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參數(shù)資料
型號: MCP40D17T-103E/LT
廠商: Microchip Technology
文件頁數(shù): 35/43頁
文件大小: 0K
描述: IC DGTL POT 10K 128TAPS SC70-6
標準包裝: 1
接片: 128
電阻(歐姆): 10k
電路數(shù): 1
溫度系數(shù): 標準值 150 ppm/°C
存儲器類型: 易失
接口: I²C
電源電壓: 1.8 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 6-TSSOP,SC-88,SOT-363
供應(yīng)商設(shè)備封裝: SC-70-6
包裝: 標準包裝
產(chǎn)品目錄頁面: 674 (CN2011-ZH PDF)
其它名稱: MCP40D17T-103E/LTDKR
MCP40D17/18/19
DS22152B-page 40
2009 Microchip Technology Inc.
FIGURE 5-15:
I2C Read Command Format (Slave Address = “0101110”).
FIGURE 5-16:
I2C Read Communication Behavior (Slave Address = “0101110”).
STOP bit
Slave Address Byte
Command Code
1
01
0
S1
1
0
A0
0
0 A
Slave Address Byte
Data Byte
AD3
0 D6 D5D4
D2D1 D0 A(2) P
Read/Write bit (“0” = Write)
00
0
11
0
1
01
0
1
S = Start Condition
P = Stop Condition
A = Acknowledge
X = Don’t Care
R/W = Read/Write bit
D6:D0 = Data bits
Legend
S
Read/Write bit (“1” = Read)
Note 1: Master Device is responsible for ACK / NACK signal. If a NACK signal occurs, the MCP40D17/18/19 will
abort this transfer and release the bus.
2: The Master Device will Not ACK, and the MCP40D17/18/19 will release the bus so the Master Device can
generate a Stop or Repeated Start condition.
Read 1 Byte with Command Code = 00h
Read 2 Byte with Command Code = 00h
S Slave Address
R
/
W
A
C
K Command Code
A
C
K
R
S Slave Address
R
/
W
A
C
K
Master
S 0 1 011 100 10 000 000 01S 0 101 1 1 011
MCP40D17/18/19
0
I2C Bus
S 01 011 100 00 000 000 00S 0 101 1 1 010
Data Byte
A
C
KP
Master
1 P
MCP40D17/18/19
0 d d d d d d d 1
I2C Bus
0 ddd ddd d1P
S Slave Address
R
/
W
A
C
K Command Code
A
C
K
R
S Slave Address
R
/
W
A
C
K
Master
S 0 1 011 100 10 000 000 01S 0 101 1 1 011
MCP40D17/18/19
0
I2C Bus
S 01 011 100 00 000 000 00S 0 101 1 1 010
Data Byte
A
C
K Data Byte
A
C
KP
Master
0
1 P
MCP40D17/18/19
0 d dd ddd d10 d d dd dd d1
I2C Bus
0 ddd ddd d00 d d dd dd d1P
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