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參數(shù)資料
| 型號： | CS8952-IQZ |
| 廠商： | Cirrus Logic Inc |
| 文件頁數(shù)： | 22/81頁 |
| 文件大小： | 0K |
| 描述： | IC TXRX 100/10 PHY 100TQFP |
| 標準包裝： | 90 |
| 類型： | 收發(fā)器 |
| 規(guī)程： | MII |
| 電源電壓： | 4.75 V ~ 5.25 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 100-LQFP |
| 供應(yīng)商設(shè)備封裝： | 100-TQFP（14x14） |
| 包裝： | 托盤 |
| 產(chǎn)品目錄頁面： | 759 (CN2011-ZH PDF) |
| 其它名稱： | 598-1208 |
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CS8952
CrystalLAN 100BASE-X and 10BASE-T Transceiver
29
DS206F1
A read transaction is indicated by an Opcode of 10
and a write by 01.
The PHY Address is five bits, with the most signif-
icant bit sent first. If the PHY address included in
the frame is not 00000 or does not match the PHY-
AD field of the Self Status Register (address 19h),
the rest of the frame is ignored.
The register address is five bits, with the most sig-
nificant bit sent first, and indicates the CS8952 reg-
ister to be written to/read from.
The Turnaround time is a two bit time spacing be-
tween when the MAC drives the last register ad-
dress bit onto MDIO and the data field of a
management frame in order to avoid contention
during a read transaction. For a read transaction,
the MAC should tri-state the MDIO pin beginning
on the first bit time, and the CS8952 will begin
driving the MDIO signal to a logic ZERO during
the second bit time. During write transactions,
since the MDIO direction does not need to be re-
versed, the MAC will drive the MDIO to a logic
ONE for the first bit time and a logic ZERO for the
second.
The data field is always 16 bits in length, with the
most significant bit sent first.
5. CONFIGURATION
The CS8952 can be configured in a variety of ways.
All control and status information can be accessed
via the MII Serial Management Interface. Addi-
tionally, many configuration options can be set at
power-up or reset times via individual control lines.
Some configuration capabilities are available at
any time via individual control lines.
5.1
Configuration At Power-up/Reset
Time
At power-up and reset time, the following pins are
used to configure the CS8952.
5.2
Configuration Via Control Pins
The following pins are for dedicated control signals
and can be used at any time to configure the
CS8952.
5.3
Configuration via the MII
The CS8952 supports configuration by software
control through the use of 16-bit configuration and
status registers accessed via the MDIO/MDC pins
(MII Management Interface). The first seven regis-
ters are defined by the IEEE 802.3 specification.
Additional registers extend the register set to pro-
vide enhanced monitoring and control capabilities.
Pin Name
Function
10BT_SER
Select 10BASE-T serial mode
AN[1:0]
Select auto-negotiation mode
BP4B5B
Bypass 4B5B coders
BPALIGN
Bypass 4B5B coders and scramblers
BPSCR
Bypass scramblers, enter FX mode
ISODEF
Electrically isolate MII after reset
LPSTRT
Start in low power mode
PHYAD[4:0]
Set MII PHY address
REPEATER
Control definition of CRS pin, enable
carrier integrity monitor and SQE func-
tion
MII_DRV
Set MII driver strength
TCM
Set TX_CLK mode
TXSLEW[1:0] Set 100BASE-TX transmitter output
slew rate
Pin Name
Function
LPBK
Enter loopback mode
PWRDN
Enter power-down mode
RESET
Reset
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CS8952-IQZR | 功能描述:以太網(wǎng) IC IC 100BASE-TX and 10BASE-T Transceiver RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
| CS8952T | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:100BASE E-X AND 10BASE-T TRANSCEIVER |
| CS8952T-CQ | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:100BASE E-X AND 10BASE-T TRANSCEIVER |
| CS8952T-IQ | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:100BASE E-X AND 10BASE-T TRANSCEIVER |
| CS8952T-IQR | 制造商:Cirrus Logic 功能描述:ETHERNET TXRX SGL CHIP 1-PORT 5V 10MBPS/100MBPS 100TQFP - Tape and Reel |
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