Table of Contents

1.0 General Description ......................................................................................................................... 1

2.0 Features ........................................................................................................................................ 1

3.0 Applications .................................................................................................................................... 1

4.0 Block Diagram ................................................................................................................................ 1

5.0 Ordering Information ........................................................................................................................ 2

6.0 Pin Assignments ............................................................................................................................. 2

7.0 Signal Descriptions .......................................................................................................................... 5

7.1 TERMINATION OF UNUSED SIGNALS ........................................................................................... 6

8.0 Application Example ........................................................................................................................ 7

8.1 FEATURES .................................................................................................................................. 7

9.0 Clocks ........................................................................................................................................... 8

9.1 INTERNAL EXECUTION CYCLE ..................................................................................................... 8

9.2 BUFFERED CLOCK ...................................................................................................................... 8

9.3 CLOCK CONFIGURATION ............................................................................................................. 9

10.0 Reset ......................................................................................................................................... 10

10.1 EXTERNAL RESET ................................................................................................................... 10

10.2 POWER-ON RESET (POR) ........................................................................................................ 10

10.3 PIN CONFIGURATION AFTER RESET ........................................................................................ 10

10.4 DEVICE CONFIGURATION AFTER RESET ................................................................................. 11

10.5 CONFIGURATION INPUTS ........................................................................................................ 11

10.6 INITIALIZATION ........................................................................................................................ 11

10.7 INITIALIZATION EXAMPLE ........................................................................................................ 13

11.0 Halt Mode ................................................................................................................................... 13

11.1 ACCESS.bus ACTIVITY ............................................................................................................. 13

12.0 Keypad Interface ......................................................................................................................... 14

12.1 EVENT CODE ASSIGNMENT ..................................................................................................... 14

12.2 KEYPAD SCAN CYCLES ........................................................................................................... 14

12.2.1 Timing Parameters ................................................................................................................ 15

12.2.2 Multiple Key Pressings ........................................................................................................... 15

12.3 EXAMPLE KEYPAD CONFIGURATION ....................................................................................... 15

13.0 General-Purpose I/O Ports ............................................................................................................ 16

13.1 USING THE CONFIG_X PINS FOR GPIO .................................................................................... 17

13.2 GPIO TIMING ........................................................................................................................... 17

14.0 PWM Output Generation ............................................................................................................... 18

14.1 COMMAND QUEUE .................................................................................................................. 18

14.2 PWM TIMER OPERATION ......................................................................................................... 18

14.3 PWM SCRIPT COMMANDS ....................................................................................................... 19

14.4 RAMP COMMAND .................................................................................................................... 20

14.5 SET_PWM COMMAND .............................................................................................................. 20

14.6 GO_TO_START COMMAND ...................................................................................................... 20

14.7 BRANCH COMMAND ................................................................................................................ 20

14.8 END COMMAND ....................................................................................................................... 21

14.9 TRIGGER COMMAND ............................................................................................................... 21

14.10 PWM SCRIPT EXAMPLE ......................................................................................................... 21

14.10.1 PWM Channel 0 Script ......................................................................................................... 22

14.10.2 PWM Channel 1 Script ......................................................................................................... 22

14.10.3 PWM Channel 2 Script ......................................................................................................... 22

14.11 SELECTABLE SCRIPT EXAMPLE ............................................................................................. 23

15.0 Digital Multiplexers ....................................................................................................................... 24

16.0 Host Interface ............................................................................................................................. 25

16.1 START AND STOP CONDITIONS ............................................................................................... 25

16.2 CONTINUOUS COMMAND STRINGS ......................................................................................... 25

16.3 DEVICE ADDRESS ................................................................................................................... 25

16.4 HOST WRITE COMMANDS ....................................................................................................... 25

16.5 HOST READ COMMANDS ......................................................................................................... 26

16.6 INTERRUPTS ........................................................................................................................... 26

16.7 INTERRUPT CODE ................................................................................................................... 27

16.8 ERROR CODE .......................................................................................................................... 27

16.9 WAKE-UP FROM HALT MODE ................................................................................................... 27

17.0 Host Commands .......................................................................................................................... 28

17.1 READ_ID COMMAND ................................................................................................................ 29

17.2 WRITE_CFG COMMAND ........................................................................................................... 29

17.3 READ_INT COMMAND .............................................................................................................. 30

17.4 RESET COMMAND ................................................................................................................... 30

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