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参数资料
| 型号： | AT86RF401E |
| 厂商： | ATMEL CORP |
| 元件分类： | 通信及网络 |
| 英文描述： | Smart RF Wireless Data Microtransmitter |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PDSO20 |
| 封装： | 4.40 X 6.50 MM, 0.65 MM PITCH, TSSOP-20 |
| 文件页数： | 42/52页 |
| 文件大小： | 479K |
| 代理商： | AT86RF401E |
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42
AT86RF401
1424F
–
RKE
–
12/03
code execution at the reset location. This bit is reset at POR and when exiting the button
reset state. All other registers remain unchanged.
Button Detect Register
–
B_DET
Bits[7:6]
Reserved. These bits read
“
0
”
.
Bits[5:0]
When an I/O pin is configured as a button using the IO_ENAB and IO_DATOUT regis-
ters and a logic low is detected on that pin, the button detect logic is activated. If the part
is in sleep mode, the part responds as described in the AVR Configuration Register
description. If a good battery is present, the appropriate bit is set in this register. A bit in
this register is cleared by writing a
“
0
”
to it.
Battery Low Configuration Register
–
BL_CONFIG
Bit[7]: Battery Low
When Bit[6] in this register is set (Battery Low Valid), the BL (Battery Low) bit indicates
that the battery voltage is lower than the voltage level that is determined by Bit[5:0] of
this register. It is important that the programmer also check Bit[6] (Battery Low Valid) to
be certain that this condition is valid.
Bit[6]: Battery Low Valid
When the Battery Low Configuration Register is written, this bit is set to
“
0
”
. When the
battery voltage has been sampled and compared to the voltage determined by the BLx
bits, this bit is set to
“
1
”
indicating that the data in Bit[7] (Battery Low) is valid. This can
take up to 3100 XTAL cycles to complete.
Note:
The programmer should ensure that this bit is cleared prior to making a determination of
the Battery Low status. This can be done by reloading Bit[5] or directly clearing Bit[6].
Generally, the programmer loads Bit[5], loops until Bit[6] is set, and then checks Bit[3] to
determine the status of the battery.
Bit[5:0]: Battery Low Detection Level
This value is sent to the battery monitor. The threshold is calculated using the formulas
shown in Table 21 on page 43.
Note:
This threshold can be set below the brown-out voltage level.
Bit
7
6
5
4
3
2
1
0
$34
–
–
BD5
BD4
BD3
BD2
BD1
BD0
Read/Write
R
R
R/W
R/W
R/W
R/W
R/W
R/W
Initial Value
0
0
0
0
0
0
0
0
Bit
7
6
5
4
3
2
1
0
$35
BL
BLV
BL5
BL4
BL3
BL2
BL1
BL0
Read/Write
R
R
R/W
R/W
R/W
R/W
R/W
R/W
Initial Value
0
0
0
0
0
0
0
0
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相关代理商/技术参数 |
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|---|---|
| AT86RF401E-6GS | 功能描述:IC MICRO TRANSM RF W/AVR 20TSSOP RoHS:否 类别:RF/IF 和 RFID >> RF 发射器 系列:- 标准包装:4,000 系列:- 频率:310MHz ~ 440MHz 应用:- 调制或协议:UHF，ASK 数据传输率 - 最大:20 kBaud 功率 - 输出:1dBm ~ 5dBm 电流 - 传输:10mA 数据接口:PCB，表面贴装 天线连接器:PCB，表面贴装 存储容量:- 特点:- 电源电压:2.2 V ~ 4 V 工作温度:-40°C ~ 85°C 封装/外壳:16-LSSOP（0.154"，3.90mm 宽） 包装:带卷 (TR) |
| AT86RF401E-EK1 | 功能描述:KIT DEMO MICRO TX EVAL 433MHZ RoHS:否 类别:RF/IF 和 RFID >> 过时/停产零件编号 系列:Smart RF 标准包装:1 系列:- 类型:用于 200/300 系列的欧盟开发套件 适用于相关产品:Zensys RF 模块 所含物品:开发板，模块，编程器，软件，线缆，电源 其它名称:703-1019Q3225667 |
| AT86RF401U | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Smart RF Wireless Data Microtransmitter |
| AT86RF401U-6GS | 功能描述:IC MICRO TRANSM RF W/AVR 20TSSOP RoHS:否 类别:RF/IF 和 RFID >> RF 发射器 系列:- 标准包装:4,000 系列:- 频率:310MHz ~ 440MHz 应用:- 调制或协议:UHF，ASK 数据传输率 - 最大:20 kBaud 功率 - 输出:1dBm ~ 5dBm 电流 - 传输:10mA 数据接口:PCB，表面贴装 天线连接器:PCB，表面贴装 存储容量:- 特点:- 电源电压:2.2 V ~ 4 V 工作温度:-40°C ~ 85°C 封装/外壳:16-LSSOP（0.154"，3.90mm 宽） 包装:带卷 (TR) |
| AT86RF401UEK1 | 制造商:Atmel Corporation 功能描述:Smart RF Wireless Data Microtransmitter |
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