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DM9008CEP Datasheet(PDF) 13 Page - Davicom Semiconductor, Inc. |
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DM9008CEP Datasheet(HTML) 13 Page - Davicom Semiconductor, Inc. |
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13 / 52 page  DM9008C Ethernet Controller with General Processor Interface Preliminary 13 Version: DM9008C-13-DS-P01 January 15, 2008 6. Vendor Control and Status Register Set The DM9008C 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 (in 8-bit mode) 0FH 00H PAR Physical Address Register 10H-15H Determined by EEPROM MAR Multicast Address Register 16H-1DH XXH GPCR General Purpose Control Register (in 8-bit mode) 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 00H 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 1AH TCR2 TX Control Register 2 2DH 00H OCR Operation Control Register 2EH 00H SMCR Special Mode Control Register 2FH 00H ETXCSR Early Transmit Control/Status Register 30H 00H TCSCR Transmit Check Sum Control Register 31H 00H RCSCSR Receive Check Sum Control Status Register 32H 00H LEDCR LED Pin Control Register 34H 00H BUSCR Processor Bus Control Register 38H 01H INTCR INT Pin Control Register 39H 00H SCCR System Clock Turn ON Control Register 50H 00H RSCCR Resume System Clock Control Register 51H XXH |
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