參數(shù)資料
型號(hào): STCN75M2F
廠商: 意法半導(dǎo)體
元件分類(lèi): 溫度/濕度傳感器
英文描述: Digital temperature sensor and thermal watchdog
中文描述: 數(shù)字溫度傳感器和熱看門(mén)狗
文件頁(yè)數(shù): 15/35頁(yè)
文件大?。?/td> 194K
代理商: STCN75M2F
STCN75
Functional description
15/35
3
Functional description
The STCN75 registers have unique pointer designations which are defined in
Table 5 on
page 16
. Whenever any READ/WRITE operation to the STCN75 register is desired, the
user must “point” to the device register to be accessed.
All of these user-accessible registers can be accessed via the digital serial interface at
anytime (see
Section 3.3: Serial interface on page 19
), and they include:
Command register/Address Pointer register
Configuration register
Temperature register
Over-Limit Signal Temperature register (T
OS
)
Hysteresis Temperature register (T
HYS
)
3.1
Registers and register set formats
3.1.1
Command/pointer register
The Most Significant Bits (MSBs) of the Command register must always be zero. Writing a
'1' into any of these bits will cause the current operation to be terminated (Bit 2 through Bit 7
must be kept '0', see
Table 4
).
Table 4.
The Command register retains pointer information between operations (see
Table 5
).
Therefore, this register only needs to be updated once for consecutive READ operations
from the same register. All bits in the Command register default to '0' at power-up.
Command/pointer register format
MSB
LSB
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
0
0
0
0
0
0
P1
P0
These bits must be ‘O’
Pointer/register
select bits
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