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MCB_CLKR

W dokumencie AM3871 (Stron 95-100)

3 Device Pins

MCB_CLKR

MM: MUX1

McBSP Receive Clock I/O MCA[1]

MCA[1]_AXR[3]/ IPD PINCNTL38

N6 I/O

MCB_CLKR DVDD DSIS: PIN

MM: MUX0 MCA[0], MCB

MCA[0]_AXR[8]/ IPD PINCNTL29

MCB_FSX/ L1 I/O

DVDD DSIS: PIN

MCB_FSR MM: MUX1

McBSP Receive Frame Sync I/O MCA[1], MCB

MCA[1]_AXR[2]/ R3 I/O IPD PINCNTL37

MCB_FSR DVDD DSIS: PIN

MM: MUX0 MCA[0]

MCA[0]_AXR[6]/ IPD

M4 I/O PINCNTL27 McBSP Receive Data Input

MCB_DR DVDD DSIS: PIN

MCA[0]_AXR[9]/ MCA[0], MCB

MCB_CLKX/ M6 I/O IPD PINCNTL30 McBSP Transmit Clock I/O

MCB_CLKR DVDD DSIS: PIN

MCA[0]_AXR[8]/ MCA[0], MCB

MCB_FSX/ L1 I/O DVDDIPD PINCNTL29 McBSP Transmit Frame Sync I/O

MCB_FSR DSIS: PIN

MCA[0]

MCA[0]_AXR[7]/ L2 I/O IPD PINCNTL28 McBSP Transmit Data Output

MCB_DX DVDD

DSIS: PIN

(1) I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal, MM = Multi Muxed, DSIS = De-selected Input State

(2) IPD = Internal Pulldown Active, IPU = Internal Pullup Active, DIS = Internal Pull Disabled. This represents the default state of the Internal Pull during and after Reset. For more detailed information on pullup/pulldown resistors and situations where external pullup/pulldown resistors are required, see , Pullup/Pulldown Resistors and , Pin Behaviors at Reset.

(3) Specifies the operating I/O supply voltage for each signal

SIGNAL

TYPE(1) OTHER(2) (3) DESCRIPTION

NAME NO.

PCIE_TXP0 AD2 O PCIE Transmit Data Lane 0.

When the PCIe SERDES are powered down, these pins should be VDDA_PCIE_1P8

PCIE_TXN0 AD1 O

left unconnected.

PCIE_RXP0 AC2 I PCIE Receive Data Lane 0.

When the PCIe SERDES are powered down, these pins should be VDDA_PCIE_1P8

PCIE_RXN0 AC1 I

left unconnected.

PCIE Serdes Reference Clock Inputs and optional SATA

SERDES_CLKP AF1 I SERDES_CLK LDO

Reference Clock Inputs.

(internal)

Shared between PCI Express and Serial ATA. When PCI Express – is not used, and these pins are not used as optional SATA SERDES_CLKN AF2 I SERDES_CLK LDO Reference Clock Inputs, these pins can be left unconnected.

(internal)

(1) I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal, MM = Multi Muxed, DSIS = De-selected Input State

(2) IPD = Internal Pulldown Active, IPU = Internal Pullup Active, DIS = Internal Pull Disabled. This represents the default state of the Internal Pull after Reset. For more detailed information on pullup/pulldown resistors and situations where external pullup/pulldown resistors are required, see , Pullup/Pulldown Resistors and , Pin Behaviors at Reset.

(3) Specifies the operating I/O supply voltage for each signal

3.2.14 Reset, Interrupts, and JTAG Interface

Table 3-25. RESET, Interrupts, and JTAG Terminal Functions

SIGNAL

TYPE(1) OTHER(2) (3) MUXED DESCRIPTION

NAME NO.

RESET

IPU –

RESET J5 I Device Reset input

DVDD PINCNTL260

POR F1 I – – Power-On Reset input

DVDD

Reset output (RSTOUT) or watchdog out (WD_OUT)

DIS –

RSTOUT_WD_OUT K6 O DVDD PINCNTL262 For more detailed information on RSTOUT_WD_OUT pin behavior, seeSection 7.3.14, RSTOUT_WD_OUT Pin.

INTERRUPTS

IPU –

NMI H7 I Non-Maskable Interrupt input

DVDD PINCNTL261

Interrupt-capable general-purpose I/Os.

see see see NOTE: All pins are multiplexed with other pin functions.

GP0[31:0] I/O

Table 3-10 NOTE Table 3-10 SeeTable 3-10, GP0 Terminal Functions table for muxing and internal pullup/pulldown/disable details.

Interrupt-capable general-purpose I/Os.

see see see NOTE: All pins are multiplexed with other pin functions.

GP1[31:0] I/O

Table 3-11 NOTE Table 3-11 SeeTable 3-11, GP1 Terminal Functions table for muxing and internal pullup/pulldown/disable details.

Interrupt-capable general-purpose I/Os.

see see see NOTE: All pins are multiplexed with other pin functions.

GP2[31:0] Table 3-12 I/O NOTE Table 3-12 SeeTable 3-12, GP2 Terminal Functions table for muxing and internal pullup/pulldown/disable details.

Interrupt-capable general-purpose I/Os.

see see see NOTE: All pins are multiplexed with other pin functions.

GP3[31:0] I/O

Table 3-13 NOTE Table 3-13 SeeTable 3-13, GP3 Terminal Functions table for muxing and internal pullup/pulldown/disable details.

JTAG

TCLK W7 I DVDDIPU – JTAG test clock input

JTAG return clock output

IPU/DIS The internal pullup (IPU) is enabled for this pin when the

RTCK AD4 O –

DVDD device is in reset and the IPU is disabled (DIS) when reset is released.

TDI Y7 I IPU – JTAG test data input

DVDD

TDO AC5 O IPU – JTAG test port data output

DVDD

IPU JTAG test port mode select input. For proper operation, do

TMS AA7 I DVDD – not oppose the IPU on this pin.

TRST AA4 I IPD – JTAG test port reset input

DVDD

VOUT[0], VOUT[0]_R_CR[2]/

IPD GP2

EMU4/ AD9 I/O Emulator pin 4

DVDD PINCNTL196 GP2[26]

DSIS: PIN VOUT[0],

VOUT[0]_G_Y_YC[2]/ IPD GP2

EMU3/ AH7 I/O Emulator pin 3

DVDD PINCNTL188

GP2[24] DSIS: PIN

(1) I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal, MM = Multi Muxed, DSIS = De-selected Input State

(2) IPD = Internal Pulldown Active, IPU = Internal Pullup Active, DIS = Internal Pull Disabled. This represents the default state of the Internal Pull during and after Reset. For more detailed information on pullup/pulldown resistors and situations where external pullup/pulldown resistors are required, see , Pullup/Pulldown Resistors and , Pin Behaviors at Reset.

(3) Specifies the operating I/O supply voltage for each signal

NAME NO.

VOUT[0],

VOUT[0]_B_CB_C[2]/ IPD GP0

EMU2/ AG7 I/O Emulator pin 2

DVDD PINCNTL180

GP2[22] DSIS: PIN

EMU1 AE11 I/O IPU – Emulator pin 1

DVDD

EMU0 AG8 I/O IPU – Emulator pin 0

DVDD

3.2.15 Serial ATA (SATA) Signals

Table 3-26. Serial ATA (SATA) Terminal Functions

SIGNAL

TYPE(1) OTHER(2) (3) MUXED DESCRIPTION

NAME NO.

– Serial ATA Data Transmit.

SATA_TXN0 AB1 O –

VDDA_SATA_1P8

When the SATA SERDES are powered down, these

SATA_TXP0 AB2 O VDDA_SATA_1P8– – pins should be left unconnected.

– Serial ATA Data Receive.

SATA_RXN0 AA2 I –

VDDA_SATA_1P8

When the SATA SERDES are powered down, these

SATA_RXP0 AA1 I VDDA_SATA_1P8– – pins should be left unconnected.

SPI[0]_SCS[1]/ SPI[0], SD1,

SD1_SDCD/

EDMA, TIMER 4,

SATA_ACT0_LED/ AE5 O IPU GP1 Serial ATA disk 0 Activity LED output

EDMA_EVT1/ DVDD

PINCNTL80

TIM4_IO/ DSIS: N/A

GP1[6]

PCIE Serdes Reference Clock Inputs and optional

SERDES_CLKP AF1 I SERDES_CLK – SATA Reference Clock Inputs.

LDO (internal) Shared between PCI Express and Serial ATA. When PCI Express is not used, and these pins are not used – as optional SATA Reference Clock Inputs, these pins

SERDES_CLKN AF2 I SERDES_CLK –

should be left unconnected.

LDO (internal)

(1) I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal, MM = Multi Muxed, DSIS = De-selected Input State

(2) IPD = Internal Pulldown Active, IPU = Internal Pullup Active, DIS = Internal Pull Disabled. This represents the default state of the Internal Pull during and after Reset. For more detailed information on pullup/pulldown resistors and situations where external pullup/pulldown resistors are required, see , Pullup/Pulldown Resistors and , Pin Behaviors at Reset.

(3) Specifies the operating I/O supply voltage for each signal

W dokumencie AM3871 (Stron 95-100)

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