MCP2210
TABLE 3-1:
Byte Index
9
COMMAND STRUCTURE (CONTINUED)
Meaning
GP5 Pin Designation
• GPIO = 0x00
• Chip Selects = 0x01
• Dedicated Function pin = 0x02
GP6 Pin Designation
• GPIO = 0x00
10
11
12
• 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
13
14
Default GPIO Output – 16-bit value (low byte):
• MSB
–
–
–
–
–
–
LSB
GP7VAL GP6VAL GP5VAL GP4VAL GP3VAL GP2VAL GP1VAL GP0VAL
Default GPIO Output – 16-bit value (high byte):
• MSB
x
–
x
–
x
–
x
–
x
–
x
–
x
LSB
GP8VAL
where x = Don’t Care
Default GPIO Direction – 16-bit value (low byte):
• MSB
15
16
–
–
–
–
–
–
LSB
GP7DIR GP6DIR GP5DIR GP4DIR GP3DIR GP2DIR GP1DIR GP0DIR
Default GPIO Direction – 16-bit value (high byte):
• MSB
x
–
x
–
x
–
x
–
x
–
x
–
x
LSB
GP8DIR
DS22288A-page 12
2011 Microchip Technology Inc.
MICROCHIP [ MICROCHIP ]
