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MCP2221 Datasheet(PDF) 25 Page - Microchip Technology

Part # MCP2221
Description  USB 2.0 to I2C??UART Protocol Converter with GPIO
PDF  80 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP2221 Datasheet(HTML) 25 Page - Microchip Technology

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 2015 Microchip Technology Inc.
DS20005292B-page 25
MCP2221
23
SDA line value –
as read from the pin
24
Interrupt edge detector state
0 or 1
25
I2C 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 (CH0 LSB,
CH0 MSB, CH1 LSB, CH1 MSB, CH2 LSB, CH2 MSB).
56-63 Don’t care
Any value
TABLE 3-2:
RESPONSE 1 STRUCTURE (CONTINUED)
Byte
Index
Function Description
Value
Effect



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