Overview
In addition to the security engine, new high-speed interfaces such as SGMII interface on enhanced
Ethernet and PCI Express are included.
compares the differences between MPC837xE derivatives
and provides the number of ports available for each interface.
Table 1. High-Speed Interfaces on the MPC8377E, MPC8378E, and MPC8379E
Descriptions
SGMII
PCI Express®
SATA
MPC8377E
0
2
2
MPC8378E
2
2
0
MPC8379E
0
0
4
1.1
DDR Memory Controller
The DDR1/DDR2 memory controller includes the following features:
• Single 32- or 64-bit interface supporting both DDR1 and DDR2 SDRAM
• Support for up to 400-MHz data rate
• Support up to 4 chip selects
• 64-Mbit to 2-Gbit (for DDR1) and to 4-Gbit (for DDR2) devices with
×8/×16/×32
data ports (no
direct
×4
support)
• Support for up to 32 simultaneous open pages
• Supports auto refresh
• On-the-fly power management using CKE
• 1.8-/2.5-V SSTL2 compatible I/O
1.2
USB Dual-Role Controller
The USB controller includes the following features:
• Supports USB on-the-go mode, including both device and host functionality, when using an
external ULPI (UTMI + low-pin interface) PHY
• Complies with
USB Specification, Rev. 2.0
• Supports operation as a stand-alone USB device
— Supports one upstream facing port
— Supports three programmable USB endpoints
• Supports operation as a stand-alone USB host controller
— Supports USB root hub with one downstream-facing port
— Enhanced host controller interface (EHCI) compatible
• Supports high-speed (480 Mbps), full-speed (12 Mbps), and low-speed (1.5 Mbps) operation;
low-speed operation is supported only in host mode
• Supports UTMI + low pin interface (ULPI)
MPC8378E PowerQUICC
™
II Pro Processor Hardware Specifications, Rev. 2
Freescale Semiconductor
3
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
