User's Guide

MPC837xE-RDS, Rev. 1.0
18 Freescale Semiconductor
Preliminary, Subject to Change without Notice
MPC837xE-RDS Board
USB3300 PHY connects to a Type A receptacle connector that serves as a host interface. Figure 10 shows
the connection of USB.
Figure 10. USB Port Connections
2.1.13 PCI Subsystem
The MPC837xE has PCI interfaces. It connects to two 32-bit 3.3 V mini PCI slots, as shown in Figure 11.
Figure 11. PCI Subsystem
2.1.14 COP/JTAG Port
The common on-chip processor (COP) is part of the MPC837xE JTAG module and is implemented as a
set of additional instructions and logic. This port can connect to a dedicated emulator for extensive system
debugging. Several third-party emulators in the market can connect to the host computer through the
MPC837xE
ULPI_D[7:0]
ULPI_STP
ULPI_NXT
ULPI_CLK
DIR
USB3300
D[7:0]
STP
NXT
CLKOUT
ULPI_DIR
VBUS
DM
ID
5V
DP
USB_TYPE_A_RECEPTACLE
MPC837xE
32-Bit PCI
PCI-AD[0:31]
PCI-CBE
[0:3]
PCI-REQ0
PCI-GNT0
PCI-CTRL
32-Bit 3.3 V
Mini PCI Slot
32-Bit 3.3 V
Mini PCI Slot
PCI-REQ1
PCI-GNT1
AD15
AD14