User Guide for MICROCHIP models including: ATA8510 Serial Peripheral Interface Command Sheet, ATA8510, Serial Peripheral Interface Command Sheet, Peripheral Interface Command Sheet
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DocumentDocumentATA8510 Serial Peripheral Interface Command Sheet Introduction This user guide provides a summary of all Serial Peripheral Interface (SPI) commands available with the ATA8510 Ultra High Frequency (UHF) product family, including a detailed command description, the setup procedure, command coding, and descriptions of the available parameters. This document also includes the SPI timing calculation, which helps to ensure proper timing in the application. This document is applicable for the following products: · ATA8510 · ATA8515 · ATA8210 · ATA8215 · ATA8710 © 2021 Microchip Technology Inc. and its subsidiaries User Guide DS50003234A-page 1 ATA8510 Table of Contents Introduction.....................................................................................................................................................1 1. Quick References....................................................................................................................................3 1.1. Reference Documentation............................................................................................................3 1.2. Acronyms and Abbreviations........................................................................................................3 2. SPI Commands Overview....................................................................................................................... 4 3. SPI Timing Calculation............................................................................................................................ 7 4. Document Revision History.....................................................................................................................8 The Microchip Website...................................................................................................................................9 Product Change Notification Service..............................................................................................................9 Customer Support.......................................................................................................................................... 9 Microchip Devices Code Protection Feature.................................................................................................. 9 Legal Notice................................................................................................................................................... 9 Trademarks.................................................................................................................................................. 10 Quality Management System....................................................................................................................... 11 Worldwide Sales and Service.......................................................................................................................12 © 2021 Microchip Technology Inc. and its subsidiaries User Guide DS50003234A-page 2 ATA8510 Quick References 1. Quick References 1.1 Reference Documentation For further details, refer to the ATA8510/15 Industrial User's Guide (DS50003142). 1.2 Acronyms and Abbreviations Table 1-1. Acronyms and Abbreviations Acronyms/Abbreviations EEPROM Description Electrically Erasable Programmable Read-only Memory FIFO First-In First-Out FW Firmware IRQ Interrupt Request ROM RSSI Read-only Memory Received Signal Strength Indicator RX Receiver SPI Serial Peripheral Interface SRAM Static Random Access Memory SCK Serial Clock SFIFO Support First In First Out TX Transmitter uC Microcontroller UHF Ultra High Frequency © 2021 Microchip Technology Inc. and its subsidiaries User Guide DS50003234A-page 3 ATA8510 SPI Commands Overview 2. SPI Commands Overview Following are the SPI commands and their descriptions. Figure 2-1. SPI Commands Read Fill Level RX FIFO Host uC ATA8510 CMD [0x01] events.system 0x00 events.events /CS active Read Fill Level TX FIFO Host uC ATA8510 CMD [0x02] events.system 0x00 events.events /CS active Read Fill Level RSSI FIFO Host uC ATA8510 CMD [0x03] events.system 0x00 events.events /CS active 0x00 data 0x00 data 0x00 data Requested information System status Not used from FW Get Event Bytes Host uC ATA8510 CMD [0x04] events.system 0x00 0x00 events.events events.power /CS active 0x00 events.config This command reads out four flag bytes. By starting this read out, the event pin will be reset by the firmware. events. system events power config Bit 7 SYS_ERR IDCHKA PWRON PathB Bit 6 CMD_RDY WCOKA - PathA Bit 5 Bit 4 SYS_RDY AVCCLOW SOTA EOTA NPWRON6 NPWRON5 ch[1:0] Bit 3 LOWBATT IDCHKB NPWRON4 - Bit 2 SFIFO WCOKB NPWRON3 Bit 1 DFIFO_RX SOTB NPWRON2 ser[2:0] Bit 0 DFIFO_TX EOTB NPWRON1 Read RSSI FIFO Host uC ATA8510 CMD [0x05] length 0x00 0x00 ... events.system events.events dummy data ... /CS active 0x00 data This command reads the number (length) from the RSSI FIFO buffer. Read RX FIFO Host uC ATA8510 CMD [0x06] length 0x00 0x00 ... events.system events.events dummy data ... /CS active 0x00 data This command reads the number (length) from the RX FIFO buffer. Write SRAM / Register Host uC ATA8510 CMD [0x07] events.system Read SRAM / Register Host uC ATA8510 CMD [0x08] events.system Write EEPROM Host uC ATA8510 CMD [0x09] events.system length events.events addr_high addr_low dummy dummy /CS active length events.events addr_high addr_low dummy dummy /CS active addr_high addr_low events.events dummy /CS active data dummy data dummy 0x00 dummy ... ... 0x00 data data dummy ... ... 0x00 data This command writes data to the addressed SRAM cell, AVR register, DSP register or FE register, starting with the defined address and for the defined length. This command reads data from the addressed SRAM cell, AVR register, DSP register or FE register, starting with the defined address and for the defined length. This command writes data to the addressed EEPROM cell. Read EEPROM Host uC ATA8510 CMD [0x0A] events.system addr_high addr_low events.events dummy /CS active 0x00 dummy 0x00 data This command reads data from the addressed EEPROM cell. Write TX FIFO Host uC ATA8510 CMD [0x0B] events.system Write TX Preamble FIFO Host uC ATA8510 CMD [0x0C] events.system length data events.events dummy /CS active length data events.events dummy /CS active ... data ... dummy ... data ... dummy This command writes the defined number (length) of data to the TX FIFO, which will be transmitted if a threshold is reached (Data + Preamble Fill level). This command writes the defined number (length) of data and instructions to the TX Preamble FIFO (SFIFO), which will be transmitted if a threshold is reached (Data + Preamble Fill level). © 2021 Microchip Technology Inc. and its subsidiaries User Guide DS50003234A-page 4 ATA8510 SPI Commands Overview Set System Mode Host uC ATA8510 CMD [0x0D] events.system systemModeConfig events.events /CS active serviceChannelConfig dummy Name systemMode Config Name serviceChannel Config Bit 7 RF_CAL Bit 7 enaPathB Bit 6 ANT_ TUNE Bit 6 enaPathA Bit 5 VCO_ TUNE Bit 4 IDLEMode Selector Bit 5 Bit 4 channel[1:0] Bit 3 - Bit 3 - for OPM PollingMode only Name serviceChannel Config Bit 7 - Bit 6 - Bit 5 - Bit 4 - Bit 3 Bit 2 TMDEN Bit 2 Bit 1 Bit 0 OPM[1:0] Bit 1 service[2:0] Bit 0 Bit 2 Bit 1 startPollingIndex Bit 0 Requested information System status Not used from FW OPM 0:0 IDLEMode OPM 0:1 TXMode OPM 1:0 RXMode OPM 1:1 PollingMode Calibrate and Check Host uC ATA8510 CMD [0x0E] events.system tuneCheckConfig events.events /CS active serviceChannelConfig dummy Name tuneCheck Config Name serviceChannel Config Bit 7 Bit 6 EN_ EN_ ANT_TUNE TEMP_MEAS Bit 7 Bit 6 enaPathB enaPathA Bit 5 EN_ SRCCAL Bit 4 EN_ FRCCAL Bit 5 Bit 4 channel[1:0] Bit 3 EN_ VCOCAL Bit 3 - This command starts a calibrate, tune or self-check action on the requested path, channel and service. Bit 2 - Bit 2 Bit 1 EN_SELF CHECK Bit 1 service[2:0] Bit 0 - Bit 0 Read RX FIFO Byte Interrupt Host uC ATA8510 CMD [0x1D] 0x01 events.system events.events 0x01 ... data ... /CS active 0x01 data 0x00 data 0x00 data Read RSSI FIFO Byte Interrupt Host uC CMD [0x1E] 0x01 0x01 ... 0x01 0x00 0x00 ATA8510 events.system events.events data ... data data data /CS active The increment mechanism needs to be performed as followed to ensure that the right data will be provided: Parameter at byte n-x [x>=2] = 0x01 Parameter at byte n-y [y<=1] = 0x00 [n = number of bytes transmitted via SPI] This command reads the data from the RX FIFO buffer without the definition of length. This command reads the data from the RSSI FIFO buffer without the definition of length. Get Version ROM Host uC ATA8510 CMD [0x12] events.system Get Version Flash Host uC ATA8510 CMD [0x13] events.system 0x00 events.events /CS active 0x00 events.events 0x00 rom version 0x00 0x00 rom version flash version high byte /CS active 0x00 flash version low byte 0x00 cust. specific version System Reset Host uC ATA8510 CMD [0x15] 0x00 events.system events.events /CS active OFF Command Host uC ATA8510 CMD [0x18] 0x00 events.system events.events /CS active Set Voltage Monitor Host uC ATA8510 CMD [0x17] value events.system events.events /CS active 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 disable 2.0V 2.1V 2.2V 2.3V 2.4V 2.5V 2.6V 0x08 0x09 0x0A 0x0B 0x0C 0x0D 0x0E 0x0F 2.7V 2.8V 2.9V 3.0V 3.1V 3.2V 3.3V 3.4V © 2021 Microchip Technology Inc. and its subsidiaries User Guide DS50003234A-page 5 ATA8510 SPI Commands Overview Start RSSI Measurement Host uC CMD [0x1B] serviceChannelConfig ATA8510 events.system events.events /CS active Note: For details on how this byte is structured, see serviceChannelConfig of Set System Mode command. Get RSSI Value Host uC ATA8510 CMD [0x1C] events.system 0x00 0x00 events.events RSSAV /CS active Read Temperature Value Host uC ATA8510 CMD [0x19] events.system 0x00 events.events 0x00 tempVal_high /CS active 0x00 RSSPK 0x00 tempVal_low Init SRAM Service Host uC ATA8510 CMD [0x1A] events.system sramServiceNr events.events /CS active eepServiceNr dummy Customer Configurable Command Host uC ATA8510 CMD [0x14] 0x00 events.system events.events /CS active Patch SPI Host uC ATA8510 CMD [0x0F] parameter events.system events.events /CS active Trigger EEPROM Secure Write Host uC ATA8510 CMD [0x16] events.system 0xAA events.events /CS active 0xCC 0xF0 dummy dummy Requested information System status Not used from FW © 2021 Microchip Technology Inc. and its subsidiaries User Guide DS50003234A-page 6 ATA8510 SPI Timing Calculation 3. SPI Timing Calculation Figure 3-1. SPI Timing Calculation NSS SCK T0 T1 T2 T2 T2 T3 T4 T0 Time T0 T1 T2 T3 T4 Timing at 40% interrrupt usage 0 or 25 µs 17.6 µs 16 µs 35.1 µs 16.1 µs Description Time from NSS LOW to AVR active sleep mode is enabled Time from AVR active to beginning of first telegram byte Time to shift in one SPI-byte with f_SCK Time to handle last byte SPI idle time telegram Depend on 0 µs if no sleep mode is used or 25 µs for any sleep mode INT1 IRQ (falling edge) f_SCK at 500 kHz (maximum) SPI RX/TX buffer IRQ Note: Depends on SPI command INT1 IRQ (rising edge) Timing calculation done with AVR core clock of 5.7 MHz *2) needed for SPI command "Read RX Buffer" and "Read RSSI Buffer" Read Fill Level RX FIFO 0 Read Fill Level TX FIFO 0 Read Fill Level RSSI FIFO 0 Get Event Bytes 0 Read RSSI FIFO 120 Read RX FIFO 120 Write SRAM Register 110 Read SRAM Register 120 Write EEPROM 55 Read EEPROM 0 Write TX FIFO 110 Write TX Preamble FIFO 110 Set System Mode 55 Calibrate and Check 50 Patch SPI XX Get Version ROM Get Version Flash Customer Configurable Commmand System Reset Trigger EEPROM Secure Write Set Voltage Monitor OFF Command Read Temperature Value Init SRAM Service Start RSSI Measurement Get RSSI Value Read RX FIFO Byte Interrupt Read RSSI FIFO Byte Interrupt Timing 25 s 45 cycles (ISR) + 15 cycles interrupt response time 8 bit / 500 kbit/s max. 120 cycles (*2) 40 cycles (ISR) + 15 cycles interrupt response time 0 0 XX 0 65 85 0 0 50 55 0 70 70 © 2021 Microchip Technology Inc. and its subsidiaries User Guide DS50003234A-page 7 4. 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