MCP413X/415X/423X/425X
TABLE 7-2:
MEMORY MAP AND THE SUPPORTED COMMANDS
Address
SPI String (Binary)
MOSI (SDI pin)
MISO (SDO pin) (2)
Data
Command
(10-bits) (1)
Value
Function
00h
Volatile Wiper 0
Volatile Wiper 1
Write Data
Read Data
Increment Wiper
Decrement Wiper
Write Data
Read Data
Increment Wiper
Decrement Wiper
—
nn nnnn nnnn
0000 00nn nnnn nnnn
0000 11nn nnnn nnnn
0000 0100
1111 1111 1111 1111
1111 111n nnnn nnnn
1111 1111
nn nnnn nnnn
—
—
0000 1000
1111 1111
01h
nn nnnn nnnn
0001 00nn nnnn nnnn
0001 11nn nnnn nnnn
0001 0100
1111 1111 1111 1111
1111 111n nnnn nnnn
1111 1111
nn nnnn nnnn
—
—
0001 1000
1111 1111
02h
03h
04h
Reserved
Reserved
—
—
—
—
—
—
—
Volatile
Write Data
Read Data
Read Data
—
nn nnnn nnnn
nn nnnn nnnn
nn nnnn nnnn
—
0100 00nn nnnn nnnn
0100 11nn nnnn nnnn
0101 11nn nnnn nnnn
—
1111 1111 1111 1111
1111 111n nnnn nnnn
1111 111n nnnn nnnn
—
TCON Register
05h
Status Register
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.
DS22060B-page 48
© 2008 Microchip Technology Inc.
MICROCHIP [ MICROCHIP ]
