Maxim Integrated MAX32664 - Page 3

Maxim Integrated Page 3 of 52
List of Figures
Figure 1. MAX32664 block diagram. ........................................................................................................ 9
Figure 2. MAXREFDES101# block diagram. ............................................................................................. 10
Figure 3. Pin connections between the host and the MAX32664. ........................................................... 12
Figure 4. Entering bootloader mode using the RSTN pin and the MFIO GPIO pin. ................................... 13
Figure 5. Entering application mode using the RSTN pin and MFIO pin................................................... 14
Figure 6. I
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C Write/Read data transfer from host microcontroller. ........................................................ 15
Figure 7. Sequence to enter bootloader mode. ...................................................................................... 45
Figure 8. Page number byte 0x44 from the .msbl file. ............................................................................ 45
Figure 9. Initialization vector bytes 0x28 to 0x32 from the .msbl file. ..................................................... 45
Figure 10. Authentication bytes 0x34 to 0x43 from the .msbl file. .......................................................... 45
Figure 11. Send page bytes 0x4C to 0x205B from the .msbl file. ............................................................. 46
Figure 12. Sequence to enter application mode. .................................................................................... 47
Figure 13. MAX32664 in-application programming flowchart. ............................................................... 49
List of Tables
Table 1. MAX32664 Variants, Matching Algorithms, and Reference Designs ............................................ 5
Table 2. RSTN Pin and GPIOs Pins .......................................................................................................... 12
Table 3. Additional GPIOs Used on the MAX32664 for the MAXREFDES220# ......................................... 13
Table 4. Additional GPIOs Used on the MAX32664 for the MAXREFDES101# ......................................... 13
Table 5. Read Status Byte Value ............................................................................................................. 15
Table 6. MAX32664 I
2
C Message Protocol Definitions ........................................................................... 19
Table 7. Sensor Hub Status Byte ............................................................................................................ 35
Table 8. Output FIFO Format Definitions ................................................................................................ 35
Table 10. MAX32664GWEA I
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C Annotated Application Mode Example .................................................. 39
Table 11. MAX32664GWEB I
2
C Annotated Application Mode Example .................................................. 40
Table 12. MAX32664GWEC I
2
C Annotated Application Mode Example .................................................. 41
Table 13. MAX32664GWED I
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C Annotated Application Mode Example .................................................. 43
Table 14. Annotated I
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C Trace for Flashing the Application ................................................................... 45
Table 15. MAX32664 I
2
C Message Protocol Definitions ......................................................................... 50