Datasheet

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DP83815
3.0 Functional Description
DP83815 consists of a MAC/BIU (Media Access
Controller/Bus Interface Unit), a physical layer interface,
SRAM, and miscellaneous support logic. The MAC/BIU
includes the PCI bus, BIOS ROM and EEPROM interfaces,
and an 802.3 MAC. The physical layer interface used is a
single-port version of the 3.3V DsPhyter. Internal memory
consists of one - 0.5 KB and two - 2 KB SRAM blocks.
Figure 3-1 DP83815 Functional Block Diagram
MAC/BIU
Interface
SRAM
25 MHz Clk
MII RX
MII TX
MII Mgt
BIOS ROM Cntl
BIOS ROM Data
BROM/EE
PCI AD
PCI CNTL
PCI CLK
3V DSP Physical Layer
Logic
RX-2 KB
SRAM
TX-2 KB
TPRDP/M
EEPROM/LEDs
MII TX MII RX MII Mgt
Test data in
Test data out
MII TX MII RX MII Mgt
TPTDP/M
DP83815
Tx Addr
Tx wr data
Rx Addr
Rx wr data
Rx rd data
Tx rd data
RAM
BIST
Logic
SRAM
RXFilter
.5 KB
Obsolete