參數(shù)資料
型號： MCP4461T-503E/ST
廠商： Microchip Technology
文件頁數(shù)： 60/100頁
文件大?。?/td> 0K
描述： IC DGTL POT 257TAPS 50K 20TSSOP
標準包裝： 2,500
接片： 257
電阻（歐姆）： 50k
電路數(shù)： 4
溫度系數(shù)： 標準值 150 ppm/°C
存儲器類型： 非易失
接口： I²C（設備位址）
電源電壓： 2.7 V ~ 5.5 V
工作溫度： -40°C ~ 125°C
安裝類型： 表面貼裝
封裝/外殼： 20-TSSOP（0.173"，4.40mm 寬）
供應商設備封裝： 20-TSSOP
包裝： 帶卷 (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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