User's Manual
Table Of Contents
- 1 Introduction
- Table of Contents
- 2 Description (continued)
- 3 Physical Characteristics
- 4 ELECTRICAL SPECIFICATIONS
- 5 System Description
- 5.1 Power Supplies
- 5.2 Receiver – Analog Section
- 5.3 Register Descriptions
- 5.4 Direct Commands From MCU to Reader
- 5.4.1 Command Codes
- 5.4.2 Reset
- 5.4.3 Transmission With CRC
- 5.4.4 Transmission Without CRC
- 5.4.5 Delayed Transmission With CRC
- 5.4.6 Delayed Transmission Without CRC
- 5.4.7 Transmission Next Slot
- 5.4.8 Receiver Gain Adjust
- 5.4.9 Test External RF (RSSI at RX input with TX OFF)
- 5.4.10 Test Internal RF (RSSI at RX input with TX ON)
- 5.4.11 Block Receiver
- 5.4.12 Enable Receiver
- 5.5 Reader Communication Interface
- 5.6 Parallel Interface Communication
- 5.7 Serial Interface Communication
- 5.8 External Power Amplifier Application
C001
C002
TRF7960
TRF7961
www.ti.com
SLOU186F–AUGUST 2006–REVISED AUGUST 2010
5.1.5 Timing Diagrams
CHIP POWER UP TO CLOCK START
Figure 5-1. Power Up [V
IN
(Blue) to Crystal Start (Red)]
CHIP ENABLE TO CLOCK START
Figure 5-2. EN2 Low and EN High (Blue) to Start of System Clock (Red)
Copyright © 2006–2010, Texas Instruments Incorporated System Description 15
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