Product Data Sheet / Brochure

Broadcom 957414M4142C-DS107
4
BCM957414M4142C Data Sheet Dual-Port 25 Gb/s SFP28 Ethernet PCI Express 3.0 x8 OCP 2.0 Mezzanine Card
1 Functional Description
This section provides the functional description of the BCM957414M4142C OCP 2.0 mezzanine card.
1.1 Block Diagram
Figure 2 shows the main functional blocks on the BCM957414M4142C OCP 2.0 mezzanine card.
Figure 2: BCM957414M4142C Block Diagram
PCIe x8 GEN 3.0 Interface
12V_EDGE_MAIN
SFP28 Module 0
BCM57414
Controller
PCIe SMB
Interface
10G/25G
Isolation
Switch/
bypass
NVRAM
SPI Interface
V33_1
PCIE_RESET_L
SMB
Interface
4-Pin
Header
UART
Interface
MRS
Testpoints
GPIOs
Control/Status
PCIeSPIUART
BSC
50 MHz
Crystal
JTAG
Interface
12V to 3.3V
Switching
Regulator
SMB0
External Circuitry for on
chip V10_HOST
Regulation
External Circuitry for on
chip V10_VAON
Regulation
V10_VHOST
External Circuitry for on
chip V10_ANALOG
Regulation
V10_ANALOG
V10_VAON
External Circuitry for on
chip P1V8 Regulation
P1V8
V33_1
External Circuitry for on
chip P1V25 Regulation
P1V25
I
2
C Interface
XTAL
Host Interface Connector
FRU
MEZZ SMB
Interface
P5V_AUX
MAIN/AUX
PWR
SWITCH
NC-SI
Interface
NC-SI
10G/25G
WAKE_L
SFP28 Module 1
I
2
C Interface
V33_1
V33_1
SMB1