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参数资料
| 型号： | BQ4285EPN |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | XO, clock |
| 英文描述： | 1 TIMER(S), REAL TIME CLOCK, PDIP24 |
| 封装： | 0.600 INCH, PLASTIC, DIP-24 |
| 文件页数： | 2/30页 |
| 文件大小： | 1497K |
| 代理商： | BQ4285EPN |
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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
相关PDF资料 |
PDF描述 |
|---|---|
| BU-61582D0-151L | 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQIP70 |
| BU-61582D0-190S | 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQIP70 |
| BU-61582D1-120S | 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQIP70 |
| BU-61582D1-130Z | 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQIP70 |
| BU-61582D1-140W | 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQIP70 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| BQ4285ES | 制造商:未知厂家 制造商全称:未知厂家 功能描述: |
| BQ4285L | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Enhanced RTC With NVRAM Control |
| BQ4285LP | 制造商:TI 制造商全称:Texas Instruments 功能描述:Enhanced RTC With NVRAM Control |
| BQ4285LQ | 制造商:未知厂家 制造商全称:未知厂家 功能描述: |
| BQ4285LS | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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