Datasheet

MCP413X/415X/423X/425X
DS22060B-page 48 © 2008 Microchip Technology Inc.
TABLE 7-2: MEMORY MAP AND THE SUPPORTED COMMANDS
Address
Command
Data
(10-bits)
(1)
SPI String (Binary)
Value Function
MOSI (SDI pin) MISO (SDO pin)
(2)
00h Volatile Wiper 0 Write Data nn nnnn nnnn 0000 00nn nnnn nnnn 1111 1111 1111 1111
Read Data nn nnnn nnnn 0000 11nn nnnn nnnn 1111 111n nnnn nnnn
Increment Wiper — 0000 0100 1111 1111
Decrement Wiper — 0000 1000 1111 1111
01h Volatile Wiper 1 Write Data nn nnnn nnnn 0001 00nn nnnn nnnn 1111 1111 1111 1111
Read Data nn nnnn nnnn 0001 11nn nnnn nnnn 1111 111n nnnn nnnn
Increment Wiper — 0001 0100 1111 1111
Decrement Wiper — 0001 1000 1111 1111
02h Reserved — — — —
03h Reserved — — — —
04h Volatile
TCON Register
Write Data nn nnnn nnnn 0100 00nn nnnn nnnn 1111 1111 1111 1111
Read Data nn nnnn nnnn 0100 11nn nnnn nnnn 1111 111n nnnn nnnn
05h Status Register Read Data nn nnnn nnnn 0101 11nn nnnn nnnn 1111 111n nnnn nnnn
06h-0Fh Reserved — — — —
Note 1: The Data Memory is only 9-bits wide, so the MSb is ignored by the device.
2: All these Address/Command combinations are valid, so the CMDERR bit is set. Any other Address/Command
combination is a command error state and the CMDERR bit will be clear.