Datasheet > DP83826E

DP83826E

更新时间： 2023-09-03 20:32:16

品牌	Logo	应用领域
德州仪器 - TI		以太网局域网（LAN）标准
页数	文件大小	规格书
154页	3616K
描述
具有 MII 接口和 ENHANCED 模式的低延迟 10/100Mbps 以太网 PHY

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数据手册

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DP83826E 数据手册

DP83826E, DP83826I

ZHCSKM7F –DECEMBER 2019 –REVISED NOVEMBER 2022

www.ti.com.cn

5 Mode Comparison Tables

The DP83826 can be strapped to operate in either ENHANCED mode or BASIC mode. ENHANCED mode

allows the DP83826 to support real-time Ethernet applications in addition to standard Ethernet applications.

BASIC mode allows the DP83826 to support standard Ethernet applications. Additionally, the DP83826 pinout in

BASIC mode matches a common PHY pinout used in many applications.

表5-1. Selecting EHANCED Mode or BASIC Mode

ENHANCED Mode

BASIC Mode

Connect ModeSelect (Pin 1) to VDDIO through pullup resistor

Short ModeSelect (Pin 1) to GND

表5-2. Pin Map Difference Between ENHANCED Mode and BASIC Mode

PIN NO.

ENHANCED MODE

CLKOUT/LED1

PWRDN/INT

BASIC MODE

LED1/TX_ER

INT

DESCRIPTION

Offers reference clockout 25 MHz at POR. Clock is not

interrupted by RST_N.

Offers power down as default pin function

表5-3. Hardware Bootstraps Difference Between ENHANCED Mode and BASIC Mode

HARDWARE BOOTSTRAPS

ENHANCED Mode⁽³⁾

BASIC Mode

Fast link-drop enable and disable⁽¹⁾

Yes

MLT3_error and Signal Energy

enabled by default

Fast link-drop detection mechanism

Strap controllable

Auto-MDIX enable and disable⁽¹⁾

Force MDI/MDIX selection⁽¹⁾

RMII back-to-back repeater mode configuration⁽²⁾

MII or RMII selection

Yes

Speed selection (10 M or 100 M)

MII isolate enable and disable

Auto-negotiation enable and disable

Number of PHY addresses available

Half or full duplex selection

Yes

CLKOUT in place of LED1

Odd Nibble Detection

Strap controllable

Disabled by default

(1) These pin bootstraps enable the ENHANCED mode DP83826 to meet the stringent requirements of real-time Ethernet applications.

(2) This pin bootstrap enables the ENHANCED mode DP83826 to function as an RMII repeater.

(3) ENHANCED mode includes all the modes of operation BASIC mode can be configured to. The difference is, in these modes of

operation, ENHANCED mode may require register configuration.

备注

For a step by step approach on using the DP83826 BASIC mode in existing systems that use a

common standard Ethernet pinout, please refer to SNLA338.

备注

For standardized list of Ethernet related acronyms, refer to Chinese and English Definitions of

Acronyms Related to Ethernet Products.

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与DP83826E相关器件

型号	品牌	获取价格	描述	数据表
DP83826ERHBR	TI	获取价格	具有 MII 接口和 ENHANCED 模式的低延迟 10/100Mbps 以太网 PHY
DP83826ERHBT	TI	获取价格	具有 MII 接口和 ENHANCED 模式的低延迟 10/100Mbps 以太网 PHY
DP83826I	TI	获取价格	具有工业温度范围的低延迟 10/100Mbps PHY、MII 接口和 ENHANCED
DP83826IRHBR	TI	获取价格	具有工业温度范围的低延迟 10/100Mbps PHY、MII 接口和 ENHANCED
DP83826IRHBT	TI	获取价格	具有工业温度范围的低延迟 10/100Mbps PHY、MII 接口和 ENHANCED
DP83840A	NSC	获取价格	10/100 Mb/s Ethernet Physical Layer
DP83840AVCE	TI	获取价格	10/100 Mb/s Ethernet Physical Layer
DP83840AVCE/NOPB	TI	获取价格	SPECIALTY TELECOM CIRCUIT, PQFP100
DP83843	NSC	获取价格	PHYTER
DP83843	TI	获取价格	具有光纤和 AUI 支持的 10/100Mbps 以太网 PHY 收发器

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