NXP Semiconductors PowerQUICC MPC8308

Micetek International Inc.

User’s Guide

The MPC8308_RDB is a system featuring the

PowerQUICC™ processor, MPC8308. This low-cost,

high-performance system solution consists of a printed

circuit board (PCB) assembly plus a software board support

package (BSP) distributed in a CD image. This BSP enables

the fastest possible time-to-market for development or

integration of applications including printer engines,

broadband gateways, no-new-wires home adapters/access

points, and home automation boxes.

This document describes the hardware features of the board

including specifications, block diagram, connectors,

interfaces, and hardware straps. It also describes the board

settings and physical connections needed to boot the

MPC8308_RDB. Finally, it considers the software shipped

with the platform.

When you finish reading this document, you should:

• be familiar with the board layout

• understand the default board configuration and your

board configuration options

• know how to get started and boot the board

• know about the software and further documentation

that supports the board

Document Number: MPC8308RDBUG

Rev. 3, 03/2010

Contents

1 MPC8308_RDB Hardware . . . . . . . . . . . . . . . . . . . . . .3

2 Board-Level Functions . . . . . . . . . . . . . . . . . . . . . . . . .7

3 Connectors, Jumpers, Switches, and LEDs . . . . . . . . .19

4 MPC8308_RDB Board Configuration. . . . . . . . . . . . 26

5 Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

6 MPC8308_RDB Software . . . . . . . . . . . . . . . . . . . . . .33

7 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

WARNING

This is a class A product. In a domestic

environment this product may cause radio

interference in which case the user may be

required to take adequate measures.

PowerQUICC™ MPC8308_RDB User’s

Guide

PowerQUICC™ MPC8308_RDB User’s Guide, Rev. 3

2Micetek International Inc.

Use this manual in conjunction with the following documents:

•MPC8308 PowerQUICC™ II Pro Integrated Communications Processor Family Reference

Manual (MPC8308RM)

•MPC8308 PowerQUICC II Pro Processor Hardware Specifications (MPC8308EC)

•Hardware and Layout Design Considerations for DDR Memory Interfaces (AN2582)

NOTE

The normal function of the product may be disturbed by strong

electromagnetic interference. If so, simply reset the product to resume

normal operation by following the instructions in the manual. If normal

function does not resume, use the product in another location.

This equipment has been tested and found to comply with the limits for a

Class A digital device, pursuant to Part 15 of the FCC Rules. These limits

are designed to provide reasonable protection against harmful interference

when the equipment is operated in a commercial environment. This

equipment generates, uses, and can radiate radio frequency energy and, if

not installed and used in accordance with the instruction manual, may cause

harmful interference to radio communications. Operation of this equipment

in a residential area is likely to cause harmful interference in which case the

user will be required to correct the interference at his/her own expense.

PowerQUICC™ MPC8308_RDB User’s Guide, Rev. 3

Micetek International Inc. 3

MPC8308_RDB Hardware

1 MPC8308_RDB Hardware

This section covers the features, block diagram, specifications, and mechanical data of the

MPC8308_RDB.

1.1 Features

• CPU: Freescale MPC8308 running at 400/133 MHz; CPU/coherent system bus (CSB)

• Memory subsystem:

— 128 MByte unbuffered DDR2 SDRAM discrete devices

— 8 MByte NOR flash single-chip memory

— 32 MByte NAND flash memory

— 256 Kbit M24256 serial EEPROM

• Interfaces:

— 10/100/1000 BaseT Ethernet ports:

– eTSEC1, RGMII: one 10/100/1000 BaseT RJ-45 interface using Realtek

™

RTL8211B

single port 10/100/1000 BaseT PHY

– eTSEC2, RGMII: five 10/100/1000 BaseT RJ-45 interfaces using Vitesse

™

VSC7385

5-port L2 Gigabit Ethernet switch

— USB 2.0 port:

– High-speed host/device/OTG USB interface using external ULPI PHY interface by SMSC

USB3300 USB PHY

— PCI Express:

– One mini PCI Express connector supporting half and full size mini PCI Express card

— eSDHC port:

– One SD card connector

— Dual UART ports:

– DUART interface: supports two UARTs up to 115200 bps for console display

— I2C

– I2C connected to Dallas

DS1339 RTC with battery holder and Atmel

AT24C08 Serial

EEPROM

• Freescale MC9S08QG8 MCU (20-MHz HCS08 CPU) for fan control and soft start

— Support for Low Power / Wake on LAN. This can be MCU controlled or logic

• Board Connectors:

— 4 pins Power Jack connector

— Dual RS-232C connectors

— JTAG / COP for debugging

— IEEE® Std. 1588™ signals for test and measurement

— 8 pins SPI header for future expansion

• Form factor:

PowerQUICC™ MPC8308_RDB User’s Guide, Rev. 3

4Micetek International Inc.

MPC8308_RDB Hardware

— Mini-ITX form factor (170 mm x 170 mm, or 6693 mils x 6693 mils)

• 6-layer PCB (4-layer signals, 2-layer power and ground) routing

• Certification

— CE (Class A) / FCC (Class A)

• Lead-Free (RoHS)

Figure 1 shows the MPC8308_RDB block diagram.

Figure 1. MPC8308_RDB Block Diagram

MPC8308

eTSEC2 Vitesse

L2 Switch

RGMII

ULPI SMSC

USB PHY

IEEE1588

eTSEC1 Realtek

PHY

Clock, pulse, etc.

USB

Dual

UART

USB

mini-AB

eSDHC SD card

System Clock

and USB Clock

128 Mbyte

DDR2

8 Mbyte

32-Bit DDR2

Bus

32 Mbyte

8/16-Bit Local

Bus

C Bus

Real-Time

Clock

Thermal

Sensor

GPIO

Header/

JTAG/COP

Header JTAG/COP

Power Supply

Header/

EEPROM

RGMII

IEEE1588 Test points

Clocks

PCIe

mini PCI

Express

Connector

Test points

SPI

Header

Vitesse

L2 Switch NAND Flash

NOR Flash

PowerQUICC™ MPC8308_RDB User’s Guide, Rev. 3

Micetek International Inc. 5

MPC8308_RDB Hardware

1.2 Specifications

Table 1 lists the specifications of the MPC8308_RDB.

Table 1. MPC8308_RDB Specifications

Characteristics Specifications

Power requirements (without add-on card): Typical Maximum

12 V DC 0.5 A

5.0 V DC 1.5 A

Communication processor MPC8308 running @ 400 MHz

Addressing: Total address range

Flash memory (local bus)

DDR2 SDRAM

4 Gbyte (32 address lines)

8 Mbyte with one chip-select

128 Mbyte DDR2 SDRAM

Operating temperature 0

C to 70

Storage temperature –25

C to 85

Relative humidity 5% to 90% (noncondensing)

PCB dimensions:

Length

Width

Thickness

6693 mil

62 mil

PowerQUICC™ MPC8308_RDB User’s Guide, Rev. 3

6Micetek International Inc.

MPC8308_RDB Hardware

1.3 Mechanical Data

Figure 2 shows the MPC8308_RDB dimensions (in mil and [mm]). The board measures 170 mm ×170

mm (6693 mil × 6693 mil) for integration in a mini-ITX chassis.

Figure 2. Dimensions of the MPC8308_RDB

PowerQUICC™ MPC8308_RDB User’s Guide, Rev. 3

Micetek International Inc. 7

Board-Level Functions

2 Board-Level Functions

The board-level functions includes reset, external interrupts, clock distribution, DDR SDRAM controller,

local bus controller, I

C interfaces, SD memory card interface, USB interface, eTSEC1 and eTSEC2

10/100/1000 BaseT interface, dual RS-232 ports, PCI Express, and COP/JTAG.

2.1 Reset and Reset Configurations

The MPC8308_RDB reset module generates a single reset to the MPC8308 and other peripherals on the

board. The reset unit provides power-on reset, hard reset, and soft reset signals in compliance with the

MPC8308 hardware specification. Figure 3 shows the reset circuitry. Notice the following:

• PORESET (Power-on reset) is generated by the Micrel MIC811 device. When MR is deasserted

and 3.3 V is ready, the MIC811 internal timeout guarantees a minimum reset active time of 150 ms

before PORESET is deasserted. This circuitry guarantees a 150 ms PORESET pulse width after

3.3 V reaches the right voltage level, and this meets the specification of the PORESET input of

MPC8308. Push button reset interfaces the MR signal with debounce capability to produce a

manual master PORESET

• PORESET (Power-on reset) is optionally generated by the MC9S08 MCU device by monitoring

the 3.3V voltage level

• HRESET (Hard reset) is generated either by the MPC8308 or the COP/JTAG port.

• COP/JTAG port reset provides convenient hard-reset capability for a COP/JTAG controller. The

HRESET line is available at the COP/JTAG port connector. The COP/JTAG controller can directly

generate the hard-reset signal by asserting this line low. The arrangement shown in Figure 3 allows

the COP to independently assert HRESET or TRST, while ensuring that the MPC8308 can drive

HRESET as well.

PowerQUICC™ MPC8308_RDB User’s Guide, Rev. 3

8Micetek International Inc.

Board-Level Functions

Figure 3. Reset Circuitry of the MPC8308

2.2 External Interrupts

Figure 4 shows the external interrupt circuitry to the MPC8308.

Figure 4. MPC8308 Interrupt Circuitry

Following are descriptions of the interrupt signals shown in Figure 4:

MIC811

Push Button

GND

COP_HRESET

COP_TRST

PORESET

NAND FLASH

mini-PCIe

MPC8308_HRESET

Vitesse VSC7385

MC9S08

Optional MCU PORESET

RTL8211B PHYs

COP

MPC8308_TRST

MPC8308_PORESET

MPC8308

TSEC1_IRQ

(RTC_IRQ)

USB_IRQ

L2_IRQ0

L2_IRQ1

THERM_IRQ

IRQ1

IRQ3

IRQ4

(MCU_IRQ)

IRQ0

PowerQUICC™ MPC8308_RDB User’s Guide, Rev. 3

Micetek International Inc. 9

Board-Level Functions

• All external interrupt signals are pulled up by 4.7 K resistors.

• MCU interrupt (MCU_IRQ), RTC interrupt (RTC_IRQ) and Thermal interrupt (THERM_IRQ).

The MCU and DS1339 RTC interrupts are ANDed the thermal interrupt. However, MCU interrupt

is the main function for this IRQ pin. RTC and thermal interrupt are optional so they are

disconnected from the AND gate by default.

• PHY interrupt (TSEC1_IRQ). The RTL8211B GBE PHY interrupt is connected to IRQ1 of the

MPC8308. Therefore, the system software can detect the status of the Ethernet link and the PHY

internal status.

• USB over current (USB_IRQ). The USB power supply have an over current detection circuit and

generate an interrupt when the current limit reaches (2A) or a thermal shutdown or under voltage

lockout (UVLO) condition occurs. It is connected to IRQ3 of the MPC8308.

• L2 Switch (VSC7385) interrupt (L2_IRQ1, L2_IRQ0). The L2 Switch (VSC7385) has two IRQs

that are ANDed together to generate an interrupt to the MPC8308E via the IRQ4 signal.

PowerQUICC™ MPC8308_RDB User’s Guide, Rev. 3

10 Micetek International Inc.

Board-Level Functions

2.3 Clock Distribution

Figure 5 and Table 2 show the clock distribution on the MPC8308_RDB.

Figure 5. MPC8308_RDB Clock Scheme

MPC8308

DDR2 SDRAM

CLK

LCLKx

MCK1

MCK2

133 MHz

local bus

DLL

DDR

DLL

33.333 MHz

OSC

CLKIN

System

PLL

125MHz

OSC

TSEC2_GTX_CLK125

PCIE

CLK GEN

25MHz

OSC

SD_REF_CLK

SD_REF_CLK#

mini PCIe

Slot

PCIe/

Serdes

eTSEC2

ULPI USB

GND GND

24 MHz

Crystal

PHY

RTL8211B

GBE PHY

GND GND

25 MHz

Crystal

VSC7385

50MHz

VCXO

IEEE1588

DS1339

RTC

GND

32.768 kHz

Crystal

MC9S08

MCU

GND GND

32.768 kHz

Crystal

GND

Not use

125MHz

OSC

TSEC1_GTX_CLK125 eTSEC1

dotted line is optional which might not

be available

L2 Switch

25MHz

OSC

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