Espressif ESP32 Technical Reference Manual page 579

21 Two-wire Automotive Interface (TWAI)
31
0 0 0 0 0 0 0
TWAI_ARB_LOST_CAP This register contains information about the bit position of lost arbitration.
(RO)
31
0 0 0 0 0 0 0
TWAI_ECC_SEGMENT This register contains information about the location of errors, see Table
16 for details. (RO)
TWAI_ECC_DIRECTION This register contains information about transmission direction of the node
when error occurs. 1: Error occurs when receiving a message; 0: Error occurs when transmitting
a message (RO)
TWAI_ECC_TYPE This register contains information about error types: 00: bit error; 01: form error;
10: stuff error; 11: other type of error (RO)
31
0 0 0 0 0 0 0
TWAI_RX_ERR_CNT The RX error counter register, reflects value changes under reception status.
(RO | R/W)
Espressif Systems
Register 21.21. TWAI_ARB LOST CAP_REG (0x002C)
0 0 0 0 0 0 0 0
Register 21.22. TWAI_ERR_CODE_CAP_REG (0x0030)
0 0 0 0 0 0 0 0
Register 21.23. TWAI_RX_ERR_CNT_REG (0x0038)
0 0 0 0 0 0 0 0
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0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
579
5 4
0 0 0 0 0x0
8 7 6 5 4
0 0x0 0 0x0
8 7
0 0x0
ESP32 TRM (Version 5.2)
0
Reset
0
Reset
21-
0
Reset