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DM9000EP 数据表(PDF) 11 Page - Davicom Semiconductor, Inc. |
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DM9000EP 数据表(HTML) 11 Page - Davicom Semiconductor, Inc. |
11 / 53 page DM9000 ISA to Ethernet MAC Controller with Integrated 10/100 PHY Final 11 Version: DM9000-DS-F03 April 23, 2009 6. Vendor Control and Status Register Set The DM9000 implements several control and status registers, which can be accessed by the host. These CSRs are byte aligned. All CSRs are set to their default values by hardware or software reset unless they are specified Register Description Offset Default value after reset NCR Network Control Register 00H 00H NSR Network Status Register 01H 00H TCR TX Control Register 02H 00H TSR I TX Status Register I 03H 00H TSR II TX Status Register II 04H 00H RCR RX Control Register 05H 00H RSR RX Status Register 06H 00H ROCR Receive Overflow Counter Register 07H 00H BPTR Back Pressure Threshold Register 08H 37H FCTR Flow Control Threshold Register 09H 38H FCR RX Flow Control Register 0AH 00H EPCR EEPROM & PHY Control Register 0BH 00H EPAR EEPROM & PHY Address Register 0CH 40H EPDRL EEPROM & PHY Low Byte Data Register 0DH XXH EPDRH EEPROM & PHY High Byte Data Register 0EH XXH WCR Wake Up Control Register 0FH 00H PAR Physical Address Register 10H-15H Determined by EEPROM MAR Multicast Address Register 16H-1DH XXH GPCR General Purpose Control Register 1EH 01H GPR General Purpose Register 1FH XXH TRPAL TX SRAM Read Pointer Address Low Byte 22H 00H TRPAH TX SRAM Read Pointer Address High Byte 23H 00H RWPAL RX SRAM Write Pointer Address Low Byte 24H 04H RWPAH RX SRAM Write Pointer Address High Byte 25H 0CH VID Vendor ID 28H-29H 0A46H PID Product ID 2AH-2BH 9000H CHIPR CHIP Revision 2CH 00H SMCR Special Mode Control Register 2FH 00H MRCMDX Memory Data Read Command Without Address Increment Register F0H XXH MRCMD Memory Data Read Command With Address Increment Register F2H XXH MRRL Memory Data Read_ address Register Low Byte F4H 00H MRRH Memory Data Read_ address Register High Byte F5H 00H MWCMDX Memory Data Write Command Without Address Increment Register F6H XXH MWCMD Memory Data Write Command With Address Increment Register F8H XXH MWRL Memory Data Write_ address Register Low Byte FAH 00H |
类似零件编号 - DM9000EP |
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类似说明 - DM9000EP |
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