Datasheet

 2014 Microchip Technology Inc. DS20005292A-page 25

MCP2221

23 SDA line value –

as read from the pin

24 Interrupt edge detector state 0 or 1

25 I

C Read pending value 0, 1 or 2 This field is used by the USB host to know if the MCP2221

still has to read from a slave device.

26-45 Don’t care Any value

46 MCP2221 Hardware Revision

Major (‘A’)

47 MCP2221 Hardware Revision

Minor (‘6’)

48 MCP2221 Firmware Revision

Major (‘1’)

49 MCP2221 Firmware Revision

Minor (‘1’)

50-55 ADC Data (16-bit) values. 3 x (16-bit) little-endian ADC channel values.

56-63 Don’t care Any value

TABLE 3-2: RESPONSE 1 STRUCTURE (CONTINUED)

Byte

Index

Function Description Value Effect