Espressif ESP32 Technical Reference Manual page 377

13 UART Controller (UART)
31
0
UART_MEM_RX_RD_ADDR Represents the offset address to read RX FIFO. (RO)
UART_MEM_RX_WR_ADDR Represents the offset address to write RX FIFO. (RO)
31
0 0 0 0 0 0 0
UART_TX_MEM_CNT Refer to the description of TXFIFO_CNT. (RO)
UART_RX_MEM_CNT Refer to the description of RXFIFO_CNT. (RO)
31
0 0 0 0 0 0 0
UART_POSEDGE_MIN_CNT This register stores the count of RxD positive edges. It is used in the
autobaud detection process. (RO)
Espressif Systems
Register 13.25. UART_MEM_RX_STATUS_REG (0x0060)
24 23
0
Register 13.26. UART_MEM_CNT_STATUS_REG (0x64)
0 0 0 0 0 0 0 0
Register 13.27. UART_POSPULSE_REG (0x68)
20 19
0 0 0 0 0
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13 12
0 0 0 0 0 0 0 0
0x0FFFFF
377
2 1
0 0
6 5 3 2
0 0 0 0 0 0 0 0
ESP32 TRM (Version 5.2)
0
Reset
0
0
Reset
0
Reset