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参数资料
| 型号： | MCP9800DM-PCTL |
| 厂商： | Microchip Technology |
| 文件页数： | 18/42页 |
| 文件大小： | 0K |
| 描述： | BOARD DEMO FOR PICTAIL MCP9800 |
| 标准包装： | 1 |
| 系列： | PICtail™ |
| 传感器类型： | 温度 |
| 传感范围： | -55°C ~ 125°C |
| 接口： | I²C，SM 总线 |
| 灵敏度： | ±0.5°C |
| 电源电压： | 2.7 V ~ 5.5 V |
| 嵌入式： | 是，MCU，8 位 |
| 已供物品： | 板 |
| 已用 IC / 零件： | MCP9800 |
| 产品目录页面： | 683 (CN2011-ZH PDF) |
| 相关产品： | MCP9800A5T-MOTGDKR-ND - IC SENSOR THERMAL 2.7V SOT23-5 MCP9800A0T-MOTGDKR-ND - IC SENSOR THERMAL 2.7V SOT23-5 MCP9800A5T-MOTGCT-ND - IC SENSOR THERMAL 2.7V SOT23-5 MCP9800A0T-MOTGCT-ND - IC SENSOR THERMAL 2.7V SOT23-5 MCP9800A5T-MOTGTR-ND - IC SENSOR THERMAL 2.7V SOT23-5 MCP9800A0T-MOTGTR-ND - IC SENSOR THERMAL 2.7V SOT23-5 |
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MCP9800/1/2/3
5.3.2
SENSOR CONFIGURATION
REGISTER (CONFIG)
The MCP9800/1/2/3 has an 8-bit read/write
Configuration register that allows the user to select the
different features. These features include shutdown,
ALERT output select as comparator or interrupt output,
ALERT output polarity, fault queue cycle, temperature
measurement resolution and One-shot mode (single
conversion while in shutdown). These functions are
described in detail in the following sections.
REGISTER 5-3:
CONFIGURATION REGISTER (CONFIG) – ADDRESS < 0000 0001 >b
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
One-Shot
Resolution
Fault Queue
ALERT
COMP/INT
Shutdown
Polarity
bit 7
Legend:
bit 0
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 7
bit 5-6
bit 3-4
bit 2
bit 1
bit 0
ONE-SHOT bit
1 = Enabled
0 = Disabled (Power-up default)
?? ADC RESOLUTION bits
00 = 9 bit or 0.5°C (Power-up default)
01 = 10 bit or 0.25°C
10 = 11 bit or 0.125°C
11 = 12 bit or 0.0625°C
FAULT QUEUE bits
00 = 1 (Power-up default)
01 = 2
10 = 4
11 = 6
ALERT POLARITY bit
1 = Active-high
0 = Active-low (Power-up default)
COMP/INT bit
1 = Interrupt mode
0 = Comparator mode (Power-up default)
SHUTDOWN bit
1 = Enable
0 = Disable (Power-up default)
DS21909D-page 18
? 2010 Microchip Technology Inc.
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