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參數資料
| 型號： | ICS1894KI-32LF |
| 廠商： | IDT, Integrated Device Technology Inc |
| 文件頁數： | 3/50頁 |
| 文件大?。?/td> | 0K |
| 描述： | PHYCEIVER LOW PWR 3.3V 32QFN |
| 標準包裝： | 490 |
| 類型： | PHY 收發(fā)器 |
| 規(guī)程： | MII，RMII |
| 電源電壓： | 3.14 V ~ 3.47 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-VFQFN 裸露焊盤 |
| 供應商設備封裝： | 32-QFN 裸露焊盤（5x5） |
| 包裝： | 托盤 |
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ICS1894-32
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
PHYCEIVER
IDT 10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
11
ICS1894-32
REV M 021512
are ignored by the MAC.
Receive Error (RX_ER)
RX_ER is asserted for one or more REFIN periods to
indicate that an error (e.g. a coding error or any error that a
PHY is capable of detecting, and that may otherwise be
undetectable by the MAC sub-layer) was detected
somewhere in the frame presently being transferred from
the PHY. RX_ER transitions synchronously with respect to
REFIN. While CRS_DV is de-asserted, RX_ER has no
effect on the MAC.
Auto-MDI/MDIX Crossover
The ICS1894-32 includes the auto-MDI/MDIX crossover
feature. In a typical CAT 5 Ethernet installation the transmit
twisted pair signal pins of the RJ45 connector are crossed
over in the CAT 5 wiring to the partners receive twisted pair
signal pins and receive twisted pair to the partners transmit
twisted pair. This is usually accomplished in the wiring plant.
Hubs generally wire the RJ45 connector crossed to
accomplish the crossover. Two types of CAT 5 cables
(straight and crossed) are available to achieve the correct
connection. The Auto-MDI/MDIX feature automatically
corrects for miss-wired installations by automatically
swapping transmit and receive signal pairs at the PHY when
no link results. Auto-MDI/MDIX is automatic, but may be
disabled for test purposes by writing MDIO register 19 Bits
9:8 in the MDIO register. The Auto-MDI/MDIX function is
independent of Auto-Negotiation and preceeds
Auto-Negotiation when enabled.
Auto MDI/MDIX Table
Definitions:
straight
transmit = TP_AP & TP_AN
receive = TP_BP & TP_BN
cross
transmit = TP_BP & TP_BN
receive = TP_AP & TP_AN
AMDIX_EN (Pin 14) AMDIX enable pin with 20 kOhm
pull-up resistor
AMDIX_EN [19:9] MDIO register 19h bit 9
MDI_MODE [19:8] MDIO register 19h bit 8
AMDIX_EN
(pin 14)
AMDIX_EN
[Reg 19:9]
MDI_MODE
[Reg 19:8]
Tx/Rx MDI
Configuration
x
0
straight
x0
1
cross
0
1
x
straight
1
x
straight/cross (auto
select)
Default
1
0
straight/cross (auto
select)
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ICS1894KI-32LFT | 功能描述:PHYCEIVER LOW PWR 3.3V 32QFN RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發(fā)器 系列:PHYceiver™ 產品培訓模塊:RS-232 & USB Transceiver 標準包裝:2,000 系列:- 類型:收發(fā)器 驅動器/接收器數:1/1 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:16-SSOP 包裝:帶卷 (TR) 其它名稱:296-19849-2 |
| ICS1894KI-33LF | 制造商:Integrated Device Technology Inc 功能描述:PHYCEIVER LOW PWR 3.3V 32QFN |
| ICS1894KI-33LFT | 制造商:Integrated Device Technology Inc 功能描述:PHYCEIVER LOW PWR 3.3V 32QFN |
| ICS1894KI-34LF | 制造商:Integrated Device Technology Inc 功能描述:PHYCEIVER LOW PWR 3.3V 32QFN |
| ICS1894KI-34LFT | 制造商:Integrated Device Technology Inc 功能描述:PHYCEIVER LOW PWR 3.3V 32QFN |
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