MCP4332-503E/ST Microchip Technology, MCP4332-503E/ST Datasheet - Page 40

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MCP4332-503E/ST

Manufacturer Part Number
MCP4332-503E/ST
Description
IC DGTL POT QUAD 50K 14TSSOP
Manufacturer
Microchip Technology
Datasheet

Specifications of MCP4332-503E/ST

Taps
129
Resistance (ohms)
50K
Number Of Circuits
4
Temperature Coefficient
150 ppm/°C Typical
Memory Type
Volatile
Interface
SPI Serial
Voltage - Supply
1.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
14-TSSOP
Resistance In Ohms
50K
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
MCP433X/435X
4.2
Memory Map
The device memory supports 16 locations that are
9-bits wide (16x9 bits). This memory space contains
only volatile locations (see
Table
4-2).
4.2.1
VOLATILE MEMORY (RAM)
There are six volatile memory locations. These are:
• Volatile Wiper 0
• Volatile Wiper 1
• Volatile Wiper 2
• Volatile Wiper 3
• Terminal Control (TCON0) Register 0
• Terminal Control (TCON)1 Register 1
TABLE 4-2:
MEMORY MAP AND THE SUPPORTED COMMANDS
Memory
Address
Function
Type
00h
Volatile Wiper 0
RAM
01h
Volatile Wiper 1
RAM
02h
Reserved
03h
Reserved
04h
Volatile
RAM
TCON0 Register
05h
Reserved
06h
Volatile Wiper 2
RAM
07h
Volatile Wiper 3
RAM
08h
Reserved
09h
Reserved
0Ah
Volatile
RAM
TCON1 Register
0Bh-0Fh Reserved
Note 1:
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
level and then back to the active state (V
IH
DS22242A-page 40
The volatile memory starts functioning at the RAM
retention voltage (V
RAM
shown in
Table
4-1.
TABLE 4-1:
STANDARD SETTINGS
Resistance
Typical
Code
R
Value
AB
-502
5.0 k
-103
10.0 k
-503
50.0 k
-104
100.0 k
Allowed Commands
Disallowed Commands
Read, Write,
Increment, Decrement
Read, Write,
Increment, Decrement
None
All
None
All
Read, Write
Increment, Decrement
None
All
Read, Write,
Increment, Decrement
Read, Write,
Increment, Decrement
None
All
None
All
Read, Write
Increment, Decrement
None
All
or V
IL
). The POR/BOR Wiper code is
Wiper
Default
Code
POR Wiper
Setting
8-bit 7-bit
Mid scale
80h
40h
Mid scale
80h
40h
Mid scale
80h
40h
Mid scale
80h
40h
Factory
(1)
Initialization
7-bit
040h
8-bit
080h
7-bit
040h
8-bit
080h
1FFh
7-bit
040h
8-bit
080h
7-bit
040h
8-bit
080h
1FFh
).
IHH
 2010 Microchip Technology Inc.

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