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参数资料
| 型号： | AT86RF401U |
| 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： | 27/52页 |
| 文件大小： | 479K |
| 代理商： | AT86RF401U |
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27
AT86RF401
1424F
–
RKE
–
12/03
The internal data SRAM access is performed in two System Clock cycles as described
in Figure 24.
Figure 24.
On-chip Data SRAM Access Cycles
All I/Os and peripherals are placed in the I/O space. The I/O locations are accessed by
the IN and OUT instructions, transferring data between the 32 general-purpose working
registers and the I/O space. I/O registers within the address range $00
–
$1F are directly
bit-accessible using the SBI and CBI instructions. In these registers, the value of single
bits can be checked by using the SBIS and SBIC instructions. Refer to Table 10,
“
Instruction Set Manual,
”
on page 44 for more details. When using the I/O specific com-
mands IN and OUT, the I/O addresses $00
–
$3F must be used. When addressing I/O
registers as SRAM, $20 must be added to these addresses.
For compatibility with future devices, reserved bits should be written to
“
0
”
if accessed.
Reserved I/O memory addresses should never be written.
Some of the status flags are cleared by writing a logical
“
1
”
to them. Note that the CBI
and SBI instructions will operate on all bits in the I/O register, writing a
“
1
”
back into any
flag read as set, thus clearing the flag. The CBI and SBI instructions work with registers
$00 to $1F only.
The I/O and peripherals control registers are explained in the following sections.
System Clock
Write
Read
Data
Data
Address
Address
T1
T2
T3
T4
Prev. Address
R
W
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
| AT86RF401U-EK1 | 功能描述:射频发射器 Smart RF Micro Trans RoHS:否 制造商:Micrel 类型:ASK Transmitter 封装 / 箱体:SOT-23-6 工作频率:300 MHz to 450 MHz 封装:Reel |
| AT86RF401U-XI | 功能描述:IC MICRO TX RF W/AVR 20-TSSOP 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) |
| AT86RF401X | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Smart RF Wireless Data Microtransmitter |
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