyclic Redundancy Check (CRC)
2.1.8
The internal registers control the operation of the TSB12C01A. The register definitions are specified in
Section 3.
Internal Registers
2.1.9
The host bus interface allows the TSB12C01A to be easily connected to most host processors. This host
bus interface consists of a 32-bit data bus and an 8-bit address bus. The TSB12C01A utilizes cycle-start
and cycle-acknowledge handshake signals to allow the local bus clock and the 1394 clock to be
asynchronous to one another. The TSB12C01A is interrupt driven to reduce polling.
Host Bus Interface
This is the same CRC used by the IEEE802 LANs and the X3T9.5 FDDI.
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相關代理商/技術參數 |
參數描述 |
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| TSB12C01AWN | 制造商:TI 制造商全稱:Texas Instruments 功能描述:High-Speed Serial-Bus Link-Layer Controller |
| TSB12LV01A | 制造商:Texas Instruments 功能描述: |
| TSB12LV01AIPZ | 制造商:TI 制造商全稱:Texas Instruments 功能描述:IEEE 1394 (Firewire) Bus Interface/Controller |
| TSB12LV01APZ | 制造商:TI 制造商全稱:Texas Instruments 功能描述:High-Speed Serial-Bus Link-Layer Controller |
| TSB12LV01B | 制造商:TI 制造商全稱:Texas Instruments 功能描述:IEEE 1394-1995 HIGH SPEED SERIAL BUS LINK LAYER CONTROLLER |
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