参数资料
型号: MCP4461T-502E/ML
厂商: Microchip Technology
文件页数: 60/100页
文件大小: 0K
描述: IC DGTL POT 257TAPS 5K 20QFN
标准包装: 3,300
接片: 257
电阻(欧姆): 5k
电路数: 4
温度系数: 标准值 150 ppm/°C
存储器类型: 非易失
接口: I²C(设备位址)
电源电压: 2.7 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 20-VFQFN 裸露焊盘
供应商设备封装: 20-QFN 裸露焊盘(4x4)
包装: 带卷 (TR)
MCP444X/446X
DS22265A-page 62
2010 Microchip Technology Inc.
TABLE 7-2:
MEMORY MAP AND THE SUPPORTED COMMANDS
Address
Command
Data
(10-bits) (1)
Comment
Value
Function
00h
Volatile Wiper 0
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
Increment Wiper
Decrement Wiper
01h
Volatile Wiper 1
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
Increment Wiper
Decrement Wiper
02h
NV Wiper 0
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
High Voltage Increment
Wiper Lock 0 Disable (4)
High Voltage Decrement
Wiper Lock 0 Enable (5)
03h
NV Wiper 1
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
High Voltage Increment
Wiper Lock 1 Disable (4)
High Voltage Decrement
Wiper Lock 1 Enable (5)
04h (2) Volatile
TCON 0 Register
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
05h (2) Status Register
Read Data (3)
nn nnnn nnnn
06h
Volatile Wiper 2
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
Increment Wiper
Decrement Wiper
07h
Volatile Wiper 3
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
Increment Wiper
Decrement Wiper
08h
NV Wiper 2
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
High Voltage Increment
Wiper Lock 2 Disable (4)
High Voltage Decrement
Wiper Lock 2 Enable (5)
09h
NV Wiper 3
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
High Voltage Increment
Wiper Lock 3 Disable (4)
High Voltage Decrement
Wiper Lock 3 Enable (5)
0Ah (2) Volatile
TCON 1 Register
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
0Bh (2) Data EEPROM
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
0Ch (2) Data EEPROM
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
0Dh (2) Data EEPROM
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
0Eh (2) Data EEPROM
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
0Fh
Data EEPROM
Write Data
nn nnnn nnnn
Read Data (3)
nn nnnn nnnn
High Voltage Increment
Write Protect Disable (4)
High Voltage Decrement
Write Protect Enable (5)
Note
1:
The Data Memory is only 9-bits wide, so the MSb is ignored by the device.
2:
Increment or Decrement commands are invalid for these addresses.
3:
I2C read operation will read 2 bytes, of which the 10-bits of data are contained within.
4:
Disables WiperLock Technology for wiper 0, wiper 1, wiper 2, wiper3, or disables Write Protect.
5:
Enables WiperLock Technology for wiper 0, wiper 1, wiper 2, wiper3, or enables Write Protect.
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