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參數(shù)資料
| 型號(hào)： | CDB8952 |
| 廠商： | Cirrus Logic, Inc. |
| 英文描述： | CrystalLAN 100BASE-X and 10BASE-T Transceiver |
| 中文描述： | CrystalLAN個(gè)100Base - X和10Base - T的收發(fā)器 |
| 文件頁數(shù)： | 54/82頁 |
| 文件大?。?/td> | 1130K |
| 代理商： | CDB8952 |
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CS8952
54
CrystalLAN
100BASE-X and 10BASE-T Transceiver
9
MF Preamble
Enable
Read/Write 0
When set, this bit will force all management frames
(via MDIO, MDC) to be preceded by a 32 bit pream-
ble pattern of contiguous ones to be considered
valid. When cleared, it allows management frames
with or without the preamble pattern. The status of
this register is (inversely) reflected in the MF Pream-
ble bit in the Basic Mode Status Register (address
01h).
Note:
This bit is disabled, and writes to this bit are
ignored when the National Compatibility Mode bit of
the 10BASE-T Configuration Register (address 1Ch)
is set.
When set, internal timers are sped up significantly in
order to facilitate production test. Leave clear for
proper operation.
8
Fast Test
Read/Write 0
Note:
This bit is disabled, and writes to this bit are
ignored when the National Compatibility Mode bit of
the 10BASE-T Configuration Register (address 1Ch)
is set.
Setting this bit will disable (tri-state) the CLK25 out-
put pin, reducing digital noise and power consump-
tion.
7
CLK25 Disable
Read/Write When TCM pin is
low, reset to 1;
otherwise, reset to
0
Read/Write 1
6
Enable LT/100
When set, normal link status checking is enabled.
When clear, this bit forces the link status to Link OK
(at 100 Mb/s), and will assert the LINK_OK LED.
When set, this bit forces the Carrier Integrity Monitor
function to be disabled. When low, the Carrier Integ-
rity Monitor function is enabled, and detection of an
unstable link will disable the receive and transmit
functions.
When set, this bit forces the 10 Mb/s and 100 Mb/s
outputs to be inactive. When clear, normal transmis-
sion is enabled.
5
CIM Disable
Read/Write Reset to the logic
inverse of the
value on the
REPEATER pin.
4
Tx Disable
Read/Write 0
If Tx Disable is set while a packet is being transmit-
ted, transmission is completed and no subsequent
packets are transmitted until Tx Disable is cleared
again. Also, if Tx Disable is cleared while TX_EN is
high, the transmitter will remain disabled until TX_EN
is deasserted. This prevents fragments from being
transmitted onto the network.
BIT
NAME
TYPE
RESET
DESCRIPTION
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參數(shù)描述 |
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| CDB8952T | 功能描述:以太網(wǎng)開發(fā)工具 Eval Bd 100BASE-TX/ 10BASE-T Transceiver RoHS:否 制造商:Micrel 產(chǎn)品:Evaluation Boards 類型:Ethernet Transceivers 工具用于評(píng)估:KSZ8873RLL 接口類型:RMII 工作電源電壓: |
| CDB-9PF | 制造商:HRS 制造商全稱:HRS 功能描述:CD CRIMP TYPE CONNECTOR |
| CDB-9SF | 制造商:HRS 制造商全稱:HRS 功能描述:CD CRIMP TYPE CONNECTOR |
| CDBA1100 | 制造商:COMCHIP 制造商全稱:Comchip Technology 功能描述:SMD Schottky Barrier Rectifier |
| CDBA1100-G | 功能描述:肖特基二極管與整流器 SCHOTTKY DIODE 1A, 100V RoHS:否 制造商:Skyworks Solutions, Inc. 產(chǎn)品:Schottky Diodes 峰值反向電壓:2 V 正向連續(xù)電流:50 mA 最大浪涌電流: 配置:Crossover Quad 恢復(fù)時(shí)間: 正向電壓下降:370 mV 最大反向漏泄電流: 最大功率耗散:75 mW 工作溫度范圍:- 65 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-143 封裝:Reel |
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