参数资料
型号: MCP4631T-104E/ST
厂商: Microchip Technology
文件页数: 55/88页
文件大小: 0K
描述: IC POT DGTL 100K DUAL 14-TSSOP
标准包装: 2,500
接片: 129
电阻(欧姆): 100k
电路数: 2
温度系数: 标准值 150 ppm/°C
存储器类型: 易失
接口: I²C(设备位址)
电源电压: 1.8 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 14-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 14-TSSOP
包装: 带卷 (TR)
2008 Microchip Technology Inc.
DS22096A-page 59
MCP453X/455X/463X/465X
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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