Description of module connectors

The pinout of the module connectors MTAX-SOM-AM335x

Socket X1 (JTAG + UART0)

Number

Contact name

GPIO

Outputtype

Output processorNote
1 ~AM_JTAG_TRST - I/O B10  
2 AM_JTAG_TMS - I/O C11  
3 AM_JTAG_TDI - I/O B11  
4 AM_JTAG_TCK - I/O A12  
5 AM_JTAG_TDO - I/O A11  
6 AM_JTAG_EMU0 GPIO3_7 I/O C14  
7 AM_JTAG_EMU1 GPIO3_8 I/O B14  
8 VCC_3.3V_A -  Power - Exit PMIC: +3.3В @400мА
9 GND -  GND -  
10 AM_GPIO1_11 GPIO1_11 I/O E16 UART0_TXD (mux 0)
11 AM_GPIO1_10 GPIO1_10 I/O E15 UART0_RXD (mux 0)
12 GND - GND -  

Socket X2 (Power)

Number

Contact name

Output PMICNote
1 POWER_AC 10 4.3-5.8V
2 GND - GND

Разъём X3 (I/O)

Number

Contact name

GPIO

Outputtype

Вывод процессораNote
1 AM_USB0_DP   Analog N17  
2 AM_USB0_DM   Analog N18  
3 GND   GND    
4 GND   GND    
5 AM_USB0_CE   I/O M15  
6 AM_USB0_ID   LVI/O P16  
7 AM_GPIO0_18 GPIO0_18 I/O F16 USB0_DRVVBUS(mux 0)
8 AM_USB0_VBUS   Analog P15  
9 GND   GND    
10 AM_GPIO0_22 GPIO0_22 I/O U10 LCD_DATA23 (mux 1)
11 AM_GPIO0_23 GPIO0_23 I/O T10 LCD_DATA22 (mux 1)
12 AM_GPIO0_26 GPIO0_26 I/O T11 LCD_DATA21 (mux 1)
13 AM_GPIO0_27 GPIO0_27 I/O U12 LCD_DATA20 (mux 1)
14 AM_GPIO1_12 GPIO1_12 I/O T12 LCD_DATA19 (mux 1)
15 AM_GPIO1_13 GPIO1_13 I/O R12 LCD_DATA18 (mux 1)
16 AM_GPIO1_14 GPIO1_14 I/O V13 LCD_DATA17 (mux 1)
17 AM_GPIO1_15 GPIO1_15 I/O U13 LCD_DATA16 (mux 1)
18 AM_GPIO0_11 GPIO0_11 I/O T5 LCD_DATA15 (mux 0)
19 AM_GPIO0_10 GPIO0_10 I/O V4 LCD_DATA14 (mux 0)
20 AM_GPIO0_9 GPIO0_9 I/O V3 LCD_DATA13 (mux 0)
21 AM_GPIO0_8 GPIO0_8 I/O V2 LCD_DATA12 (mux 0)
22 AM_GPIO2_17 GPIO2_17 I/O U4 LCD_DATA11 (mux 0)
23 AM_GPIO2_16 GPIO2_16 I/O U3 LCD_DATA10 (mux 0)
24 AM_GPIO2_15 GPIO2_15 I/O U2 LCD_DATA9 (mux 0)
25 AM_GPIO2_14 GPIO2_14 I/O U1 LCD_DATA8 (mux 0)
26 AM_GPIO2_13 GPIO2_13 I/O T4 LCD_DATA7 (mux 0)
27 AM_GPIO2_12 GPIO2_12 I/O T3 LCD_DATA6 (mux 0)
28 AM_GPIO2_11 GPIO2_11 I/O T2 LCD_DATA5 (mux 0)
29 AM_GPIO2_10 GPIO2_10 I/O T1 LCD_DATA4 (mux 0)
30 AM_GPIO2_9 GPIO2_9 I/O R4 LCD_DATA3 (mux 0)
31 AM_GPIO2_8 GPIO2_8 I/O R3 LCD_DATA2 (mux 0)
32 AM_GPIO2_7 GPIO2_7 I/O R2 LCD_DATA1 (mux 0)
33 AM_GPIO2_6 GPIO2_6 I/O R1 LCD_DATA0 (mux 0)
34 AM_GPIO2_22 GPIO2_22 I/O U5 LCD_VSYNC (mux 0)
35 AM_GPIO2_23 GPIO2_23 I/O R5 LCD_HSYNC (mux 0)
36 AM_GPIO2_24 GPIO2_24 I/O V5 LCD_PCLK (mux 0)
37 AM_GPIO2_25 GPIO2_25 I/O R6 LCD_AC_BIAS_EN(mux 0)
38 GND   GND    
39 AM_GPMC_AD[0] GPIO1_0 I/O U7 GPMC_AD0 (mux 0) Connected to NAND Flash – D0
40 AM_GPMC_AD[1] GPIO1_1 I/O V7 GPMC_AD1 (mux 0) Connected to NAND Flash – D1
41 AM_GPMC_AD[2] GPIO1_2 I/O R8 GPMC_AD2 (mux 0) Connected to NAND Flash – D2
42 AM_GPMC_AD[3] GPIO1_3 I/O T8 GPMC_AD3 (mux 0) Connected to NAND Flash – D3
43 AM_GPMC_AD[4] GPIO1_4 I/O U8 GPMC_AD4 (mux 0) Connected to NAND Flash – D4
44 AM_GPMC_AD[5] GPIO1_5 I/O V8 GPMC_AD5 (mux 0) Connected to NAND Flash – D5
45 AM_GPMC_AD[6] GPIO1_6 I/O R9 GPMC_AD6 (mux 0) Connected to NAND Flash – D6
46 AM_GPMC_AD[7] GPIO1_7 I/O T9 GPMC_AD7 (mux 0) Connected to NAND Flash – D7
47 GND   GND    
48 AM_GPMC_WAIT0 GPIO0_30 I/O T17 GPMC_WAIT0 (mux 0) Connected to NAND Flash – R/nB
49 AM_GPMC_WPN GPIO0_31 I/O U17 GPMC_WPN (mux 0) Connected to NAND Flash – nWP
50 AM_GPIO1_28 GPIO1_28 I/O U18 GPMC_BEN1 (mux 0)
51 AM_GPMC_CSn0 GPIO1_29 I/O V6 GPMC_CSn0 (mux 0) Connected to NAND Flash – nCE
52 AM_GPIO1_30 GPIO1_30 I/O U9 GPMC_CSn1 (mux 0)
53 AM_GPIO1_31 GPIO1_31 I/O V9 GPMC_CSn2 (mux 0)
54 AM_GPIO2_0 GPIO2_0 I/O T13 GPMC_CSn3 (mux 0)
55 AM_GPIO2_1 GPIO2_1 I/O V12 GPMC_CLK (mux 0)
56 AM_GPMC_ADVN_ALE GPIO2_2 I/O R7 GPMC_ADVN_ALE (mux 0) Connected to NAND Flash – ALE
57 AM_GPMC_OEN_REN GPIO2_3 I/O T7 GPMC_OEN_REN (mux 0) Connected to NAND Flash – nRE
58 AM_GPMC_WEN GPIO2_4 I/O U6 GPMC_WEN (mux 0) Connected to NAND Flash – nWE
59 AM_GPMC_BE0N_CLE GPIO2_5 I/O T6 GPMC_BE0N_CLE (mux 0) Connected to NAND Flash – CLE
60 GND   GND    
61 AM_GPIO1_16 GPIO1_16 I/O R13 RGMII2_TCTL (mux 2)
62 AM_GPIO1_17 GPIO1_17 I/O V14 RGMII2_RCTL (mux 2)
63 AM_GPIO1_18 GPIO1_18 I/O U14 RGMII2_TD3 (mux 2)
64 AM_GPIO1_19 GPIO1_19 I/O T14 RGMII2_TD2 (mux 2)
65 AM_GPIO1_20 GPIO1_20 I/O R14 RGMII2_TD1 (mux 2)
66 AM_GPIO1_21 GPIO1_21 I/O V15 RGMII2_TD0 (mux 2)
67 AM_GPIO1_22 GPIO1_22 I/O U15 RGMII2_TCLK (mux 2)
68 AM_GPIO1_23 GPIO1_23 I/O T15 RGMII2_RCLK (mux 2)
69 AM_GPIO1_24 GPIO1_24 I/O V16 RGMII2_RD3 (mux 2)
70 AM_GPIO1_25 GPIO1_25 I/O U16 RGMII2_RD2 (mux 2)
71 AM_GPIO1_26 GPIO1_26 I/O T16 RGMII2_RD1 (mux 2)
72 AM_GPIO1_27 GPIO1_27 I/O V17 RGMII2_RD0 (mux 2)
73 GND   GND    
74 AM_GPIO2_26 GPIO2_26 I/O F17 MMC0_DAT3 (mux 0)
75 AM_GPIO2_27 GPIO2_27 I/O F18 MMC0_DAT2 (mux 0)
76 AM_GPIO2_28 GPIO2_28 I/O G15 MMC0_DAT1 (mux 0)
77 AM_GPIO2_29 GPIO2_29 I/O G16 MMC0_DAT0 (mux 0)
78 AM_GPIO2_30 GPIO2_30 I/O G17 MMC0_CLK (mux 0)
79 AM_GPIO2_31 GPIO2_31 I/O G18 MMC0_CMD (mux 0)
80 GND   GND    

Socket X4 (I/O)

Number

            Contact name

GPIO

Outputtype

Output processor

Note

1

AM_USB1_DP

-

Analog

R17

 

2

AM_USB1_DM

-

Analog

R18

 

3

GND

-

GND

-

 

4

GND

-

GND

-

 

5

AM_USB1_CE

-

I/O

P18

 

6

AM_USB1_ID

-

LVI/O

P17

 

7

AM_GPIO3_13

GPIO3_13

I/O

F15

USB1_DRVVBUS

(mux 0)

8

AM_USB1_VBUS

-

Analog

T18

 

9

GND

-

GND

-

 

10

AM_AIN6

-

Analog

A8

 

11

AM_AIN5

-

Analog

B8

 

12

AM_AIN3

-

Analog

A7

TOUCH_Y-

13

AM_AIN2

-

Analog

B7

TOUCH_Y+

14

AM_AIN1

-

        Analog

C7

TOUCH_X-

15

AM_AIN7

-

Analog

C9

 

16

AM_AIN0

-

Analog

B6

TOUCH_X+

17

AM_AIN4

-

Analog

C8

 

18

AM_ADC_GNDA

-

GND

A9

VREFn

19

GND

-

GND

-

 

20

AM_GPIO0_0

GPIO0_0

I/O

M17

MDIO (mux 0)
Connected to Ethernet PHY TLK106 – MDIO

21

AM_GPIO2_18

GPIO2_18

I/O

L17

GMII1_RXD3 (mux 0)

Connected to Ethernet PHY TLK106 – MII RX3

22

AM_GPIO0_1

GPIO0_1

I/O

M18

MDC (mux 0)

Connected to Ethernet PHY TLK106 – MDC

23

AM_GPIO0_28

GPIO0_28

I/O

K17

GMII1_TXD0 (mux 0)

Connected to Ethernet PHY TLK106 – MII TX0

24

AM_GPIO3_10

GPIO3_10

I/O

L18

GMII1_RXCLK (mux 0)

Connected to Ethernet PHY TLK106 – MII RX CLK

25

AM_GPIO0_16

GPIO0_16

I/O

J18

GMII1_TXD3 (mux 0)

Connected to Ethernet PHY TLK106 – MII TX3

26

AM_GPIO3_9

GPIO3_9

I/O

K18

GMII1_TX_CLK (mux 0)

Connected to Ethernet PHY TLK106 – MII TX CLK

27

AM_GPIO2_21

GPIO2_21

I/O

M16

GMII1_RXD0 (mux 0)

Connected to Ethernet PHY TLK106 – MII RX0

28

AM_GPIO0_29

GPIO0_29

I/O

H18

RMII1_REF_CLK (mux 0)

29

AM_GPIO2_20

GPIO2_20

I/O

L15

GMII1_RXD1 (mux 0)

Connected to Ethernet PHY TLK106 – MII RX1

30

AM_GPIO2_19

GPIO2_19

I/O

L16

GMII1_RXD2 (mux 0)

Connected to Ethernet PHY TLK106 – MII RX2

31

AM_GPIO0_17

GPIO0_17

I/O

K15

GMII1_TXD2 (mux 0)

Connected to Ethernet PHY TLK106 – MII TX2

32

AM_GPIO0_21

GPIO0_21

I/O

K16

GMII1_TXD1 (mux 0)

Connected to Ethernet PHY TLK106 – MII TX1

33

AM_GPIO3_1

GPIO3_1

I/O

H17

GMII1_CRS (mux 0)

Connected to Ethernet PHY TLK106 – MII CRS

34

AM_GPIO3_4

GPIO3_4

I/O

J17

GMII1_RX_DV (mux 0)

Connected to Ethernet PHY TLK106 – MII RXDV

35

AM_GPIO3_2

GPIO3_2

I/O

J15

GMII1_RX_ER (mux 0)

подключенкEthernet PHY TLK106 – MII RXER

36

AM_GPIO3_3

GPIO3_3

I/O

J16

GMII1_TX_EN (mux 0)

Connected to Ethernet PHY TLK106 – MII TX EN

37

AM_GPIO3_0

GPIO3_0

I/O

H16

GMII1_COL (mux 0)

Connected to Ethernet PHY TLK106 – MII COL

38

GND

-

GND

-

 

39

AM_GPIO0_7

GPIO0_7

I/O

C18

ECAP0_IN_PWM0_OUT (mux 0)

40

GND

-

GND

-

 

41

AM_GPIO1_8

GPIO1_8

I/O

E18

UART0_CTSn (mux 0)

42

AM_GPIO1_9

GPIO1_9

I/O

E17

UART0_RTSn (mux 0)

43

AM_GPIO1_10

GPIO1_10

I/O

E15

UART0_RXD (mux 0)

44

AM_GPIO1_11

GPIO1_11

I/O

E16

UART0_TXD (mux 0)

45

GND

-

GND

-

 

46

AM_GPIO0_12

GPIO0_12

I/O

D18

UART1_CTSn (mux 0)

47

AM_GPIO0_13

GPIO0_13

I/O

D17

UART1_RTSn (mux 0)

48

AM_GPIO0_14

GPIO0_14

I/O

D16

UART1_RXD (mux 0)

49

AM_GPIO0_15

GPIO0_15

I/O

D15

UART1_TXD (mux 0)

50

GND

-

GND

-

 

51

AM_I2C0_SDA

GPIO3_5

I/O

C17

I2C0_SDA–
Connected to PMIC

52

AM_I2C0_SCL

GPIO3_6

I/O

C16

I2C0_SCL–
Connected to PMIC

53

GND

-

GND

-

 

54

AM_GPIO3_21

GPIO3_21

I/O

A14

MCASP0_AHCLKX

(mux 0)

55

AM_GPIO3_18

GPIO3_18

I/O

B12

MCASP0_ACLKR

 (mux 0)

56

AM_GPIO3_15

GPIO3_15

I/O

B13

MCASP0_FSX(mux 0)

57

AM_GPIO3_19

GPIO3_19

I/O

C13

MCASP0_FSR (mux 0)

58

AM_GPIO3_14

GPIO3_14

I/O

A13

MCASP0_ACLKX

 (mux 0)

59

AM_GPIO3_17

GPIO3_17

I/O

C12

MCASP0_AHCLKR

(mux 0)

60

AM_GPIO3_20

GPIO3_20

I/O

D13

MCASP0_AXR1(mux 0)

61

AM_GPIO3_16

GPIO3_16

I/O

D12

MCASP0_AXR0 (mux 0)

62

GND

-

GND

-

 

63

AM_GPIO0_19

GPIO0_19

I/O

A15

XDMA_EVENT_INTR0(mux 0)

64

AM_GPIO0_20

GPIO0_20

I/O

D14

XDMA_EVENT_INTR1 (mux 0)

Connected toEthernet PHY TLK106 – PHY INT

65

GND

-

GND

-

 

66

AM_NNMI

-

I/O

B18

External interrupt ARMCortex-A8 core

67

GND

-

GND

-

 

68

AM_SPI0_CLK

GPIO0_2

I/O

A17

SPI0_SCLK (mux 0), Connected toSPI Flash – CLK

69

AM_SPI0_D0

GPIO0_3

I/O

B17

SPI0_D0 (mux 0), Connected toSPI Flash – DOUT

70

AM_SPI0_D1

GPIO0_4

I/O

B16

SPI0_D1 (mux 0), Connected toSPI Flash – DIN

71

~AM_SPI0_CS0

GPIO0_5

I/O

A16

SPI0_CS0 (mux 0), Connected toSPI Flash – nCS

72

~AM_SPI0_CS1

GPIO0_6

I/O

C15

SPI0_CS1 (mux 0)

73

GND

-

GND

-

 

74

ETH_PHY_TD+

-

-

-

Connected to TLK106, contact 12 (TD+)

75

ETH_ PHY_TD-

-

-

-

Connected to TLK106, contact 11 (TD-)

76

ETH_ PHY_RD+

-

-

-

Connected to TLK106, contact 10 (RD+)

77

ETH_ PHY_RD-

-

-

-

Connected to TLK106, contact 9 (RD-)

78

GND

-

GND

-

 

79

ETH_PHY_LED

-

-

-

Connected to TLK106, кcontact 17 (LED_LINK)

80

GND

-

GND

-

 

 Socket X5

Number

            Contact name

    Outputtype

Output PMIC

Note

1

POWER_AC

Power

10

Power from an external source +4.3В … +5.8V

2

POWER_AC

Power

10

 

3

GND

GND

-

 

4

GND

GND

-

 

5

POWER_USB

Power

12

Power from an external source +4.3V … +5.8V

6

POWER_USB

Power

12

 

7

BATTERY+

Power

4, 5

Battery power + 2.7V + 5.5V ...

 Connected capacitor 10 uF

 

8

BATTERY+

Power

4, 5

Connected capacitor 10uF

9

BATTERY_SENSE

Analog

6

 

10

BATTERY_TEMP

Analog

11

 

11

PMIC_POWER_BUTTON

I/O

25

Power On / Off button - active "low" state. More documentation on TPS65217C.

12

PMIC_POWER_EN

Analog

9

Connected to AM335x– PMIC_POWER_EN, contact C6

13

PMIC_PGOOD

Analog

26

Connected to AM335x– PORZ, contact B15.

14

PMIC_LDO_PGOOD

Analog

46

Connected to AM335x– RTC_PORZ, contact  B5.

15

PMIC_WAKEUP

Analog

13

Connected to AM335x– EXT_WAKEUP, contact C5.

16

PMIC_BL_IN

Analog

37

 

17

PMIC_BL_OUT

Analog

38

Connected capacitor 4,7мкФ

18

PMIC_BL_ISINK1

Analog

34

 

19

PMIC_BL_ISINK2

Analog

33

 

20

PMIC_BL_ISET1

Analog

35

 

21

PMIC_BL_ISET2

Analog

36

 

22

GND

GND

 

 

23

VCC_1.8V

Power

40

Output PMIC LS1/LDO3, 1.8В@400mA. Power  PLL, USB and so on.

24

VCC_3.3V_A

Power

43

Output PMIC LS2/LDO4, 3.3В@400mA. Power all banks VDDSHVx and peripherals.

25

VCC_3.3V_B

Power

1

Output PMICLDO2, 3.3В@100mA.

26

GND

GND

 

 

27

AM_VREFP

Analog

 

Connected to AM335x– VREFp, contact B9.

28

AM_ADC_GNDA

GND

 

 Connected to AM335x– VREFn, contact A9.

29

~AM_SYS_WARMRESET

I/O

 

Connected to AM335x– nRESETINOUT, contact A10.

30

GND

GND

 

 

31

~AM_JTAG_TRST

I/O

 

Connected to AM335x– nTRST, contact B10.

32

AM_JTAG_TMS

I/O

 

Connected to AM335x– TMS, contact C11.

33

AM_JTAG_TDI

I/O

 

Connected to AM335x– TDI, contact B11.

34

AM_JTAG_TCK

I/O

 

Connected to AM335x– TCK, contact A12.

35

AM_JTAG_TDO

I/O

 

Connected to AM335x– TDO, contact A11.

36

AM_JTAG_EMU0

I/O

 

Connected to AM335x– EMU0, contact C14.

37

AM_JTAG_EMU1

I/O

 

Connected to AM335x– EMU1, contact B14.

38

VCC_3.3V_A

Power

43

Output PMIC LS2/LDO4, 3.3В@400mA. Power all banks VDDSHVx and peripherals.

39

VCC_VOLT

Power

7, 8

 

40

VCC_VOLT

Power

7, 8

 

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