User Manual

99
ATAR862-3
4556B–4BMCU–02/03
Table of Contents Features ................................................................................................. 1
Description ............................................................................................ 1
Pin Configuration .................................................................................. 2
Pin Description: RF Part ...................................................................... 2
Pin Description: Microcontroller Part ................................................. 3
UHF ASK/FSK Transmitter Block ........................................................ 4
Features ................................................................................................. 4
Description ............................................................................................ 4
General Description .............................................................................. 6
Functional Description ......................................................................... 6
ASK Transmission ................................................................................................6
FSK Transmission ................................................................................................6
CLK Output ...........................................................................................................7
Clock Pulse Take Over ...................................................................................7
Output Matching and Power Setting ...............................................................7
Application Circuit .................................................................................................8
Absolute Maximum Ratings ............................................................... 11
Thermal Resistance ............................................................................ 11
Electrical Characteristics ................................................................... 11
Microcontroller Block ......................................................................... 13
Features ............................................................................................... 13
Description .......................................................................................... 13
Introduction ......................................................................................... 14
MARC4 Architecture General Description ........................................ 14
Components of MARC4 Core ............................................................ 14
ROM ...................................................................................................................15
RAM ....................................................................................................................15
Expression Stack ..........................................................................................15