I2C Write Sequ" />
參數(shù)資料
型號: MCP4441-104E/ML
廠商: Microchip Technology
文件頁數(shù): 63/100頁
文件大小: 0K
描述: IC DGTL POT 129TAPS QUAD 20QFN
標準包裝: 91
接片: 129
電阻(歐姆): 100k
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-VFQFN 裸露焊盤
供應商設備封裝: 20-QFN 裸露焊盤(4x4)
包裝: 管件
2010 Microchip Technology Inc.
DS22265A-page 65
MCP444X/446X
FIGURE 7-2:
I2C Write Sequence.
FIGURE 7-3:
I2C Continuous Volatile Wiper Write.
Control Byte
WRITE Command
Write Data bits
1
010
S
1 A1 A0 0
0
AD AD AD AD
A0 x D8 A
D3
D7 D6 D5 D4
D2 D1 D0 A P
0
1
2
3
Fixed
Address
Variable
Address
Device
Memory
Address
Command
Write “Data” bits
Write bit
STOP bit
Control Byte
WRITE Command
Write Data bits
1
010
S
1 A1 A0 0
0
A0 x D8 A
D3
D7 D6 D5 D4
D2 D1 D0 A
Fixed
Address
Variable
Address
Device
Memory
Address
Command
Write “Data” bits
WRITE Command
Write Data bits
00 x D8 A
D3
D7 D6 D5 D4
D2 D1 D0 A
WRITE Command
Write Data bits
00 x D8 A
D3
D7 D6 D5 D4
D2 D1 D0 A P
Write bit
AD AD AD AD
0
1
2
3
AD AD AD AD
0
1
2
3
AD AD AD AD
0
1
2
3
Note:
Only functions when writing the volatile wiper registers (AD3:AD0 = 00h, 01h, 06h, and
07h) or the TCON registers (AD3:AD0 = 04h and 0Ah)
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