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ESP32 Datasheet(PDF) 24 Page - ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.

Part # ESP32
Description  32-bit MCU & 2.4 GHz Wi-Fi & BT/BLE SoCs
PDF  64 Pages
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Manufacturer  ESPRESSIF [ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.]
Direct Link  https://www.espressif.com/
Logo ESPRESSIF - ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.

ESP32 Datasheet(HTML) 24 Page - ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.

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3. Functional Description
Table 5: Memory and Peripheral Mapping
Category
Target
Start Address
End Address
Size
Embedded
Memory
Internal ROM 0
0x4000_0000
0x4005_FFFF
384 KB
Internal ROM 1
0x3FF9_0000
0x3FF9_FFFF
64 KB
Internal SRAM 0
0x4007_0000
0x4009_FFFF
192 KB
Internal SRAM 1
0x3FFE_0000
0x3FFF_FFFF
128 KB
0x400A_0000
0x400B_FFFF
Internal SRAM 2
0x3FFA_E000
0x3FFD_FFFF
200 KB
RTC FAST Memory
0x3FF8_0000
0x3FF8_1FFF
8 KB
0x400C_0000
0x400C_1FFF
RTC SLOW Memory
0x5000_0000
0x5000_1FFF
8 KB
External
Memory
External Flash
0x3F40_0000
0x3F7F_FFFF
4 MB
0x400C_2000
0x40BF_FFFF
11 MB+248 KB
External RAM
0x3F80_0000
0x3FBF_FFFF
4 MB
Peripheral
DPort Register
0x3FF0_0000
0x3FF0_0FFF
4 KB
AES Accelerator
0x3FF0_1000
0x3FF0_1FFF
4 KB
RSA Accelerator
0x3FF0_2000
0x3FF0_2FFF
4 KB
SHA Accelerator
0x3FF0_3000
0x3FF0_3FFF
4 KB
Secure Boot
0x3FF0_4000
0x3FF0_4FFF
4 KB
Cache MMU Table
0x3FF1_0000
0x3FF1_3FFF
16 KB
PID Controller
0x3FF1_F000
0x3FF1_FFFF
4 KB
UART0
0x3FF4_0000
0x3FF4_0FFF
4 KB
SPI1
0x3FF4_2000
0x3FF4_2FFF
4 KB
SPI0
0x3FF4_3000
0x3FF4_3FFF
4 KB
GPIO
0x3FF4_4000
0x3FF4_4FFF
4 KB
RTC
0x3FF4_8000
0x3FF4_8FFF
4 KB
IO MUX
0x3FF4_9000
0x3FF4_9FFF
4 KB
SDIO Slave
0x3FF4_B000
0x3FF4_BFFF
4 KB
UDMA1
0x3FF4_C000
0x3FF4_CFFF
4 KB
I2S0
0x3FF4_F000
0x3FF4_FFFF
4 KB
UART1
0x3FF5_0000
0x3FF5_0FFF
4 KB
I2C0
0x3FF5_3000
0x3FF5_3FFF
4 KB
UDMA0
0x3FF5_4000
0x3FF5_4FFF
4 KB
SDIO Slave
0x3FF5_5000
0x3FF5_5FFF
4 KB
RMT
0x3FF5_6000
0x3FF5_6FFF
4 KB
PCNT
0x3FF5_7000
0x3FF5_7FFF
4 KB
SDIO Slave
0x3FF5_8000
0x3FF5_8FFF
4 KB
LED PWM
0x3FF5_9000
0x3FF5_9FFF
4 KB
Efuse Controller
0x3FF5_A000
0x3FF5_AFFF
4 KB
Flash Encryption
0x3FF5_B000
0x3FF5_BFFF
4 KB
PWM0
0x3FF5_E000
0x3FF5_EFFF
4 KB
TIMG0
0x3FF5_F000
0x3FF5_FFFF
4 KB
TIMG1
0x3FF6_0000
0x3FF6_0FFF
4 KB
Espressif Systems
17
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ESP32 Datasheet V3.4



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