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參數(shù)資料
| 型號： | DS1851E-010TR |
| 英文描述： | Dual Temperature-Controlled NV Digital-to-Analog Converters |
| 中文描述： | 雙溫控非易失數(shù)字模擬轉(zhuǎn)換器 |
| 文件頁數(shù)： | 5/17頁 |
| 文件大小： | 202K |
| 代理商： | DS1851E-010TR |
DS1851
5 of 17
MEMORY LOCATIONS
Memory Location
Name of Location
Function of Location
60h
Table Select Byte
Writing to this byte determines which of the two
40x8 EEPROM look-up tables is selected for
reading or writing.
00h (Table 01h selected)
01h (Table 02h selected)
61h
Configuration Byte
POL — Analog Updating
TAU — Temperature/Address Update
TEN — Temperature Update Enable
AEN — Address Update Enable
Default setting is 0Fh, TAU = 1, TEN = 1, and
AEN = 1.
POL = 1 until power is high enough to guarantee
outputs from the analog temperature converter.
Once POL = 0, automated updates will begin.
TAU becomes a 1 after a temperature and
address update has occurred as a result of a
temperature conversion. The user can write this
bit to 0 and check for a transition from 0 to 1 in
order to verify that a conversion has occurred.
If TEN = 0, the temperature conversion feature
is disabled. The user sets the DAC in manual
mode by writing to addresses 70h and
71h to control DAC-V and DAC-G, respectively.
With AEN = 0 the user can operate in a test
mode. Address updates made from the
temperature sensor will cease. The user can load
a memory location into 64h and verify that the
values in locations 70h and 71h are the expected
user-defined values.
This byte contains the MSB of the 12-bit 2’s
complement temperature output from the
temperature sensor.
S 2
6
2
5
2
4
2
3
2
2
2
1
2
0
62h
Temperature MSB
POL TAU TEN AEN
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