ZHCSEC3D October 2015 – November 2022 DP83867CS , DP83867E , DP83867IS
PRODUCTION DATA
请参考 PDF 数据表获取器件具体的封装图。
PIN | TYPE(1) | DESCRIPTION | |
---|---|---|---|
NAME | NO. | ||
MAC INTERFACES (SGMII, RGMII) | |||
TX_D3 | 25 | I, PD | TRANSMIT DATA Bit 3: This signal carries data from the MAC to the PHY in RGMII mode. It is synchronous to the transmit clock GTX_CLK. |
TX_D2 | 26 | I, PD | TRANSMIT DATA Bit 2: This signal carries data from the MAC to the PHY in RGMII mode. It is synchronous to the transmit clock GTX_CLK. |
SGMII_SIP | 27 | I, PD | Differential SGMII Data Input: This signal carries data from the MAC to the PHY in SGMII mode. It is synchronous to the differential SGMII clock input. This pin should be AC-coupled to the MAC through a 0.1-µF capacitor when operating in SGMII mode. |
TX_D1 | 27 | I, PD | TRANSMIT DATA Bit 1: This signal carries data from the MAC to the PHY in RGMII mode. It is synchronous to the transmit clock GTX_CLK. |
SGMII_SIN | 28 | I, PD | Differential SGMII Data Input: This signal carries data from the MAC to the PHY in SGMII mode. It is synchronous to the differential SGMII clock input. This pin should be AC-coupled to the MAC through a 0.1-µF capacitor when operating in SGMII mode. |
TX_D0 | 28 | I, PD | TRANSMIT DATA Bit 0: This signal carries data from the MAC to the PHY in RGMII mode. It is synchronous to the transmit clock GTX_CLK. |
GTX_CLK | 29 | I, PD | RGMII TRANSMIT CLOCK: This continuous clock signal is sourced from the MAC layer to the PHY. Nominal frequency is 125 MHz. |
RX_CLK | 32 | O | RGMII RECEIVE CLOCK: Provides the recovered receive clocks for different modes of operation: 2.5 MHz in 10-Mbps mode. 25 MHz in 100-Mbps mode. 125 MHz in 1000-Mbps mode. |
SGMII_COP | 33 | S, O | Differential SGMII Clock Output: This signal is a continuous 625-MHz clock signal driven by the PHY in SGMII mode. This pin should be AC-coupled to the MAC through a 0.1-µF capacitor when operating in SGMII mode. |
RX_D0 | 33 | S, O, PD | RECEIVE DATA Bit 0: This signal carries data from the PHY to the MAC in RGMII mode. It is synchronous to the receive clock RX_CLK. |
SGMII_CON | 34 | S, O, PD | Differential SGMII Clock Output: This signal is a continuous 625-MHz clock signal driven by the MAC in SGMII mode. This pin should be AC-coupled to the MAC through a 0.1-µF capacitor when operating in SGMII mode. |
RX_D1 | 34 | O, PD | RECEIVE DATA Bit 1: This signal carries data from the PHY to the MAC in RGMII mode. It is synchronous to the receive clock RX_CLK. |
SGMII_SOP | 35 | S, O, PD | Differential SGMII Data Output: This signal carries data from the PHY to the MAC in SGMII mode. It is synchronous to the differential SGMII clock output. |
This pin should be AC-coupled to the MAC through a 0.1-µF capacitor when operating in SGMII mode. | |||
RX_D2 | 35 | S, O, PD | RECEIVE DATA Bit 2: This signal carries data from the PHY to the MAC in RGMII mode. It is synchronous to the receive clock RX_CLK. |
SGMII_SON | 36 | S, O, PD | Differential SGMII Data Output: This signal carries data from the PHY to the MAC in SGMII mode. It is synchronous to the differential SGMII clock output. This pin should be AC-coupled to the MAC through a 0.1-µF capacitor when operating in SGMII mode. |
RX_D3 | 36 | O, PD | RECEIVE DATA Bit 3: This signal carries data from the PHY to the MAC in RGMII mode. It is synchronous to the receive clock RX_CLK. |
TX_CTRL | 37 | I, PD | TRANSMIT CONTROL: In RGMII mode, it combines the transmit enable and the transmit error signals of GMII mode using both clock edges. |
RX_CTRL | 38 | S, O, PD | RECEIVE CONTROL: In RGMII mode, the receive data available and receive error are combined (RXDV_ER) using both rising and falling edges of the receive clock (RX_CLK). |
GENERAL-PURPOSE I/O | |||
GPIO_0 | 39 | S, O, PD | General-Purpose I/O: This signal provides a multi-function configurable I/O. Refer to the GPIO_MUX_CTRL register for details. |
GPIO_1 | 40 | S, O, PD | General-Purpose I/O: This signal provides a multi-function configurable I/O. Refer to the GPIO_MUX_CTRL register for details. |
MANAGEMENT INTERFACE | |||
MDC | 16 | I, PD | MANAGEMENT DATA CLOCK: Synchronous clock to the MDIO serial management input and output data. This clock may be asynchronous to the MAC transmit and receive clocks. The maximum clock rate is 25 MHz and no minimum. |
MDIO | 17 | I/O | MANAGEMENT DATA I/O: Bidirectional management instruction and data signal that may be sourced by the management station or the PHY. This pin requires pullup resistor. The IEEE specified resistor value is 1.5 kΩ, but a 2.2 kΩ is acceptable. |
INT / PWDN | 44 | I/O, PU | INTERRUPT / POWER DOWN: The default function of this pin is POWER DOWN. POWER DOWN: This is an Active Low Input. Asserting this signal low enables the power-down mode of operation. In this mode, the device powers down and consume minimum power. Register access is available through the Management Interface to configure and power up the device. INTERRUPT: When operating this pin as an interrupt, it is an open-drain architecture. TI recommends using an external 2.2-kΩ resistor connected to the VDDIO supply. |
RESET | |||
RESET_N | 43 | I, PU | RESET: The active low RESET initializes or reinitializes the DP83867. All internal registers re-initialize to their default state upon assertion of RESET. The RESET input must be held low for a minimum of 1 µs. |
CLOCK INTERFACE | |||
XI | 15 | I | CRYSTAL/OSCILLATOR INPUT: 25-MHz oscillator or crystal input (50 ppm) |
XO | 14 | O | CRYSTAL OUTPUT: Second terminal for 25-MHz crystal. Must be left floating if a clock oscillator is used. |
CLK_OUT | 18 | O | CLOCK OUTPUT: Output clock |
JTAG INTERFACE | |||
JTAG_CLK | 20 | I, PU | JTAG TEST CLOCK: IEEE 1149.1 Test Clock input, primary clock source for all test logic input and output controlled by the testing entity. |
JTAG_TDO | 21 | O | JTAG TEST DATA OUTPUT: IEEE 1149.1 Test Data Output pin, the most recent test results are scanned out of the device through TDO. |
JTAG_TMS | 22 | I, PU | JTAG TEST MODE SELECT: IEEE 1149.1 Test Mode Select pin, the TMS pin sequences the Tap Controller (16-state FSM) to select the desired test instruction. TI recommends applying 3 clock cycles with JTAG_TMS high to reset the JTAG. |
JTAG_TDI | 23 | I, PU | JTAG TEST DATA INPUT: IEEE 1149.1 Test Data Input pin, test data is scanned into the device through TDI. |
LED INTERFACE | |||
LED_2 | 45 | S, I/O, PD | LED_2: By default, this pin indicates receive or transmit activity. Additional functionality is configurable through LEDCR1[11:8] register bits. |
LED_1 | 46 | S, I/O, PD | LED_1: By default, this pin indicates that 1000BASE-T link is established. Additional functionality is configurable through LEDCR1[7:4] register bits. |
LED_0 | 47 | S, I/O, PD | LED_0: By default, this pin indicates that link is established. Additional functionality is configurable through LEDCR1[3:0] register bits. |
MEDIA DEPENDENT INTERFACE | |||
TD_P_A | 1 | A | Differential Transmit and Receive Signals |
TD_M_A | 2 | A | Differential Transmit and Receive Signals |
TD_P_B | 4 | A | Differential Transmit and Receive Signals |
TD_M_B | 5 | A | Differential Transmit and Receive Signals |
TD_P_C | 7 | A | Differential Transmit and Receive Signals |
TD_M_C | 8 | A | Differential Transmit and Receive Signals |
TD_P_D | 10 | A | Differential Transmit and Receive Signals |
TD_M_D | 11 | A | Differential Transmit and Receive Signals |
OTHER PINS | |||
RBIAS | 12 | A | Bias Resistor Connection. A 11-kΩ ±1% resistor should be connected from RBIAS to GND. |
POWER AND GROUND PINS | |||
VDDA2P5 | 3, 9 | P | 2.5-V Analog Supply (±5%). Each pin requires a 1-µF and 0.1-µF capacitor to GND. |
VDD1P0 | 6, 24, 31, 42 | P | 1-V Analog Supply (+15.5%, –5%). Each pin requires a 1-µF and 0.1-µF capacitor to GND. |
VDDA1P8 | 13, 48 | P | 1.8-V Analog Supply (±5%). No external supply is required for this pin. When unused, no connections should be made to this pin. For additional power savings, an external 1.8-V supply can be connected to these pins. When using an external supply, each pin requires a 1-µF and 0.1-µF capacitor to GND. |
VDDIO | 19, 30, 41 | P | I/O Power: 1.8 V (±5%), 2.5 V (±5%) or 3.3 V (±5%). Each pin requires a 1-µF and 0.1-µF capacitor to GND |
GND | Die Attach Pad | P | Ground |
The definitions below define the functionality of each pin.