CC3100_15 Datasheet, PDF (13/44 Pages) Texas Instruments – CC3100 SimpleLink Wi-Fi Network Processor, Internet-of-Things Solution for MCU Applications

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CC3100
SWAS031D – JUNE 2013 – REVISED FEBRUARY 2015
19.00
17.00
15.00
13.00
54 OFDM
Color by
TX Power (dBm)
IBAT (VBAT @ 3.6 V)
280.00
264.40
249.00
233.30
11.00
218.00
9.00
202.00
7.00
186.70
5.00
171.00
3.00
155.60
1.00
140.00
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
TX power level setting
Figure 4-5. TX Power and IBAT vs TX Power Level Settings (54 OFDM)
4.10 Thermal Characteristics for RGC Package
AIR FLOW
PARAMETER
0 lfm (C/W)
150 lfm (C/W)
θ_ja
23
14.6
Ψ_jt
0.2
0.2
Ψ_jb
2.3
2.3
θ_jc
6.3
θ_jb
2.4
250 lfm (C/W)
12.4
0.3
2.2
500 lfm (C/W)
10.8
0.1
2.4
4.11 Timing and Switching Characteristics
4.11.1 Power Supply Sequencing
For proper operation of the CC3100 device, perform the recommended power-up sequencing as follows:
1. Tie V_BAT (pins 37, 39, 44) and V_IO (pins 54 and 10) together on the board.
2. Hold the RESET pin low while the supplies are ramping up. TI recommends using a simple RC circuit (100K ||
0.1 µF, RC = 10 ms).
3. For an external RTC clock, ensure that the clock is stable before RESET is deasserted (high).
For timing diagrams, see Section 4.11.2, Reset Timing.
4.11.2 Reset Timing
4.11.2.1 nRESET (32K XTAL)
Figure 4-6 shows the reset timing diagram for the 32K XTAL first-time power-up and reset removal.
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