M306S0FADGP datasheet(3/208 Pages) RENESAS

3 / 208 page

Rev.5.01

Dec 10, 2009

page 3 of 201

REJ03B0014-0501

M16C/6S Group

IT800 PHY performance outline of M16C/6S group.

The IT800 PHY is a PLC optimized Physical Layer (PHY) which consists of IT800 modem core and internal

AFE (Analog Front End). The implementation of Yitran's patented DCSK spread spectrum modulation

technique in the IT800 modem core enables extremely robust communication over the existing electrical

wiring, with data rates up to 7.5Kbps. In addition to the inherent interference immunity provided by the

DCSK modulation, the IT800 PHY utilizes several mechanisms for enhanced communication robustness,

such as forward short block soft decoding error correction algorithm and special synchronization algo-

rithms.

The IT800PHY communicates M16C core with clock synchronous serial I/O, interrupt and input/output

ports in M16C/6S (Note). M16C/6S requires external AFE. Table 1.1.2 lists IT800 PHY performance outline

of M16C/6S group.

Table 1.1.2. IT800 PHY performance outline of M16C/6S group

Item

Performance

Features

High immunity to signal fading, various noise characteristics,

impedance modulation and phase/frequency distortion

High in-phase and cross-phase reliability

Modulation Technique

DCSK (Differential Code Shift Keying)*

*Yitran patented modulation technique

Error Correction/Detection

Forward short-block soft decoding error correction mechanism,

CRC-16

Complies with W/W Regulations

FCC, ARIB, EN50065-1-CENELEC

Data Rate &

FCC & ARIB

120-400 KHz

Frequency Band

7.5Kbps Standard Mode (SM)

5.0Kbps Robust Mode (RM)

1.25Kbps Extremely Robust Mode (ERM)

CENELEC

A-Band (Outdoor): 20-80 KHz

B-Band (Indoor): 95-125 KHz

2.5 Kbps Robust Mode (RM)

0.625Kbps Extremely Robust Mode (ERM)

Internal AFE

10bit-D/A converter, preamp,

1bit-A/D converter x 3 channels

Note:

Direct operation of IT800 PHY is not recommended. Since the Layer 2 (DLL) handles the channel access

procedure, using the IT800DLL as such assures coexistence with other IT800 technology based products,

regardless of the vendor, protocol and the application. There is NO such coexistence if the device is used

in direct operation of IT800 PHY. Note that the coexistence here is not with other technologies but with

other IT800 technology based products. As for details, please refer to the next section and Appendix.

About Firmware

Renesas recommends IT800DLL (Product name: D2DL) as a Data Link Layer (DLL) of M16C/6S group.

The IT800 DLL is a PLC optimized DLL especially for the products based on Yitran's IT800 technology. For

availability of IT800DLL, please contact Renesas technical support representative. For more details about

the IT800DLL advantages, please refer to Appendix.

Overview

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