
PRELIMINARY
CYWUSB6941
Document #: 38-16004 Rev. *A
Page 2 of 14
TABLE OF CONTENTS
1.0 FEATURES ...................................................................................................................................... 1
2.0 APPLICATIONS ............................................................................................................................... 1
3.0 FUNCTIONAL OVERVIEW .............................................................................................................. 3
3.1 2.4-GHz Radio Transceiver and GFSK Modem .......................................................................... 3
3.2 Clocking ...................................................................................................................................... 3
3.3 Application Examples .................................................................................................................. 4
4.0 PIN DESCRIPTION .......................................................................................................................... 5
5.0 RADIO CONTROL INTERFACE ...................................................................................................... 8
5.1 Radio/Baseband Interface Connections ..................................................................................... 8
6.0 ABSOLUTE MAXIMUM RATINGS .................................................................................................. 9
7.0 OPERATING CONDITIONS ............................................................................................................. 9
8.0 DC CHARACTERISTICS ................................................................................................................. 9
9.0 RADIO SPECIFICATION ............................................................................................................... 10
10.0 AC CHARACTERISTICS .............................................................................................................. 11
10.1 Transmit and Receive Timing Diagrams ............................................................................... 12
11.0 AC Test Loads and Waveforms for Digital Pins ....................................................................... 13
12.0 ORDERING INFORMATION ........................................................................................................ 14
13.0 PACKAGE DESCRIPTION .......................................................................................................... 14
LIST OF FIGURES
Figure 2-1. CYWUSB6941 Block Diagram .............................................................................................. 1
Figure 3-1. CYWUSB6941 Application Example with External Components .......................................... 4
Figure 4-1. CYWUSB6941 42-Ball FBGA Top View................................................................................ 7
Figure 5-1. CYWUSB6941 Radio/Baseband Interface Diagram ............................................................. 8
Figure 10-1. Transmit and Receive Timing Diagram ............................................................................. 12
Figure 12-1. CYWUSB6941 Package Diagram ..................................................................................... 14
LIST OF TABLES
Table 4-1. Pin Description Table for the CYWUSB6941 ........................................................................ 5
Table 8-1. DC Parameters ...................................................................................................................... 8
Table 9-1. Radio Parameters .................................................................................................................. 9
Table 10-1. AC Timing Parameters ...................................................................................................... 10
Table 11-1. Ordering Information .......................................................................................................... 12