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参数资料
| 型号： | NCT75MNR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 9/15页 |
| 文件大小： | 181K |
| 描述： | IC SENSOR TEMP DGTL 8DFN |
| 标准包装： | 3,000 |
| 功能： | 温度监控系统（传感器） |
| 传感器类型： | 内部 |
| 感应温度： | -55°C ~ 125°C |
| 精确度： | ±3°C |
| 拓扑： | ADC（三角积分型），控制逻辑，寄存器库 |
| 输出类型： | 2 线串行，I²C?/SMBUS? |
| 输出警报： | 是 |
| 输出风扇： | 无 |
| 电源电压： | 3 V ~ 5.5 V |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-VFDFN 裸露焊盘 |
| 供应商设备封装： | 8-DFN（2x2） |
| 包装： | 带卷 (TR) |
NCT75
http://onsemi.com
9
FRAME 1
SERIAL BUS ADDRESS BYTE
SDA
SCL
START BY
MASTER
FRAME 2
ADDRESS POINTER REGISTER BYTE
D7 D6 D5 D4 D3 D2 D1 D0
A6 A5 A4 A3 A2
A1 A0
1
1
9
9
STOP BY
MASTER
ACK. BY
NCT75
ACK. BY
NCT75
Figure 5. Writing to the Address Pointer Register
R/W
D7 D6 D5 D4 D3 D2 D1 D0
FRAME 3
DATA BYTE
ACK. BY
NCT75
STOP BY
MASTER
SDA (CONTINUED)
SCL (CONTINUED)
FRAME 1
SERIAL BUS ADDRESS BYTE
ACK. BY
NCT75
SDA
SCL
START BY
MASTER
FRAME 2
ADDRESS POINTER REGISTER BYTE
D7 D6 D5 D4 D3 D2 D1 D0
A6 A5 A4 A3 A2
A1 A0
ACK. BY
NCT75
1
1
9
9
1
9
Figure 6. Writing a Register Address to the Address Pointer Register, then
Writing a Single Byte of Data to the Configuration Register
R/W
D15 D14 D13 D12 D11 D10 D9 D8
FRAME 3
DATA BYTE
ACK. BY
NCT75
(CONTINUED)
FRAME 1
SERIAL BUS ADDRESS BYTE
ACK. BY
NCT75
SDA
SCL
START BY
MASTER
FRAME 2
ADDRESS POINTER REGISTER BYTE
D7 D6 D5 D4 D3 D2 D1 D0
A6 A5 A4 A3 A2 A1 A0
ACK. BY
NCT75
1
1
9
9
1
9
D7 D6 D5 D4 D3 D2 D1 D0
FRAME 4
DATA BYTE
ACK. BY
NCT75
STOP BY
MASTER
1
9
Figure 7. Writing to the Address Pointer Register Followed by
Two Bytes of Data to a 16 Bit Limit Register
SCL
(CONTINUED)
SDA
R/W
FRAME 1
SERIAL BUS ADDRESS BYTE
SDA
SCL
START BY
MASTER
FRAME 2
DATA BYTE FROM REGISTER
D7 D6 D5 D4 D3 D2 D1 D0
A6 A5 A4 A3 A2
A1 A0
1
1
9
9
STOP BY
MASTER
ACK. BY
NCT75
NO ACK. BY
MASTER
Figure 8. Reading Data from the Configuration Register
R/W
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