CML Microcircuits COMMUNICATION SEMICONDUCTORS PRODUCT DATA AMENDMENT CMX866 Publication PDA/866/5 May 2008 The Product Data Amendment series of documents is produced to provide basic details of changes to CML data publications. 1.0 Introduction 1.1 This document describes the changes made to the CMX866 datasheet, Publication No: D/866/4 January 2004 to produce the updated version: D/866/5 May 2008. 2.0 Reference Document(s) 2.1 Product datasheet: D/866/5 May 2008. 3.0 Products Affected 2.0 Reference Document(s) 3.1 All current CMX866 ICs 4.0 Additions and Alterations � Section 1.4.3; Serial Interface; Text modified (Page 11) � Section 1.4.4; RESETN pin; Text modified (Page 12) � Section 1.5.4.4; Extended AT Commands; &Tn Loopback Connection; Text modified (Page 24) � Section 1.6; Application Notes; Figure 12 RS232 Level Converter Example (CTR21); Diagram updated; Level Converter re-specified (Page 40) � Section 1.6; Application Notes; Figure 12 Component List; Level Converter information updated (Page 42) � Section 1.7.1.3; Operating Characteristics; DTMF Decoder; DTMF Detect Response Time re-specified (Page 50) � Section 1.7.1.3; Operating Characteristics; Notes; Note 17 added (Page 50) © CML Microcircuits 2008 QAF297 - 1