esp-12 high resolution pinout and specs

by Renzo Mischianti · Published 4 May 2021 · Updated 1 December 2021

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Specs

CPU and Memory
- Processor: L106 32-bit RISC microprocessor core based on the Tensilica Xtensa Diamond Standard 106Micro running at 80 MHz
- RAM size < 36kB, that is to say, when ESP8266EX is working under the station mode and is connected to the router, programmable space accessible to user in heap and data section is around 36kB.)
- External SPI FlashThis module is mounted with an 4 MB external SPI flash to store user programs.
- the frequency of crystal oscillators supported include 40MHz, 26MHz and 24MHz.
- UART Support 300 ~ 4608000 bps ˈDefault 115200 bps
- Package SMD22
Wi-Fi
- 802.11 b/g/n
- Integrated TCP/IP protocol stack
- Integrated TR switch, balun, LNA, power amplifier and matching network
- Integrated PLL, regulators, and power management units
- Supports antenna diversity
- Wi-Fi 2.4 GHz, support WPA/WPA2
- Support STA/AP/STA+AP operation modes
- +20dBm output power in 802.11b mode
- Wake up and transmit packets in < 2ms
- Support Smart Link Function for both Android and iOS devices
Advanced Peripheral Interfaces
- Integrated 10-bit ADC
- SDIO 2.0, (H) SPI, UART, I2C, I2S, IRDA, PWM, GPIO
- STBC, 1×1 MIMO, 2×1 MIMO
- A-MPDU & A-MSDU aggregation and 0.4s guard interval
- Deep sleep power <10uA, Power down leakage current < 5uA
- Standby power consumption of < 1.0mW (DTIM3)
- Operating temperature range -40C ~ 125C