PTN3392 데이터 시트보기 (PDF) - NXP Semiconductors.
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PTN3392 Datasheet PDF : 32 Pages
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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 109
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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