ESP32 datasheet(59/64 Pages) ESPRESSIF

59 / 64 page

Appendix A

Same input

Signal

Default value

signal from

Output enable

No.

Input signals

if unassigned

IO_MUX

core

Output signals

of output signals

214

ble_audio_sync1_p

1’d1

215

ble_audio_sync2_p

1’d1

224

sig_in_func224

1’d1

225

sig_in_func225

1’d1

226

sig_in_func226

1’d1

227

sig_in_func227

1’d1

228

sig_in_func228

1’d1

A.3. Ethernet_MAC

Table 26: Ethernet_MAC

PIN Name

Function6

MII (int_osc)

MII (ext_osc)

RMII (int_osc)

RMII (ext_osc)

GPIO0

EMAC_TX_CLK

TX_CLK (I)

CLK_OUT(O)

EXT_OSC_CLK(I)

GPIO5

EMAC_RX_CLK

RX_CLK (I)

GPIO21

EMAC_TX_EN

TX_EN(O)

GPIO19

EMAC_TXD0

TXD[0](O)

GPIO22

EMAC_TXD1

TXD[1](O)

MTMS

EMAC_TXD2

TXD[2](O)

MTDI

EMAC_TXD3

TXD[3](O)

MTCK

EMAC_RX_ER

RX_ER(I)

GPIO27

EMAC_RX_DV

RX_DV(I)

CRS_DV(I)

GPIO25

EMAC_RXD0

RXD[0](I)

GPIO26

EMAC_RXD1

RXD[1](I)

U0TXD

EMAC_RXD2

RXD[2](I)

MTDO

EMAC_RXD3

RXD[3](I)

GPIO16

EMAC_CLK_OUT

CLK_OUT(O)

GPIO17

EMAC_CLK_OUT_180 CLK_OUT_180(O) -

CLK_OUT_180(O) -

GPIO4

EMAC_TX_ER

TX_ERR(O)*

In GPIO Matrix*

MDC(O)

In GPIO Matrix*

MDIO(IO)

In GPIO Matrix*

CRS(I)

In GPIO Matrix*

COL(I)

*Notes: 1. The GPIO Matrix can be any GPIO. 2. The TX_ERR (O) is optional.

A.4. IO_MUX

For the list of IO_MUX pins, please see the next page.

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ESP32 Datasheet V3.4

ESP32 Datasheet(PDF) 59 Page - ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.

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