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