参数资料
型号: MCP9808T-E/MS
厂商: Microchip Technology
文件页数: 28/52页
文件大小: 1085K
描述: IC TEMP SENSOR DGTL I2C 8MSOP
标准包装: 2,500
功能: 温度监控系统(传感器)
传感器类型: 内部
感应温度: -40°C ~ 125°C
精确度: ±1°C
拓扑: ADC(三角积分型),寄存器库
输出类型: 2 线串行,I²C?/SMBUS?
输出警报:
输出风扇:
电源电压: 2.7 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
供应商设备封装: 8-MSOP
包装: 带卷 (TR)
MCP9808
DS25095A-page 28
?2011 Microchip Technology Inc.
5.1.5
DEVICE ID AND REVISION
REGISTER
The upper byte of this register is used to specify the
device identification and the lower byte is used to
specify the device revision. The Device ID for the
MCP9808 is 0x04 (hex).
The revision begins with 0x00 (hex) for the first release,
with the number being incremented as revised versions
are released.
 
 
FIGURE 5-7:
Timing Diagram for Reading Device ID and Device Revision Register (see
Section 4.0 Serial Communication).
REGISTER 5-6:
DEVICE ID AND DEVICE REVISION  READ-ONLY (?/SPAN> ADDRESS 0000 0111b)
R-0
R-0
R-0
R-0
R-0
R-1
R-0
R-0
Device ID
bit 15
bit 8
R-0
R-0
R-0
R-0
R-0
R-0
R-0
R-0
Device Revision
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as 0
-n = Value at POR
1 = Bit is set
0 = Bit is cleared
x = Bit is unknown
bit 15-8
Device ID: Bit 15 to bit 8 are used for device ID
bit 7-0
Device Revision: Bit 7 to bit 0 are used for device revision
SDA
A
C
K
0   0   1   1
A
 Device ID Pointer
0   0   0   0
A
C
K
S
2
A
1
A
0
1   2   3   4   5   6   7   8
1   2   3   4   5   6   7   8
SCL
0
Address Byte
A
C
K
0   0   1   1
A
MSB Data
A
C
K
N
A
K
S
P
2
A
1
A
0
1   2   3   4   5   6   7   8
1   2   3   4   5   6   7   8
1   2   3   4   5   6   7   8
Address Byte
LSB Data
R
MCP9808
MCP9808
MCP9808
Master
Master
W
SDA
SCL
1   1   1
0   0   0   0   0   1   0   0
0   0   0   0   0   0   0   0
Note:
It is not necessary to
select   the   Register
Pointer if it was set
from    the    previous
read/write.
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