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| 型号： | XE1283SKC915XE1 |
| 厂商： | Semtech |
| 文件页数： | 11/25页 |
| 文件大小： | 0K |
| 描述： | KIT STARTER FOR XE1283 915MHZ |
| 标准包装： | 1 |
| 系列： | TrueRF™ |
| 类型： | 收发器 |
| 适用于相关产品： | XE1283（915MHz） |
| 所含物品： | 处理器板、模块、电池、天线、串行缆线和软件光盘 |
XE1283
3. 100% RAM access
4. Typical software
Hints for low power operation:
1. Use the low power RAM instead of the RAM for all parameters that are accessed frequently. The average current
consumption for the low power RAM is about 40 times lower than for the RAM.
2. Rather than using the circuit at low speed, it is better to use the circuit at higher speed and switch off the blocks
when not needed.
3. The power consumption of the program memory is an important part of the overall power consumption.
3.3.4 Operating speed
The speed is not highly dependent upon the supply voltage. However, by limiting the temperature range, the speed can
be increased. The minimal guaranteed speed as a function of the supply voltage and maximal temperature operating
temperature is given below.
VBAT
VREG
2.4 - 5.5 V
1uF
VSS
Figure 3: Supply configuration for circuit operation.
4
3
2
1
0
85°C
45°C
2
2.5
3
3.5
4
4.5
5
5.5
supply voltage VBAT (V)
Figure 4: Guaranteed speed as a function of the supply voltage and maximal temperature with pin FLASH_FR set to VDD (XE8806A
mode).
? Semtech 2005
11
www.semtech.com
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