User Manual

ZTK7628P-core-board manual Hangzhou Jotale Technology Co., Ltd www.jotale.com
11 EPHY_LED2_N_JTMS GPIO41 w_utif_n[8] jtms_n Default as
GPIO，
USER_KEY2
12 EPHY_LED1_N_JTDI GPIO42 w_utif_n[9] jtdi_n Default as
GPIO，
LAN1_LED
13 EPHY_LED0_N_JTDO GPIO43 N/A jtdo_n Default as
GPIO，
WAN_LED
14 WLED_N GPIO44 N/A N/A Default as GPIO,
RESET_FN_KEY
15 GND N/A N/A N/A GND
16 UART_TXD1 GPIO45 PWM_CH0 antsel[1] Internally
connect 10K
pull-up
resistance to
3.3V, default as
UART_TXD1
17 UART_RXD1 GPIO46 PWM_CH1 antsel[0] Default as
UART_RXD1
18 I2S_SDI GPIO0 PCMDRX antsel[5] Default as
I2S_SDI
19 I2S_SDO GPIO1 PCMDTX antsel[4] Internally
connect 10K
pull-down
resistance to
GND, default as
I2S_SDO
20 I2S_WS GPIO2 PCMCLK antsel[3] Default as
I2S_WS
21 I2S_CLK GPIO3 PCMFS antsel[2] Default as
I2S_CLK
22 I2C_SCLK GPIO4 sutif_txd ext_bgclk Default as
I2C_SCLK
23 I2C_SD GPIO5 sutif_rxd N/A Default as
I2C_SD
24 SPI_CS1 GPIO6 REF_CLK_O N/A Internally
connect 10K
pull-down
resistance to
GND, default as
SPI_CS1
25 VDD3V3_PROG N/A N/A N/A External Flash
burner power