MCP2210
TABLE 3-20: RESPONSE 1 STRUCTURE (CONTINUED)
Byte
Index
Meaning
11
GP7 Pin Designation
• GPIO = 0x00
• Chip Selects = 0x01
• Dedicated Function pin = 0x02
GP8 Pin Designation
12
• GPIO = 0x00
• Chip Selects = 0x01
• Dedicated Function pin = 0x02
Default GPIO Output – 16-bit value (low byte):
13
14
• MSB
–
–
–
–
–
–
LSB
GP7 GP6 GP5 GP4 GP3 GP2 GP1 GP0
Default GPIO Output – 16-bit value (high byte):
• MSB
x
–
x
–
x
–
x
–
x
–
x
–
x
LSB
GP8
where x = Don’t Care
Default GPIO Direction – 16-bit value (low byte):
• MSB
15
–
–
–
–
–
–
LSB
GP7DIR GP6DIR GP5DIR GP4DIR GP3DIR GP2DIR GP1DIR GP0DIR
16
17
Default GPIO Direction – 16-bit value (high byte):
• MSB
x
–
x
–
x
–
x
–
x
–
x
–
x
LSB
GP8DIR
Other Chip Settings – Enable/Disable Wake-up, Interrupt Counting, SPI Bus Release Options
• Bit 7 – Don’t Care
• Bit 6 – Don’t Care
• Bit 5 – Don’t Care
• Bit 4 – Remote Wake-up Enabled/Disabled
- 0– Remote Wake-up Disabled
- 1– Remote Wake-up Enabled
• Bit 3 – Dedicated Function – Interrupt Pin mode
• Bit 2 – Dedicated Function – Interrupt Pin mode
• Bit 1 – Dedicated Function – Interrupt Pin mode
- b111– Reserved
- b110– Reserved
- b101– Reserved
- b100– Count High Pulses
- b011– Count Low Pulses
- b010– Count Rising Edges
- b001– Count Falling Edges
- b000– No Interrupt Counting
• Bit 0 – SPI Bus Release Enable
- 0= SPI Bus is Released Between Transfer
- 1= SPI Bus is not released by the MCP2210 between transfers
NVRAM Chip Parameters Access Control
• 0x00 – Chip Settings Not Protected
• 0x40 – Chip Settings Protected By Password Access
• 0x80 – Chip Settings Permanently Locked
18
19 - 63 Don’t Care
2011 Microchip Technology Inc.
DS22288A-page 27
MICROCHIP [ MICROCHIP ]
