MCP4431-104E/ML Microchip Technology, MCP4431-104E/ML Datasheet - Page 53

• Manufacturer Part Number: MCP4431-104E/ML
• Description: IC POT 100K QUAD 7BIT 20QFN
• Manufacturer: Microchip Technology

Specifications of MCP4431-104E/ML

• Package / Case: 20-VFQFN Exposed Pad
• Resistance (ohms): 100K
• Taps: 129
• Number Of Circuits: 4
• Temperature Coefficient: *
• Memory Type: Volatile
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Number Of Pots: Quad
• Taps Per Pot: 129
• Resistance: 100 KOhms
• Wiper Memory: Volatile
• Digital Interface: I2C
• Operating Supply Voltage: 1.8 V to 5.5 V
• Supply Current: 600 uA
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 1.8 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 6-11:
 2010 Microchip Technology Inc.
S
S
S
Reserved 7-bit Commands (by I
MCP44XX 7-bit Commands
The Following is a Microchip Extension to this General Call Format
MCP44XX 7-bit Commands
The Following is a “Hardware General Call” Format
0 0 0
0 0 0
0 0 0
‘0000 011’b - Reset and write programmable part of slave address by hardware.
‘0000 010’b - Write programmable part of slave address by hardware.
‘0000 000’b - NOT Allowed
‘1000 01x’b - Increment Wiper 0 Register.
‘1001 01x’b - Increment Wiper 1 Register.
‘1000 10x’b - Decrement Wiper 0 Register.
‘1001 10x’b - Decrement Wiper 1 Register.
‘1000 00d’b - Write Next Byte (Third Byte) to Volatile Wiper 0 Register.
‘1001 00d’b - Write Next Byte (Third Byte) to Volatile Wiper 1 Register.
‘1100 00d’b - Write Next Byte (Third Byte) to TCON Register.
General Call Address
General Call Address
General Call Address
0
0
0
General Call Formats.
0 0 0 0
0 0 0 0
0 0 0 0
A
A
A
2
C Specification - NXP UM10204_3, Version 03 19, June 2007)
X X X X
X X X X
X X X X
“7-bit Command”
“7-bit Command”
“7-bit Command”
Second Byte
Second Byte
Second Byte
X
X
X
X X 0 A P
X d
X X 1 A
0 A
This indicates a “Hardware General Call”
MCP44XX will ignore this byte and
all following bytes (and A), until
a Stop bit (P) is encountered.
‘0’ for General Call Command
d
X X X X
n occurrences of (Data + A)
d
Third Byte
d
MCP443X/5X
d
d
X
d
X X X A P
d
DS22267A-page 53
d A P