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CP6940 User Guide
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Functional Description
This chapter describes the board specific items of the CP6940. The base board is a standard Fabric 6U CompactPCI Giga-
bit Ethernet Switch with 24 channels.
Figure 1:
CP6940-RA-OC Functional Block Diagram
1.8 V
1.2 V
QUAD
RJ45
ETH+MAG
Quad
10/100/
1000Base-T
PHY
x4
x4
Broadcom
BCM56174
Hurricane3-MG
Option 10b
32x 1G + 4x 25 GbE +
8x 10G / 8x 40G
PCIe
SGMII 4P5
TSC4E 6 0
SGMII 4P1
SFP+
1/2.5/5/10G
SFP+
1/2.5/5/10G
x4
x4
J5
J3
4x MDI
4x MDI
4x MDI
3x MDI
Single
10/100/1000
Base-T PHY
USB
NXP
LS1020-1200MHz
UART[0:1]
DDR4
SGMII
SGMII
RJ45
ETH+MAG
SPI
2MB / 4MB
Memory
DDR3
2048 MB
BMC NXP
LPC2368
RTC
MicroCrystal
RV8564C3
EEPROM
PLD
RJ45
COM
J1
J2
I2C
UART[0:1]
SPI
UART_F
RS232
UART_R
I2C (S)
I2C
(M)
Power
Hotswap
5.0 V
3.3 V
5.0 V IPMI
JTAG
IPMB 1
IPMB 0
HEALTHY#
BD_SEL#
GA[4:0]
SA[4:0]
1.0 V_SW
TEMP
SENSOR
TMP423
FRU
EEPROM
AT24C512
SPI
I2C
KCS
(SPI-S)
KCS
(SPI-M)
ADC
IMON 5V/3.3V
CP6940 RA-OC
Sec Boot
Flash
25DF161
GPIO
GA[4:0]
BRD_REV[5:0]
Debug
Connector
eMMC
2GB pSLC
SD
TSC4E 6 1
TSC4E 6 2
TSC4E 6 3
QSFP+
4x 1/2.5/5/10G / 1x 40G
QSFP+
4x 1/10/25G/ 1x 40G
TSC4E 4
x4
x4
TSC4F
SGMII
J4
1x MDI
SFP+
1/2.5/5/10G
SFP+
1/2.5/5/10G
SFP
1G
SFP
1G
SGMII
SGMII TSC4Q0
UART_R
UART_R
Quad
10/100/1000
Base-T PHY
Quad
10/100/1000
Base-T PHY
Quad
10/100/1000
Base-T PHY
Quad
10/100/1000
Base-T PHY
Quad
10/100/1000
Base-T PHY
Quad
10/100/1000
Base-T PHY
SGMII 4P0
x4
SGMII 4P2
x4
SGMII 4P3
x4
SGMII 4P4
x4
4x MDI
3x MDI
1x MDI
iPROC
QSPI
iSGMII
NAND
iUART
iUART
iUART
iUART
I2C
I2C
DDR4
I2C
I2C (S)
I2C
PCIe
SGMII TSC4Q1
TSC461Opt0
UART
(BMC)
IFC
Interf.
ADT
7411
ADT
7411
1.0 V_Phy
1.0 V_CPU
1.35 V
2.5 V
3.3 V
IMON 5V/3.3V