Epson SR3225SAA RF Transmitter Module Manuals

Epson SR3225SAA RF Transmitter Module Manuals

Manuals and User Guides for Epson SR3225SAA RF Transmitter Module. We have 1 Epson SR3225SAA RF Transmitter Module manual available for free PDF download: Applications Manual

Epson SR3225SAA Applications Manual

Epson SR3225SAA Applications Manual (57 pages)

RF Transmitter Module

Brand: Epson | Category: Control Unit | Size: 2 MB

Table of Contents

Table of Contents
3
1 Overview

5
2 Part Number

6
3 Block Diagram

7
4 Pin Assignments

8
- Pin Descriptions
  8
5 Electrical Characteristics

9
- Absolute Maximum Rating
  9
- DC Characteristics
  10
- AC Characteristics
  12
6 Function Description

16
- Outline
  16
- SPI Interface
  16
- SPI Interface Mode Change
  17
- SFR Access Command
  18
- SPI Checksum
  20
  - Transmit Command
    21
    
    Operating Modes
    25
- State Transition
  25
  - Control Signal Timing
    26
    
    Calculation for the Frequency Setting Value
    27
    
    Output Frequency Setting
    27
    
    FSK Modulator
    29
  - FSK Deviation Setting
    29
- ASK Modulation
  30
- Soft-FSK
  30
  - Output Power Setting
    30
- Antenna Tuning
  32
- Soft-ASK
  32
- Frequency Divider
  35
  - Frequency Divider Setting
    36
  - Output CMOS Driver
    37
    
    Status Monitor
    37
  - Transition Counter
    37
  - Oscillation Status Monitor
    37
7 SFR (Special Function Register)

38
8 Dimensions

50
9 Marking

51
10 Soldering Pattern

52
11 Application Note

53
12 Application Manual Revision History

55

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