Datasheet > 935297872518

935297872518

更新时间： 2024-09-18 05:58:59

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
32页	257K
描述
SPECIALTY ANALOG CIRCUIT, PQCC48

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935297872518 数据手册

PTN3392

2-lane DisplayPort to VGA adapter IC

Rev. 5 — 5 June 2014

Product data sheet

1. General description

The PTN3392 is a DisplayPort to VGA adapter IC designed to connect a DisplayPort

source to a VGA sink. The PTN3392 integrates a DisplayPort receiver and a high-speed

triple video digital-to-analog converter that supports display resolutions from VGA to

WUXGA (see Table 5). The PTN3392 supports either one or two DisplayPort v1.1a lanes

operating at either 2.7 Gbit/s or 1.62 Gbit/s per lane. The PTN3392 has ‘Flash-over-AUX’

capability enabling simple firmware upgradability in the field.

The PTN3392 supports I²C-bus over AUX per DisplayPort v1.1a specification (Ref. 1),

and bridges the VESA DDC channel to the DisplayPort Interface.

The PTN3392 is designed for single supply and minimizes application costs. It can be

powered directly from the DisplayPort source side 3.3 V supply without a need for

additional core voltage regulator. The VGA output is powered down when there is no valid

DisplayPort source data being transmitted. The PTN3392 also aids in monitor detection

by performing load sensing and reporting sink connection status to the source.

2. Features and benefits

2.1 VESA-compliant DisplayPort v1.1a converter

 Main Link: 1-lane and 2-lane modes supported

 HBR (High Bit Rate) at 2.7 Gbit/s per lane

 RBR (Reduced Bit Rate) at 1.62 Gbit/s per lane

 BER (Bit Error Rate) better than 10^9

 Down-spreading SSC (Spread Spectrum Clocking) supported

 1 MHz AUX channel

 Supports native AUX CH syntax

 Supports I²C-bus over AUX CH syntax

 Hot Plug Detect (HPD) signal to the source

 Cost-effective design optimized for VGA application

2.2 DDC channel output

 Supports 100 kbit/s I²C-bus speed, declared in DPCD register

 Support of I²C-bus speed control by DisplayPort source via DPCD registers,

facilitating use of longer VGA cables

 I²C Over Aux feature facilitates full support of MCCS, DDC-CI, and DDC protocols

(see Ref. 2)

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