MCP434X MICROCHIP [Microchip Technology], MCP434X Datasheet - Page 32
![no-image](/images/no-image-200.jpg)
MCP434X
Manufacturer Part Number
MCP434X
Description
7/8-Bit Quad SPI Digital POT with Non-Volatile Memory
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.MCP434X.pdf
(80 pages)
- Current page: 32 of 80
- Download datasheet (3Mb)
MCP434X/436X
4.2
The device memory is 16 locations that are 9-bits wide
(16x9 bits). This memory space contains both volatile
and non-volatile locations (see
TABLE 4-1:
DS22233A-page 32
Note 1:
Address
0Ch
0Dh
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
0Ah
0Bh
0Eh
0Fh
2:
Memory Map
Volatile Wiper 0
Volatile Wiper 1
Non-Volatile Wiper 0 EEPROM
Non-Volatile Wiper 1 EEPROM
Volatile
TCON0 Register
Status Register
Volatile Wiper 2
Volatile Wiper 3
Non-Volatile Wiper 2 EEPROM
Non-Volatile Wiper 3 EEPROM
Volatile
TCON1 Register
Data EEPROM
Data EEPROM
Data EEPROM
Data EEPROM
Data EEPROM
When an EEPROM write is active, these are invalid commands and will generate an error condition. The
user should use a read of the Status register to determine when the write cycle has completed. To exit the
error condition, the user must take the CS pin to the V
V
This command on this address will generate an error condition. To exit the error condition, the user must
take the CS pin to the V
IHH
).
Function
MEMORY MAP AND THE SUPPORTED COMMANDS
Table
EEPROM
EEPROM
EEPROM
EEPROM
EEPROM
Memory
IH
Type
RAM
RAM
RAM
RAM
RAM
RAM
RAM
4-1).
level and then back to the active state (V
Increment, Decrement
Increment, Decrement
Increment, Decrement
Increment, Decrement
Allowed Commands
Read, Write
Read, Write
Read, Write
Read, Write
Read, Write
Read, Write
Read, Write
Read, Write
Read, Write
Read, Write,
Read, Write,
Read, Write,
Read, Write,
Read, Write
Read, Write
Read
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
IH
level and then back to the active state (V
Write, Increment, Decrement
Disallowed Commands
Increment, Decrement
Increment, Decrement
Increment, Decrement
Increment, Decrement
Increment, Decrement
Increment, Decrement
Increment, Decrement
Increment, Decrement
Increment, Decrement
Increment, Decrement
Increment, Decrement
IL
or V
—
—
—
—
IHH
© 2009 Microchip Technology Inc.
).
(2)
8-bit
7-bit
8-bit
7-bit
8-bit
7-bit
8-bit
7-bit
Initialization
Factory
000h
000h
000h
000h
000h
IL
or
80h
40h
80h
40h
80h
40h
80h
40h
—
—
—
—
—
—
—
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