Datasheet
Table Of Contents
- Product Overview
- 1 ESP32-C3 Series Comparison
- 2 Pin Definition
- 3 Functional Description
- 3.1 CPU and Memory
- 3.2 System Clocks
- 3.3 Analog Peripherals
- 3.4 Digital Peripherals
- 3.4.1 General Purpose Input / Output Interface (GPIO)
- 3.4.2 Serial Peripheral Interface (SPI)
- 3.4.3 Universal Asynchronous Receiver Transmitter (UART)
- 3.4.4 I2C Interface
- 3.4.5 I2S Interface
- 3.4.6 Remote Control Peripheral
- 3.4.7 LED PWM Controller
- 3.4.8 General DMA Controller
- 3.4.9 USB Serial/JTAG Controller
- 3.4.10 TWAI® Controller
- 3.5 Radio and Wi-Fi
- 3.6 Bluetooth LE
- 3.7 Low Power Management
- 3.8 Timers
- 3.9 Cryptographic Hardware Accelerators
- 3.10 Physical Security Features
- 3.11 Peripheral Pin Configurations
- 4 Electrical Characteristics
- 5 Package Information
- 6 Related Documentation and Resources
- Revision History
4 Electrical Characteristics
Table 30 – cont’d from previous page
Parameter Description Min Typ Max Unit
Out-of-band blocking performance
30 MHz ~ 2000 MHz — –5 — dBm
2003 MHz ~ 2399 MHz — –18 — dBm
2484 MHz ~ 2997 MHz — –15 — dBm
3000 MHz ~ 12.75 GHz — –5 — dBm
Intermodulation — — –30 — dBm
Table 31: Receiver Characteristics Bluetooth LE 2 Mbps
Parameter Description Min Typ Max Unit
Sensitivity @30.8% PER — — –93 — dBm
Maximum received signal @30.8% PER — — 3 — dBm
Co-channel C/I — — 10 — dB
Adjacent channel selectivity C/I
F = F0 + 2 MHz — –7 — dB
F = F0 – 2 MHz — –7 — dB
F = F0 + 4 MHz — –28 — dB
F = F0 – 4 MHz — –26 — dB
F = F0 + 6 MHz — –26 — dB
F = F0 – 6 MHz — –27 — dB
F ≥ F0 + 8 MHz — –29 — dB
F ≤ F0 – 8 MHz — –28 — dB
Image frequency — — –28 — dB
Adjacent channel to image frequency
F = F
image
+ 2 MHz — –26 — dB
F = F
image
– 2 MHz — –7 — dB
Out-of-band blocking performance
30 MHz ~ 2000 MHz — –5 — dBm
2003 MHz ~ 2399 MHz — –19 — dBm
2484 MHz ~ 2997 MHz — –16 — dBm
3000 MHz ~ 12.75 GHz — –5 — dBm
Intermodulation — — –29 — dBm
Table 32: Receiver Characteristics Bluetooth LE 125 Kbps
Parameter Description Min Typ Max Unit
Sensitivity @30.8% PER — — –105 — dBm
Maximum received signal @30.8% PER — — 5 — dBm
Co-channel C/I — — 3 — dB
Adjacent channel selectivity C/I
F = F0 + 1 MHz — –6 — dB
F = F0 – 1 MHz — –6 — dB
F = F0 + 2 MHz — –33 — dB
F = F0 – 2 MHz — –43 — dB
F = F0 + 3 MHz — –37 — dB
F = F0 – 3 MHz — –47 — dB
F ≥ F0 + 4 MHz — –40 — dB
F ≤ F0 – 4 MHz — –50 — dB
Cont’d on next page
Espressif Systems 39
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ESP32-C3 Series Datasheet v1.2