Broadcom BCM5722 - Figure 2: Typical BCM5754-Based NIC Board Block Diagram; Table 5: BCM5754 NIC Part Component Breakdown; Typical Application

Programmer’s Guide BCM5722
10/15/07
Broadcom Corporation
Document 5722-PG101-R BCM5754, BCM5754M, BCM5787, and BCM5787M MACs Page 12
TYPICAL APPLICATION
Figure 2 shows a typical BCM5754-based NIC board layout.
Figure 2: Typical BCM5754-Based NIC Board Block Diagram
Table 5: BCM5754 NIC Part Component Breakdown
Part Component Description
RJ-45 The physical connector for category 5 twisted-pair cabling.
Magnetics The pulse H5007 isolates the physical layer from voltage events such as sags, swells, and transients.
The magnetics module also compensates for impedance mismatches between the cabling and
physical layer.
Clock source A crystal oscillator generates a 25-MHz clocking signal.
Voltage regulators Internal voltage regulator controllers provide control for external PNP controlled supplies for 2.5V and
1.2V.
MAC The BCM5754 MAC
PCIe This specification defines a protocol for bus master controller and target data movement. The MAC is
a bus master controller and may move data without CPU intervention.
EEPROM/Flash The non-volatile storage for firmware bootcode, MAC address, VPD, and PXE code. The NVRAM is
read after the MAC is reset.
BCM5754
Magnetic
MEDIA
PCIe
1000BASE-T Link Status LED
64-KB Serial EEPROM or Flash
25-MHz
Crystal
100BASE-T Link Status LED
10BASE-T Link Status LED
Activity LED
PNP for 1.2V
Regulator
RJ-45