User's Guide
Table Of Contents
- About This Book
- 1 Introduction
- 2 MPC837xE-RDS Board
- 2.1 Board-Level Functions
- 2.1.1 Reset and Reset Configurations
- 2.1.2 External Interrupts
- 2.1.3 Clock Distribution
- 2.1.4 DDR2 SDRAM Controller
- 2.1.5 Local Bus Controller
- 2.1.6 Flash Memory
- 2.1.7 I2C
- 2.1.8 SATA Controller
- 2.1.9 PCI Express Interface (PCI-E & Mini PCI-E)
- 2.1.10 10/100/1000 BaseT Interface
- 2.1.11 RS-232 Port
- 2.1.12 USB 2.0 Interface
- 2.1.13 PCI Subsystem
- 2.1.14 COP/JTAG Port
- 2.2 MPC837xE-RDS Assembly
- 2.3 Connectors
- 2.4 LEDs
- 2.5 MPC837xE-RDS Board Configuration
- 2.6 Specifications
- 2.7 Mechanical Data
- 2.1 Board-Level Functions
- 3 Board Bootup
- 4 MPC837xE-RDS Software
- 5 Unit Assembly
- MPC837xE-RDS
MPC837xE-RDS, Rev. 1.0
12 Freescale Semiconductor
Preliminary, Subject to Change without Notice
MPC837xE-RDS Board
2.1.3 Clock Distribution
Figure 4 and Table 1 show the clock distribution on the MPC837xE-RDS board.
Figure 4. MPC837xE-RDS Clock Distribution Diagram
MPC837xE
Local Bus CLK
DDR2 SDRAM
LCLKx
MCKx
MCKx
200 MHz
50 MHz to 133 MHz
eTSEC
local bus
DLL
DDR
DLL
PCI
DIV
66.666 MHz
OSC
CLKIN
33/66 MHz
33/66 MHz
Mini PCI Slot
Mini PCI Slot
OCCR
2
PCI_SYNC_OUT
PCI_SYNC_IN
System
PLL
CFG_CLKIN_DIV
USB3300
GND GND
24 MHz
Crystal
25 MHz
OSC
RTL8211B
RTL8211B
M66EN
CLK (DDR400)
125 MHz
25 MHz
OSC
PI6C557-03
PI6C557-03
SD_REF_CLKx
SD_REF_CLKx
PCIE_CLKx
PCIE_CLKx
100 MHz
SerDes Interface
100 MHz
Mini PCI-e or
PCI-e x1 Interface