MCP2210 MICROCHIP [Microchip Technology], MCP2210 Datasheet - Page 27

• Manufacturer Part Number: MCP2210
• Description: USB-to-SPI Protocol Converter with GPIO (Master Mode)
• Manufacturer: MICROCHIP [Microchip Technology]

TABLE 3-20:
 2011 Microchip Technology Inc.
19 - 63
Index
Byte
12
13
14
15
16
17
18
11
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
Default GPIO Output – 16-bit value (high byte):
• MSB
where x = Don’t Care
Default GPIO Direction – 16-bit value (low byte):
• MSB
Default GPIO Direction – 16-bit value (high byte):
• MSB
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
• Bit 3 – Dedicated Function – Interrupt Pin mode
• Bit 2 – Dedicated Function – Interrupt Pin mode
• Bit 1 – Dedicated Function – Interrupt Pin mode
• Bit 0 – SPI Bus Release Enable
NVRAM Chip Parameters Access Control
• 0x00 – Chip Settings Not Protected
• 0x40 – Chip Settings Protected By Password Access
• 0x80 – Chip Settings Permanently Locked
Don’t Care
GP7DIR GP6DIR GP5DIR GP4DIR GP3DIR GP2DIR GP1DIR GP0DIR
GP7
- 0 – Remote Wake-up Disabled
- 1 – Remote Wake-up Enabled
- 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
- 0 = SPI Bus is Released Between Transfer
- 1 = SPI Bus is not released by the MCP2210 between transfers
x
x
RESPONSE 1 STRUCTURE (CONTINUED)
GP6 GP5 GP4 GP3 GP2 GP1 GP0
–
–
x
–
x
–
–
x
–
x
–
–
–
x
–
x
–
–
x
–
–
x
–
–
x
–
–
x
–
x
–
–
x
–
GP8DIR
Meaning
LSB
LSB
GP8
LSB
–
–
LSB
MCP2210
DS22288A-page 27