EP4CE40 datasheet(138/488 Pages) ALTERA

138 / 488 page

6–32

Chapter 6: I/O Features in Cyclone IV Devices

High-Speed I/O Standards Support

Cyclone IV Device Handbook,

May 2013

Altera Corporation

Volume 1

RSDS, Mini-LVDS, and PPDS I/O Standard Support in Cyclone IV Devices

The RSDS, mini-LVDS, and PPDS I/O standards are used in chip-to-chip applications

between the timing controller and the column drivers on the display panels such as

LCD monitor panels and LCD televisions. Cyclone IV devices meet the National

Semiconductor Corporation RSDS Interface Specification, Texas Instruments

mini-LVDS Interface Specification, and National Semiconductor Corporation PPDS

Interface Specification to support RSDS, mini-LVDS and PPDS output standards,

respectively.

f For Cyclone IV devices RSDS, mini-LVDS, and PPDS output electrical specifications,

refer to the Cyclone IV Device Datasheet chapter.

f For more information about the RSDS I/O standard, refer to the RSDS specification

from the National Semiconductor website (www.national.com).

Designing with RSDS, Mini-LVDS, and PPDS

Cyclone IV I/O banks support RSDS, mini-LVDS, and PPDS output standards. The

right I/O banks support true RSDS, mini-LVDS, and PPDS transmitters. On the top

and bottom I/O banks, RSDS, mini-LVDS, and PPDS transmitters are supported using

two single-ended output buffers with external resistors. The two single-ended output

buffers are programmed to have opposite polarity.

Figure 6–15 shows an RSDS, mini-LVDS, or PPDS interface with a true output buffer.

Figure 6–16 shows an RSDS, mini-LVDS, or PPDS interface with two single-ended

output buffers and external resistors.

Figure 6–15. Cyclone IV Devices RSDS, Mini-LVDS, or PPDS Interface with True Output Buffer on

the Right I/O Banks

Figure 6–16. RSDS, Mini-LVDS, or PPDS Interface with External Resistor Network on the Top and

Bottom I/O Banks

(1)

Cyclone IV Device

100

True RSDS, Mini-LVDS,

or PPDS Transmitter

RSDS, Mini-LVDS,

or PPDS Receiver

100

Cyclone IV Device

Resistor Network

Emulated RSDS,

Mini-LVDS, or PPDS

Transmitter

RSDS, Mini-LVDS,

or PPDS Receiver

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