參數(shù)資料
型號: FW322
英文描述: 1394A PCI PHY/Link Open Host Controller Interface
中文描述: 1394A端口物理層的PCI /鏈接開放主機(jī)控制器接口
文件頁數(shù): 11/148頁
文件大小: 1723K
代理商: FW322
Lucent Technologies Inc.
11
Data Sheet, Rev. 1
February 2001
FW322
1394A PCI PHY/Link Open Host Controller Interface
FW322 Functional Description
(continued)
FW322 continues its repeater function. If the PHY then receives a link-on packet, the internal LinkOn signal is
activated to output a 6.114 MHz signal, which can be used by the LLC to power itself up. Once the LLC is powered
up, the internal LPS signal communicates this to the PHY and the internal PHY/link interface is enabled. Internal
LinkOn signal is turned off when LCtrl bit is set.
Three of the signals are used to set up various test conditions used in manufacturing. These signals (SE, SM, and
PTEST) should be connected to V
SS
for normal operation.
5-5459(F) j
Figure 2. PHY Core Block Diagram
LINK
INTERFACE
I/O
RECEIVED
DATA
DECODER/
RETIMER
ARBITRATION
AND
CONTROL
STATE
MACHINE
LOGIC
BIAS
VOLTAGE
AND
CURRENT
GENERATOR
CABLE PORT 1
OSCILLATOR,
PLL SYSTEM,
AND
CLOCK
GENERATOR
TRANSMIT
DATA
ENCODER
CABLE PORT 0
TPA0+
TPA0
TPB0+
TPB0
R0
R1
TPBIAS0
TPBIAS1
TPB1+
TPB1
TPA1+
TPA1
XI
XO
CPS
LPS
SYSCLK
LREQ
CTL0
CTL1
D0
D1
D2
D3
D4
D5
D6
D7
CONTENDER
SE
SM
RESETN
CRYSTAL
PC0
PC1
PC2
LINKON
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