MCP2210 Datasheet, PDF (26/82 Pages) Microchip Technology – USB-to-SPI Protocol Converter with GPIO (Master Mode)

MCP2210
3.1.7 GET POWER-UP CHIP SETTINGS
TABLE 3-19: COMMAND STRUCTURE
Byte
Index
Meaning
0
1
2
3-63
0x61 – Get NVRAM Settings – command code
0x20 – Get Power-up Chip Settings – sub-command code
0x00 – Reserved
0x00 – Reserved
3.1.7.1 Responses
TABLE 3-20: RESPONSE 1 STRUCTURE
Byte
Index
Meaning
0
0x61 – Get NVRAM Settings – echos back the given command code
1
0x00 – Command Completed Successfully
2
0x20 – Sub-command Echoed Back for Get Power-up Chip Settings code
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
DS22288A-page 26
 2011 Microchip Technology Inc.