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參數(shù)資料
| 型號： | BQ4285EQN |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | XO, clock |
| 英文描述： | 1 TIMER(S), REAL TIME CLOCK, PQCC28 |
| 封裝： | PLASTIC, LCC-28 |
| 文件頁數(shù)： | 2/30頁 |
| 文件大?。?/td> | 1497K |
| 代理商： | BQ4285EQN |
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DSE - Daylight Saving Enable
This bit enables daylight-saving time adjustments when
written to 1:
n
On the last Sunday in October, the first time the
bq4285E/L increments past 1:59:59 AM, the time
falls back to 1:00:00 AM.
n
On the first Sunday in April, the time springs
forward from 2:00:00 AM to 3:00:00 AM.
HF - Hour Format
This bit selects the time-of-day and alarm hour format:
1 = 24-hour format
0 = 12-hour format
DF - Data Format
This bit selects the numeric format in which the time,
alarm, and calendar bytes are represented:
1 = Binary
0 = BCD
SQWE - Square-Wave Enable
This bit enables the square-wave output:
1 = Enabled
0 = Disabled and held low
UIE - Update Cycle Interrupt Enable
This bit enables an interrupt request due to an update
ended interrupt event:
1 = Enabled
0 = Disabled
The UIE bit is automatically cleared when the UTI bit
equals 1.
AIE - Alarm Interrupt Enable
This bit enables an interrupt request due to an alarm
interrupt event:
1 = Enabled
0 = Disabled
PIE - Periodic Interrupt Enable
This bit enables an interrupt request due to a periodic
interrupt event:
1 = Enabled
0 = Disabled
UTI - Update Transfer Inhibit
This bit inhibits the transfer of RTC bytes to the user
buffer:
1 = Inhibits transfer and clears UIE
0 = Allows transfer
10
Jan. 1999 B
7654
3
210
----
-
HF
-
7654
3
210
----
-
DSE
7654
3
210
----
-
DF
-
7654
3
210
----
SQWE
-
7654
3
210
---
UIE
-
---
7654
3
210
--
AIE
-
---
7654
3
210
UTI
---
-
---
7654
3
210
-
PIE
--
-
---
bq4285E/L
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| BU-61843F4-112S | 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQFP72 |
| BU-61843F4-112Z | 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQFP72 |
| BU-61843F4-122L | 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQFP72 |
| BU-61843F4-142Q | 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQFP72 |
| BU-61843F4-142Z | 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQFP72 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| BQ4285ES | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| BQ4285L | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Enhanced RTC With NVRAM Control |
| BQ4285LP | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Enhanced RTC With NVRAM Control |
| BQ4285LQ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| BQ4285LS | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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