Datasheet

 2014 Microchip Technology Inc. DS20005292A-page 47
MCP2221
11 GP2 output value status 0xEE If GP2 is not set for GPIO operation
Any other
value
If GP2 is already set for GPIO operation, the value will be copied from
the same byte index in the command structure.
12 Alter GP2 pin direction
(enable/disable)
0xEE If GP2 is not set for GPIO operation
Any other
value
If GP2 is already set for GPIO operation, the value will be copied from
the same byte index in the command structure.
13 GP2 pin direction
(input or output)
0xEE If GP2 is not set for GPIO operation
Any other
value
If GP2 is already set for GPIO operation, the value will be copied from
the same byte index in the command structure.
14 Alter GP3 output
(enable/disable) status
0xEE If GP3 is not set for GPIO operation
Any other
value
If GP3 is already set for GPIO operation, the value will be copied from
the same byte index in the command structure.
15 GP3 output value status 0xEE If GP3 is not set for GPIO operation
Any other
value
If GP3 is already set for GPIO operation, the value will be copied from
the same byte index in the command structure.
16 Alter GP3 pin direction
(enable/disable)
0xEE If GP3 is not set for GPIO operation
Any other
value
If GP3 is already set for GPIO operation, the value will be copied from
the same byte index in the command structure.
17 GP3 pin direction
(input or output)
0xEE If GP3 is not set for GPIO operation
Any other
value
If GP3 is already set for GPIO operation, the value will be copied from
the same byte index in the command structure.
18-63 Don’t
care
TABLE 3-33: RESPONSE 1 STRUCTURE (CONTINUED)
Byte
Index
Function
Description
Value Effect