Datasheet

© 2007 Microchip Technology Inc. DS21664D-page 45
MCP2502X/5X
7.5 Read A/D Registers Output
Message
When the MCP2502X/5X responds to a Read A/D Regs
IRM with an OM, the analog values are contained in
Register 7-7, Register 7-8 and Register 7-9.
REGISTER 7-7: A/D OM RESULT REGISTER (ANnH)
REGISTER 7-8: A/D OM RESULT REGISTER (AN32L)
R-x R-x R-x R-x R-x R-x R-x R-x
ANnR9 ANnR8 ANnR7 ANnR6 ANnR5 ANnR4 ANnR3 ANnR2
bit 7 bit 0
bit 7-0 ANnR9:ANnR2: Bits 9-2 of channel ‘n’ results
Legend:
R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’
- n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown
R-x R-x U-x U-x R-x R-x U-x U-x
AN3R.1 AN3R.0
— — AN2R.1 AN2R.0 — —
bit 7 bit 0
bit 7-6 AN3R.1:AN3R.0: A/D Channel 3, bits 1:0 results
bit 5-4 Unimplemented: Reads as ‘0’
bit 3-2 AN2R.1:AN2R.0: A/D Channel 2, bits 1:0 results
bit 1-0 Unimplemented: Reads as ‘0’
Legend:
R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’
- n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown