ZMOTION

Product Specification

PS028506-1110

PRELIMINARY

iv

Table of Contents

Overview.................................................................................................................................................1

Features .............................................................................................................................................................. 1

Block Diagram ........................................................................................................................................2

MCU Part Selection Guide and Reference .............................................................................................3

PIR Technology Revisions.................................................................................................................................. 3

Pin Configurations ..................................................................................................................................4

Overview ............................................................................................................................................................. 4

Signal Descriptions ............................................................................................................................................. 6

Memory Map...........................................................................................................................................9

Flash Memory (Code Space) .............................................................................................................................. 9

RAM Memory Map (Register Files)................................................................................................................... 10

Peripherals............................................................................................................................................11

Peripheral Availability........................................................................................................................................ 11

ADC................................................................................................................................................................... 12

Timers ............................................................................................................................................................... 13

Watchdog Timer................................................................................................................................................ 13

Comparator ....................................................................................................................................................... 13

UART ................................................................................................................................................................ 14

Oscillator Control............................................................................................................................................... 14

Flash Memory ................................................................................................................................................... 14

Interrupt Controller ............................................................................................................................................ 14

Temperature Sensor ......................................................................................................................................... 14

Low-Power Operational Amplifier ..................................................................................................................... 15

Non-Volatile Data Storage ................................................................................................................................ 15

Pin Configurations............................................................................................................................................. 15

General-Purpose Input/Output.......................................................................................................................... 15

Hardware Connection Requirements....................................................................................................16

Zilog’s PIR Technology and API ...........................................................................................................17

General Operation ............................................................................................................................................ 17

PIR Engine Timer Tick ...................................................................................................................................... 17

PIR Engine Entry Points ................................................................................................................................... 17

PIR Engine CPU Stack Usage.......................................................................................................................... 18

Standard API Register Set....................................................................................................................19

PIR Engine Enable Register (ePIR_Enable) .................................................................................................... 20

PIR Sensitivity Register (ePIR_Sensitivity)....................................................................................................... 20

PIR Status/Control Register 0 (ePIR_SC0) ...................................................................................................... 21

PIR Status/Control Register 1 (ePIR_SC1) ...................................................................................................... 23

PIR Status/Control Register 2 (ePIR_SC2) ...................................................................................................... 25

PIR Status/Control Register 3 (ePIR_SC3) - 28 Pin SSOP.............................................................................. 25

PIR Status/Control Register 3 (ePIR_SC3) - 20 Pin SSOP.............................................................................. 25

PIR Status/Control Register 3 (ePIR_SC3) - 8 Pin SOIC ................................................................................. 25

PIR ADC Result Value (ePIR_ADC_Result)..................................................................................................... 26

PIR Version (ePIR_Version) ............................................................................................................................. 27

Advanced API Register Set ..................................................................................................................28

PIR Advanced Status/Control Register 0 (ePIR_ASC0)................................................................................... 29

PIR Advanced Status/Control Register 2 (ePIR_ASC2)................................................................................... 31

PIR Process Rate (ePIR_Process_Rate) ......................................................................................................... 32

PIR Sample Size Register (ePIR_Sample_Size).............................................................................................. 32

PIR Debounce Time Register (ePIR_Debounce) ............................................................................................. 32