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Atlas 200 Hardware Development Guide 03

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Connector Functions

Connector Functions

Table 2-2 Atlas 200 connector signal pin map

Pin Number

Signal Name

Pin Number

Signal Name

1

VSYS

2

VSYS

3

VSYS

4

VSYS

5

VSYS

6

VSYS

7

VSYS

8

VSYS

9

VSYS

10

VSYS

11

VSYS

12

VSYS

13

VSYS

14

VSYS

15

VSYS

16

VSYS

17

INT_OUT

18

BOOT_MD1

19

P_DETECT_IN

20

GND

21

GPIO73

22

BOOT_MD2

23

UART0_RXD

24

BOOT_MD0

25

UART0_TXD

26

GE_PHY_RST_N

27

GND

28

PCIE_EP_RC_FLAG

29

EMMC_DATA7

30

GND

31

EMMC_DATA5

32

SD_EMMC_DATA2

33

EMMC_DATA6

34

SD_EMMC_DATA1

35

EMMC_DATA4

36

SD_EMMC_DATA3

37

GND

38

SD_EMMC_DATA0

39

SD_EMMC_CLK

40

SD_EMMC_CMD

41

GND

42

GND

43

RGMII_RXD_CLK

44

PCIE_CLKREQ_N

45

RGMII_RXD3

46

PCIE_PEWAKE_N

47

RGMII_RXD2

48

LDO9_2V95/1V8

49

RGMII_RXD1

50

GND

51

RGMII_RXD0

52

VIO_MMC

53

RGMII_RXD_EN

54

LDO15_2V95

55

GND

56

VBUCK8_1V8

57

PCIE_RX0_P

58

LDO16_2V95

59

PCIE_RX0_N

60

LDO16_2V95

61

GND

62

HOST_RST_N

63

PCIE_RX1_P

64

GND

65

PCIE_RX1_N

66

PCIE_TX0_P

67

GND

68

PCIE_TX0_N

69

PCIE_RX2_P

70

GND

71

PCIE_RX2_N

72

PCIE_TX1_P

73

GND

74

PCIE_TX1_N

75

PCIE_RX3_P

76

GND

77

PCIE_RX3_N

78

PCIE_TX2_P

79

GND

80

PCIE_TX2_N

81

USB3_RX_P

82

GND

83

USB3_RX_M

84

PCIE_TX3_P

85

GND

86

PCIE_TX3_N

87

USB2_DP

88

GND

89

USB2_DM

90

PCIE_CLK_IN_P

91

GND

92

PCIE_CLK_IN_N

93

RGMII_TXD_CLK

94

GND

95

GND

96

USB3_TX_P

97

RGMII_TXD3

98

USB3_TX_M

99

RGMII_TXD2

100

GND

101

RGMII_TXD1

102

GE_PHY_INT

103

RGMII_TXD0

104

ADD_SEL

105

RGMII_TXD_EN

106

SD_DETECT/GPIO3

107

GND

108

SLOT_SEL0

109

GPIO_RST_OUT

110

SLOT_SEL1

111

USB_VBUS

112

HOST_POWER_EN

113

INT_IN

114

GND

115

GPIO2

116

PWM1

117

GND

118

PWM0

119

SPI2_MOSI/EMMC_SD_SEL

120

P_DETECT_OUT

121

SPI2_CLK

122

PCIE_PERST_N

123

SPI2_MISO

124

SPI1_MISO

125

SPI2_CS_N

126

SPI1_CLK

127

GND

128

GND

129

SPI1_CS1_N/GPIO65

130

SPI1_MOSI

131

SPI1_CS0_N

132

MDC

133

I2C1_SDA

134

MDIO

135

I2C1_SCL

136

UART1_TXD

137

I2C2_SDA

138

UART1_RXD

139

I2C2_SCL

140

I2C0_SCL

141

GPIO6

142

I2C0_SDA

143

RSVD

144

RSVD

Table 2-3 Atlas 200 connector signals

Module Division

Pin Name

Main Function

Multiplexing Function

Default Status

Interruption

Sleep Status

Level

Default Direction After Reset

Direction After Loading

PCIe

PCIE_RX0_P/N

-

-

-

-

-

N/A

I

I

PCIE_RX1_P/N

-

-

-

-

-

N/A

I

I

PCIE_RX2_P/N

-

-

-

-

-

N/A

I

I

PCIE_RX3_P/N

-

-

-

-

-

N/A

I

I

PCIE_TX0_P/N

-

-

-

-

-

N/A

O

O

PCIE_TX1_P/N

-

-

-

-

-

N/A

O

O

PCIE_TX2_P/N

-

-

-

-

-

N/A

O

O

PCIE_TX3_P/N

-

-

-

-

-

N/A

O

O

PCIE_CLK_IN_P/N

-

-

-

-

-

N/A

I

I

PCIE_EP_RC_FLAG

GPIO66

PCIE_EP_RC_FLAG

Internal PU of the chip

-

Power off

1.8 V

I

I

PCIE_PERST_N

PERST

GPIO11

Board-level BUCK8 100 kΩ pull-up resistor.

GPIO interrupt

Non-power-off

1.8 V

I

I

PCIE_CLKREQ_N

CLKREQ

GPIO94

Internal PU of the chip

GPIO interrupt

Power off

1.8 V

I

I/O

PCIE_PEWAKE_N

PEWAKE

GPIO93/POWER_STATE

Internal PU of the chip

GPIO interrupt

Power off

1.8 V

I

I/O

MDIO

MDC

MDC

GPIO89

Internal PU of the chip

GPIO interrupt

Power off

1.8 V

O

O

MDIO

MDIO

GPIO90

Internal PU of the chip

GPIO interrupt

Power off

1.8 V

I

I/O

RGMII

GE_PHY_RST_N

GPIO71

EXT_INT8

Internal PD of the chip

GPIO interrupt

EXT interrupt

Power off

1.8 V

I

O

RGMII_RXD_EN

RXD_EN

GPIO50

Internal PU of the chip

GPIO interrupt

Power off

1.8 V

I

I

RGMII_RXD_CLK

RXD_CLK

GPIO45

Internal PU of the chip

GPIO interrupt

Power off

1.8 V

I

I

RGMII_RXD3

RXD3

GPIO49

Internal PU of the chip

GPIO interrupt

Power off

1.8 V

I

I

RGMII_RXD2

RXD2

GPIO48

Internal PU of the chip

GPIO interrupt

Power off

1.8 V

I

I

RGMII_RXD1

RXD1

GPIO47

Internal PU of the chip

GPIO interrupt

Power off

1.8 V

I

I

RGMII_RXD0

RXD0

GPIO46

Internal PU of the chip

GPIO interrupt

Power off

1.8 V

I

I

RGMII_TXD_EN

TXD_EN

GPIO44

Internal PU of the chip

GPIO interrupt

Power off

1.8 V

O

O

RGMII_TXD_CLK

TXD_CLK

GPIO39

Internal PU of the chip

GPIO interrupt

Power off

1.8 V

O

O

RGMII_TXD3

TXD3

GPIO43

Internal PU of the chip

GPIO interrupt

Power off

1.8 V

O

O

RGMII_TXD2

TXD2

GPIO42

Internal PU of the chip

GPIO interrupt

Power off

1.8 V

O

O

RGMII_TXD1

TXD1

GPIO41

Internal PU of the chip

GPIO interrupt

Power off

1.8 V

O

O

RGMII_TXD0

TXD0

GPIO40

Internal PU of the chip

GPIO interrupt

Power off

1.8 V

O

O

GE_PHY_INT

PHY_INT

GPIO10

Internal PU of the chip

GPIO interrupt

Non-power-off

1.8 V

I

I

SD & eMMC

SD_EMMC_DATA0

DATA0

GPIO53

Internal PU of the chip

GPIO interrupt

Power off

VIO_MMC

1.8 V/3.3 V

I

I

SD_EMMC_DATA1

DATA1

GPIO54

Internal PU of the chip

GPIO interrupt

Power off

VIO_MMC

1.8 V/3.3 V

I

I

SD_EMMC_DATA2

DATA2

GPIO55

Internal PU of the chip

GPIO interrupt

Power off

VIO_MMC

1.8 V/3.3 V

I

I

SD_EMMC_DATA3

DATA3

GPIO56

Internal PU of the chip

GPIO interrupt

Power off

VIO_MMC

1.8 V/3.3 V

I

I

EMMC_DATA4

DATA4

GPIO57

Internal PU of the chip

GPIO interrupt

Power off

VIO_MMC

1.8 V/3.3 V

I

I

EMMC_DATA5

DATA5

GPIO58

Internal PU of the chip

GPIO interrupt

Power off

VIO_MMC

1.8 V/3.3 V

I

I

EMMC_DATA6

DATA6

GPIO59

Internal PU of the chip

GPIO interrupt

Power off

VIO_MMC

1.8 V/3.3 V

I

I

EMMC_DATA7

DATA7

GPIO60

Internal PU of the chip

GPIO interrupt

Power off

VIO_MMC

1.8 V/3.3 V

I

I

SD_DETECT/GPIO3

GPIO3

EXT_INT1

Internal PD of the chip

EXT_INT

GPIO interrupt

Non-power-off

1.8 V

I

I

SD_EMMC_CMD

CMD

GPIO62

Internal PU of the chip

GPIO interrupt

Power off

1.8 V/3 V

O

O

SD_EMMC_CLK

CLK

GPIO61

Internal PU of the chip

GPIO interrupt

Power off

1.8 V/3 V

O

O

VIO_MMC

-

-

-

-

-

1.8 V/3 V

I

-

LDO15_2V95

-

-

ON

-

Controlled by software

3 V

O

-

LDO9_2V95/1V8

-

-

OFF

-

OFF

1.8 V/3 V

O

-

LDO16_2V95

-

-

OFF

-

OFF

3 V

O

-

VBUCK8_1V8

-

-

ON

-

ON

1.8 V

O

-

USB

USB3_RX_P/M

-

-

-

-

-

N/A

-

-

USB3_TX_P/M

-

-

-

-

-

N/A

-

-

USB2_DP/M

-

-

-

-

-

N/A

-

-

USB_VBUS

-

-

-

-

-

N/A

I

-

UART0

UART0_RXD

RXD

GPIO51

Internal PU of the chip

GPIO interrupt

Power off

BUCK8_1.8 V

I

I

UART0_TXD

TXD

GPIO52

Internal PU of the chip

GPIO interrupt

Power off

BUCK8_1.8 V

O

O

I2C0

I2C0_SCL

SCL

GPIO8

Board-level AUX18

4.7 kΩ pull-up resistor

GPIO interrupt

Non-power-off

BUCK8_1.8 V

I

I/O

I2C0_SDA

SDA

GPIO9

Board-level AUX18

4.7 kΩ pull-up resistor

GPIO interrupt

Non-power-off

BUCK8_1.8 V

I

I/O

I2C1

I2C1_SCL

SCL

GPIO85

Internal PU of the chip

GPIO interrupt

Power off

BUCK8_1.8 V

I

I/O

I2C1_SDA

SDA

GPIO86

Internal PU of the chip

GPIO interrupt

Power off

BUCK8_1.8 V

I

I/O

SPI1

SPI1_CS0_N

CS0

GPIO78

Internal PU of the chip

GPIO interrupt

Power off

BUCK8_1.8 V

O

O

SPI1_CS1_N

GPIO65

CS1

Internal PU of the chip

GPIO interrupt

Power off

BUCK8_1.8 V

I

O

SPI1_CLK

CLK

GPIO77

Internal PD of the chip

GPIO interrupt

Power off

BUCK8_1.8 V

O

O

SPI1_MOSI

MOSI

GPIO83/Trap trap pins

Internal PD of the chip

GPIO interrupt

Power off

BUCK8_1.8 V

O

O

SPI1_MISO

MISO

GPIO80

Internal PU of the chip

GPIO interrupt

Power off

BUCK8_1.8 V

I

I

SPI2

SPI2_CS_N

CS

GPIO82

Internal PU of the chip

GPIO interrupt

Power off

BUCK8_1.8 V

O

O

SPI2_CLK

CLK

GPIO81

Internal PD of the chip

GPIO interrupt

Power off

BUCK8_1.8 V

O

O

SPI2_MOSI/EMMC_SD_SEL

MOSI

GPIO83/Trap pins

Internal PD of the chip

GPIO interrupt

Power off

BUCK8_1.8 V

O

O

SPI2_MISO

MISO

GPIO84

Internal PU of the chip

GPIO interrupt

Power off

BUCK8_1.8 V

I

I

SPI3&

I2C/UART

I2C2 SDA

SCL

GPIO88//SPI3_CS

Internal PU of the chip

GPIO interrupt

Power off

BUCK8_1.8 V

I

I/O

I2C2 SCL

SDA

GPIO87/SPI3_CLK

Internal PU of the chip

GPIO interrupt

Power off

BUCK8_1.8 V

I

I/O

UART1_TXD

TXD

GPIO92/SPI3_MOSI

Internal PU of the chip

GPIO interrupt

Power off

BUCK8_1.8 V

O

O

UART1_RXD

RXD

GPIO91/SPI3_MISO

Internal PU of the chip

GPIO interrupt

Power off

BUCK8_1.8 V

I

I

Module Power-On

HOST_POWER_EN

-

-

Board-level PMUD

10 kΩ pull-up resistor

-

-

PMUD 1.8 V

I

I

HOST_RST_N

HOST_RST_N

-

-

Board-level BUCK8

10 kΩ pull-up resistor

-

-

BUCK8_1.8 V

I

I

Interrupt output ALERT

INT_OUT

GPIO69

EXT_INT6

Internal PD of the chip

EXT_INT

GPIO interrupt

Power off

BUCK8_1.8 V

I

O

Interrupt input

INT_IN

GPIO1

EXT_INT3

Internal PD of the chip

EXT_INT

GPIO interrupt

Non-power-off

BUCK8_1.8 V

I

I

Fan control

PWM0

GPIO12

PWM0

Internal PU of the chip

GPIO interrupt

Non-power-off

BUCK8_1.8 V

I

O

PWM1

GPIO13

PWM1

Internal PU of the chip

GPIO interrupt

Non-power-off

BUCK8_1.8 V

I

O

GPIO73

GPIO73

GPIO73

-

Internal PU of the chip

GPIO interrupt

Power off

BUCK8_1.8 V

I

I/O

GPIO2

GPIO2

GPIO2

EXT_INT0

Internal PD of the chip

EXT_INT

GPIO interrupt

Non-power-off

BUCK8_1.8 V

I

I/O

GPIO6

GPIO6

GPIO6

-

Internal PD of the chip

GPIO interrupt

Power off

BUCK8_1.8 V

I

I/O

GPIO_RST_OUT

GPIO_RST_OUT

GPIO_RST_OUT

EXT_INT4

Internal PD of the chip

EXT_INT

GPIO interrupt

Non-power-off

BUCK8_1.8 V

O

O

BOOT_MD0

BOOT_MD0

GPIO95

BOOT_MD

Internal PD of the chip

-

Power off

BUCK8_1.8 V

I

O

BOOT_MD1

BOOT_MD1

GPIO96

BOOT_MD

Internal PU of the chip

-

Power off

BUCK8_1.8 V

I

O

BOOT_MD2

BOOT_MD2

GPIO97

BOOT_MD

Internal PD of the chip

-

Power off

BUCK8_1.8 V

I

O

Presence detection

P_DETECT_IN

P_DETECT_OUT

-

-

-

-

-

NA

-

-

Slot ID

SLOT_SEL1

ADC8

-

Board-level LDO27

100 kΩ pull-up resistor

-

Non-power-off

LDO27 1.8 V

I

I

Slot ID

SLOT_SEL0

ADC7

-

Board-level LDO27

100 kΩ pull-up resistor

-

Non-power-off

LDO27 1.8 V

I

I

I2C address selection

ADD_SEL

GPIO74

ADD_SEL

Board-level AUX18

1 kΩ pull-up resistor

-

Power off

AUX18 1.8 V

I

I

reserved for O&M

RSVD

-

-

-

-

-

-

-

-

Power input

VSYS

-

-

-

-

-

-

-

-

GND

GND

-

-

-

-

-

-

-

-

Translation
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Updated: 2019-11-18

Document ID: EDOC1100079542

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