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參數(shù)資料
| 型號： | CYW15G0101DXB |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | Single-channel HOTLink II Transceiver(單通道熱連接II收發(fā)器) |
| 中文描述： | 單通道HOTLink II收發(fā)器（單通道熱連接二收發(fā)器） |
| 文件頁數(shù)： | 19/39頁 |
| 文件大?。?/td> | 450K |
| 代理商： | CYW15G0101DXB |
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CYV15G0101DXB
CYW15G0101DXB
CYP15G0101DXB
Document #: 38-02031 Rev. *J
Page 19 of 39
Receive Modes
The operating mode of the receive path is set through the
RXMODE input. The ‘Reserved for test’ setting (RXMODE =
M) is not allowed, even if the receiver is not being used, as it
will stop normal function of the device. When the decoder is
disabled, the RXMODE setting is ignored as long as it is not a
test mode. These modes determine the RXST status
reporting. The different receive modes are listed in
Table 12
.
Power Control
The CYP(V)(W)15G0101DXB supports user control of the
powered up or down state of the Transmit and Receive
channel. The Receive channel is controlled by the RXLE
signal and the values present on the BOE[1:0] bus.
The Transmit channel is controlled by the OELE signal and the
values present on the BOE[1:0] bus. If either the Transmit or
the Receive channel is not used, then powering down the
unused channel will save power and reduce system heat
generation. Controlling system power dissipation will improve
the system performance.
Receive Channel
When RXLE = HIGH, the signal on the BOE[0] input directly
controls the power enable for the receive PLL and the analog
circuit. When BOE[0] = HIGH, the Receive channel and its
analog circuits are active. When BOE[0] = LOW, the Receive
channel and its analog circuits are powered down. When
RXLE returns LOW, the values present on the BOE[1:0] inputs
are latched in the Receive Channel Enable Latch. When a
disabled receive channel is re-enabled, the status of the LFI
output and data on the parallel outputs for the Receive channel
may be indeterminate for up to 2 ms.
Transmit Channel
When OELE = HIGH, the signals on the BOE[1:0] inputs
directly control the power enables for the Serial Drivers. When
a BOE[1:0] input is HIGH, the associated Serial Driver is
enabled. When a BOE[1:0] input is LOW, the associated Serial
Driver is disabled. When both Serial Drivers are powered
down, the logic in the entire transmit channel is also powered
down. When OELE returns LOW, the values present on the
BOE[1:0] inputs are latched in the Output Enable Latch.
Device Reset State
When the CYP(V)(W)15G0101DXB is reset by assertion of
TRSTZ, both the Transmit Enable and Receive Enable
Latches are cleared, and the BIST Enable Latch is preset. In
this state, the Transmit and Receive channels are disabled,
and BIST is disabled.
Following a device reset, it is necessary to enable the transmit
and receive channels for normal operation. This can be done
by sequencing the appropriate values on the BOE[1:0] inputs
while the OELE and RXLE signals are raised and lowered. For
systems that do not require dynamic control of power, or want
the part to power up in a fixed configuration, it is also possible
to strap the RXLE and OELE control signals HIGH to perma-
nently enable their associated latches. Connection of the
associated BOE[1:0] signals to a stable HIGH will then enable
the Transmit and Receive channels as soon as the TRSTZ
signal is deasserted.
Output Bus
The receive channel presents a 12-signal output bus
consisting of
an eight-bit data bus
a three-bit status bus
a parity bit.
The bit assignments of the Data and Status are dependent on
the setting of DECMODE. This mapping is shown in
Table 13
.
Table 13. Output Register Bit Assignments
[15]
When the 10B/8B Decoder is bypassed (DECMODE = LOW),
the framed 10-bit character is presented to the receiver Output
Register, along with a status output (COMDET) indicating if the
character in the Output Register is one of the selected framing
characters. The bit usage and mapping of the external signals
to the raw 10B transmission character is shown in
Table 14
.
Table 14. Decoder Bypass Mode (DECMODE = LOW)
Note:
15. The RXOP output is also driven from the Output Register, but its interpretation is under the separate control of PARCTL.
Table 12. Receive Operating Modes
RX Mode
RXST Status Reporting
Mode
Number
0
1
2
RXMODE
L
M
H
Status A
Reserved for test
Status B
Signal Name
RXST[2]
(LSB)
RXST[1]
RXST[0]
RXD[0]
RXD[1]
RXD[2]
RXD[3]
RXD[4]
RXD[5]
RXD[6]
RXD[7]
(MSB)
DECMODE
=
LOW
COMDET
DOUT[0]
DOUT[1]
DOUT[2]
DOUT[3]
DOUT[4]
DOUT[5]
DOUT[6]
DOUT[7]
DOUT[8]
DOUT[9]
DECMODE
=
MID
or HIGH
RXST[2]
RXST[1]
RXST[0]
RXD[0]
RXD[1]
RXD[2]
RXD[3]
RXD[4]
RXD[5]
RXD[6]
RXD[7]
Signal Name
RXST[2]
(LSB)
RXST[1]
RXST[0]
RXD[0]
RXD[1]
RXD[2]
RXD[3]
RXD[4]
RXD[5]
RXD[6]
RXD[7]
(MSB)
Bus Weight
COMDET
2
0
2
1
2
2
2
3
2
4
2
5
2
6
2
7
2
8
2
9
10B Name
a
b
c
d
e
i
f
g
h
j
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|---|---|
| CYW15G0101DXB-BBC | 功能描述:電信線路管理 IC Sngl Ch XCVR COM RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| CYW15G0101DXB-BBI | 功能描述:電信線路管理 IC Sngl Ch XCVR IND RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| CYW15G0101DXB-BBXC | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Single-channel HOTLink II⑩ Transceiver |
| CYW15G0101DXB-BBXI | 功能描述:電信線路管理 IC HOTLink II 1.5Gbps Single Channel RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| CYW15G0201DXB | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Dual-channel HOTLink II⑩ Transceiver |
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