Epson S1C05251 Manuals

Manuals and User Guides for Epson S1C05251. We have 1 Epson S1C05251 manual available for free PDF download: Technical Manual

Epson S1C05251 Technical Manual

Epson S1C05251 Technical Manual (40 pages)

CMOS CALLING NUMBER IDENTIFICATION RECEIVER IC

Brand: Epson | Category: Receiver | Size: 0.35 MB

Table of Contents

Table of Contents
5
Overview
7
Features
7
Block Diagram
8
Pin Assignment
8
Pin Description
9
Power Supply Block and Initial Reset
12
Power Supply
12
Initial Reset
12
Functional Description
13
Register Description
13
Outputs from the #RDET, #IRQ and #DET Pins
18
Input Amp Circuit
19
Differential Input
19
Single End Input
20
Ring/Line Reversal Signal Detection
21
FSK Demodulation
21
Dual-Tone Detection
22
Off-Hook Detection
22
Precautions on Mounting
23
Electrical Characteristics
25
Absolute Maximum Ratings
25
Recommended Operating Conditions
25
DC Characteristics
25
Current Consumption
25
Crystal Oscillation Characteristics
26
FSK Demodulation Circuit Characteristics
26
FSK AC Characteristics
26
FSK Switching Characteristics
26
FSK Energy Detection Mode AC Characteristics
27
FSK Energy Detection Mode Switching Characteristics
27
Dual-Tone (CAS) Detection Circuit Characteristics
28
CAS AC Characteristics
28
CAS Switching Characteristics
28
Call Progress Mode (CPM) Detection Circuit Characteristics
29
CPM AC Characteristics
29
CPM Switching Characteristics
29
Serial Interface Circuit Characteristics
30
Serial Interface AC Characteristics
30
FSK Demodulated Data Read Mode
31
CAS Detection Circuit Control-Register Write Mode
31
S1C05251 Timing Chart
32
Bellcore On-Hook Data Transfer
32
Bellcore Off-Hook Data Transfer
32
BT Idle State CLI Service
33
BT Loop State CLI Service
33
External Wiring Diagram (Example)
34
Example of Bellcore-Compatible Telephone Circuit
34
Example of Bellcore-Compatible Auxiliary Circuit
35
Package
36
Pad Layout
37
Pad Layout Diagram
37
Pad Coordinates
37

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