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| 型號： | MCP4541T-503E/MF |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 58/92頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DGTL POT 50K 128TAPS 8-DFN |
| 標準包裝： | 1 |
| 接片： | 129 |
| 電阻（歐姆）： | 50k |
| 電路數(shù)： | 1 |
| 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： | 8-VDFN 裸露焊盤 |
| 供應商設備封裝： | 8-DFN-EP（3x3） |
| 包裝： | 標準包裝 |
| 產品目錄頁面： | 674 (CN2011-ZH PDF) |
| 其它名稱： | MCP4541T-503E/MFDKR |
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2008 Microchip Technology Inc.
DS22107A-page 61
MCP454X/456X/464X/466X
FIGURE 7-4:
I2C Read (Last Memory Address Accessed).
FIGURE 7-5:
I2C Random Read.
STOP bit
Control Byte
1
010
SA2 A1 A0 1
A
Fixed
Address
Variable
Address
Read bits
P
0
000
0
0 D8 A1
Read bit
D3
D7 D6 D5 D4
D2 D1 D0 A2
Read Data bits
Note 1: Master Device is responsible for A / A signal. If a A signal occurs, the MCP45XX/46XX will
abort this transfer and release the bus.
2: The Master Device will Not Acknowledge, and the MCP45XX/46XX will release the bus so the
Master Device can generate a Stop or Repeated Start condition.
3: The MCP45xx/46xx retains the last “Device Memory Address” that it has received. This is the
MCP45XX/46XX does not “corrupt” the “Device Memory Address” after Repeated Start or
Stop conditions.
4: The Device Memory Address pointer defaults to 00h on POR and BOR conditions.
STOP bit
Control Byte
READ Command
1
01
0
SA2 A1 A0 0
1
AD AD AD AD
A1
x X
A Sr
0
1
2
3
Fixed
Address
Variable
Address
Device
Memory
Address
Command
Control Byte
Read bits
P
0
00
0
0 D8 A1
Write bit
D3
D7 D6 D5 D4
D2 D1 D0 A2
1
01
0
A2 A1 A0 1
A
Read bit
Repeated Start bit
Read Data bits
Note 1: Master Device is responsible for A / A signal. If a A signal occurs, the MCP45XX/46XX will
abort this transfer and release the bus.
2: The Master Device will Not Acknowledge, and the MCP45XX/46XX will release the bus so the
Master Device can generate a Stop or Repeated Start condition.
3: The MCP45XX/46XX retains the last “Device Memory Address” that it has received. This is
the MCP45XX/46XX does not “corrupt” the “Device Memory Address” after Repeated Start or
Stop conditions.
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