ESPRESSIF SYSTEMS PTE LTD RIGEL 用户手册
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4. Electrical Characteristics
1. VDD is the I/O voltage for a particular power domain of pins. More details can be found
in Appendix IO_MUX of
in Appendix IO_MUX of
.
4.4. Wi-Fi Radio Characteristics
V
IH
High-level input voltage
0.75×VDD
1
-
VDD
1
+0.3
V
V
IL
Low-level input voltage
–0.3
-
0.25×VDD
1
V
I
IH
High-level input current
-
-
50
nA
I
IL
Low-level input current
-
-
50
nA
V
OH
High-level output voltage
0.8×VDD
1
-
-
V
V
OL
Low-level output voltage
-
-
0.1×VDD
1
V
I
OH
High-level source current (VDD
1
= 3.3 V,
V
OH
>= 2.64 V, PAD_DRIVER = 3)
-
40
-
mA
I
OL
Low-level sink current (VDD
1
= 3.3 V, V
OL
= 0.495 V, PAD_DRIVER = 3)
-
28
-
mA
R
PU
Pull-up resistor
-
45
-
kΩ
R
PD
Pull-down resistor
-
45
-
kΩ
V
IL_nRST
Low-level input voltage of EN to reset the
module
module
-
-
0.6
V
Symbol
Parameter
Min
Typ
Max
Unit
Table 4-4. Wi-Fi Radio Characteristics
Parameter
Condition
Min
Typ
Max
Unit
Input frequency
-
2412
-
24
62
MHz
Output impedance* -
-
*
-
Ω
RF power
21.21
20.09
-
dBm
Sensitivity
11b, 1 Mbps
-
–98
-
dBm
11b, 11 Mbps
-
–89
-
dBm
11g, 6 Mbps
-
–92
-
dBm
11g, 54 Mbps
-
–74
-
dBm
11n, HT20, MCS0
-
–91
-
dBm
11n, HT20, MCS7
-
–71
-
dBm
11n, HT40, MCS0
-
–89
-
dBm
Espressif Systems
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10/11
2018.10