Datasheet

MCP2210
DS22288A-page 40  2011 Microchip Technology Inc.
3.2.3.1 Responses
TABLE 3-39: RESPONSE 1 STRUCTURE
Byte
Index
Meaning
0 0x20 – Get (VM) GPIO Current Chip Settings – echos back the given command code
1 0x00 – Command Completed Successfully
2 Don’t Care
3 Don’t Care
4 GP0 Pin Designation
• GPIO = 0x00
• Chip Selects = 0x01
• Dedicated Function pin = 0x02
5 GP1 Pin Designation
• GPIO = 0x00
• Chip Selects = 0x01
• Dedicated Function pin = 0x02
6 GP2 Pin Designation
• GPIO = 0x00
• Chip Selects = 0x01
• Dedicated Function pin = 0x02
7 GP3 Pin Designation
• GPIO = 0x00
• Chip Selects = 0x01
• Dedicated Function pin = 0x02
8 GP4 Pin Designation
• GPIO = 0x00
• Chip Selects = 0x01
• Dedicated Function pin = 0x02
9 GP5 Pin Designation
• GPIO = 0x00
• Chip Selects = 0x01
• Dedicated Function pin = 0x02
10 GP6 Pin Designation
• GPIO = 0x00
• Chip Selects = 0x01
• Dedicated Function pin = 0x02
11 GP7 Pin Designation
• GPIO = 0x00
• Chip Selects = 0x01
• Dedicated Function pin = 0x02
12 GP8 Pin Designation
• GPIO = 0x00
• Chip Selects = 0x01
• Dedicated Function pin = 0x02
13 Default GPIO Output – 16-bit value (low byte):
• MSB – – – – – – LSB
GP7 GP6 GP5 GP4 GP3 GP2 GP1 GP0