Freescale Semiconductor M9328MX21ADSE 2.3 Operation

Configuration and Operation

M9328MX21ADSE User’s Manual, Rev. A

2-4 Freescale Semiconductor

2.3 Operation

This section describes how the system functions and how to use the boards.

2.3.1 Functional Block Diagram

Figure 2-3 shows the functional interconnections of the ADS in a block diagram format.

Figure 2-3. Functional Block Diagram of M9328MX21ADSE

2.3.2 On-Board Memory

Figure 2-4 and Figure 2-5 show the on-board memory interface. The M9328MX21ADSE is equipped with

8M x 32-bit Burst Flash and 16M x 32-bit SDRAM. The chip selects CS0 and CS2 (CSD0) are used for

Burst Flash and SDRAM chip selects, respectively.

i.MX21

SDRAM

Burst Flash

Transceiver

CPU Board

High Speed

Connectors

Base board connectors

Addr/Data bus

Addr/Data bus

IO pins

Ethernet

port

USB series

mini-AB

connector

UART1,

UART2 &

IrDA

Ext.

UART

LEDs & Buzzer

Boot mode,

UARTs, IrDA

selection

1-wire Interface

Silicon & Board

revision register

S/W readable

DIP switches

Audio

CODEC

UART

controller

Ethernet

controller

USB OTG

Transceiver

IO pins, PWM

OWIRE

Peripheral signal s CSI signals MMC/SD signals

LCDC

USBOTG signalsAddr/Data BusAddr/Data Bus

UART signals

Decoder & Chip

select logic

Addr/Data Bus

SSI

Base Board

Power Connector,

Power Switch & fuse

3V regulator, CPU

Reset signal

LCD

connector

Battery Level

Measurement

Emulation

Touch screen

controller LCD panel

(240x320 pixels) & Touch

screen

White

LED

driver

LCD Board

TFT LCD DC-

DC converter

Keypad

Connector

Keypad Board

KPP

NAND Flash

Connector

Multi-ICE

connector

NFC signals

TV

Encoder

connector

I2C

Line In

Speaker

Out

Mic In

MMC/SD

connector

Image sensor

connector

Expansion

Connector 1

Expansion

Connector 2

Peripheral signal s

2.5V, 1.8V and

1.5V regulators

Contents

Main Page Chapter 1 General Information Chapter 2 Configuration and Operation Chapter 3 Support Information Page Page Definitions, Acronyms, and Abbreviations Chapter 1 General Information 1.1 Description 1.2 M9328MX21ADSE Features 1.3 System and User Requirements 1.4 M9328MX21ADSE Diagram General Information CPU BOARDBASE BOARD M9328MX21ADSE Users Manual, Rev. A Freescale Semiconductor 1-3 Figure 1-1. M9328MX21ADSE Application Development System 1.5 ADS Specifications Chapter 2 Configuration and Operation 2.1 Introduction 2.2 Configuring Board Components Table2-1. Component Configuration Settings 2.2.1 Peripheral Selection Switch (S1) Table2-2. S1 Switch Settings Table2-1. Component Configuration Settings (continued) Figure 2-1. Switch S1 S1 2.2.2 Mode/User Switch (S2) Figure 2-2. Switch S2 Table2-3. Boot Mode Switch Settings 2-4 Freescale Semiconductor 2.3 Operation Keypad Board i.MX21 This section describes how the system functions and how to use the boards. 2.3.1 Functional Block Diagram 2.3.3 Memory Map 2.3.4 USB On-The-Go Interface 2.3.5 UART and IrDA Freescale Semiconductor 2-7 Figure 2-7. UARTs and IrDA Interface 2.3.6 Ethernet Buffer UART1 DCE DTE 2.3.7 Touchscreen ADC Figure 2-9. ADC Interface 2.3.8 CD Quality CODEC The WM8731SEDS data sheet is available at http://www.wolfsonmicro.com/ 2.3.9 Keypad Table2-5. Audio Connectors Table2-6. Keypad Layout and Connections 2.3.10 Memory Mapped I/O 2.3.10.1 Input I/O Table2-7. Input Buffer Signals 2.3.10.2 Output I/O Table2-8. Output Latch Functions 2.3.11 Audio Indicator (Buzzer) 2.3.12 LED Indicators 2.4 Using The Board Connectors 2.5 Add-On Module Connections and Usage Table2-10. M9328MX21ADSE Connectors (continued) 2-14 Freescale Semiconductor CPU BOARDBASE BOARD CPU BOARDBASE BOARD Figure 2-10. Installation of the Main Boards Figure 2-11. Installation of the PCMCIA Daughter Card LCD BOARD RIBBON CABLE 20 CONDUCTOR RIBBON CABLE 2.5.1 Using the TFT LCD Display Panel TV ENCODER CARD 2.5.2 Using the Keypad 2.5.3 Using a NAND Flash Card 2.5.4 Using a SD/MMC Card 2.5.5 Using Image Sensor Daughter Card 2.5.6 Using the PCMCIA Daughter Card 2.5.7 Using the TV Encoder Card Page Chapter 3 Support Information 3.1 Introduction 3.2 CPU to Base Board Connectors PX1, PX2, PY1, and PY2 Figure 3-1. CPU to Base Board PX1/PY1 Connector Pin Assignments 3-2 Freescale Semiconductor PX1 Table3-1. CPU to Base Board PX1/PY1 Connector Signals Page Page Page Figure 3-2. CPU to Base Board PX2/PY2 Connector Pin Assignments Freescale Semiconductor 3-7 PX2 Table3-2. CPU to Base Board PX2/PY2 Connector Signals Page Page Page 3.3 CPU to Option Card Connectors Page Table3-3. CPU to Option Card PK1 Connector Signals Figure 3-4. CPU to Option Card PK2 Connector Pin Assignments Table3-4. CPU to Option Card PK2 Connector Signals Table3-4. CPU to Option Card PK2 Connector Signals (continued) 3.4 UART/RS-232 Connectors P1 1 3.4.1 UART1 Connector 2345 9876 3.4.2 UART4 Connector P2 5 4321 6789 3.4.3 External UART Connector 3.5 Multi-ICE Connector Table3-7. Connector P3 (EXT UART) DCE Signal Descriptions RXD TXD RI CTS RTS 2345 9876 3.6 Ethernet Connector Figure 3-9. Ethernet Connector P9 Pin Numbers Table3-8. Multi-ICE Connector P20 (on the CPU) Signal Descriptions Table3-9. Ethernet Connector P9 Signal Descriptions 3.7 USB OTG Connector Figure 3-11. NAND Flash Connector PM1 (on the CPU Board) Pin Assignments Figure 3-10. USB Connector P4 Pin Assignments 3.8 NAND Flash Connector Table3-10. USB OTG Connector P4 Signal Descriptions Figure 3-12. NAND Flash Connector PM2 (on the CPU) Pin Assignments Table3-11. NAND Flash Connector PM1 Signal Descriptions Table3-12. NAND Flash Connector PM2 Signal Descriptions 3.9 External Keypad Connector Figure 3-13. External Keypad Connector P5 Pin Assignments Table3-13. External Keypad Connector P5 Signal Descriptions 3.10 LCD Panel Connector Figure 3-14. LCD Panel Connector P7 Pin Assignments Table3-14. LCD Panel Connector P8 Signal Descriptions 3.11 TV Encoder Connector Figure 3-15. TV encoder Connector P13 Pin Assignments Table3-15. TV encoder Connector P13 Signal Descriptions Table3-14. LCD Panel Connector P8 Signal Descriptions (continued) 3.12 SD/MMC Connector 3.13 Extension and Image Sensor Connectors Figure 3-17. Connectors PE1, PE2, and PE3 Pin Numbering Table3-17. Image Sensor Connector PE1 Signal Description Table3-18. Extension Connector PE2 Signal Description Table3-18. Extension Connector PE2 Signal Description (continued) Table3-19. Extension Connector PE3 Signal Description 3.14 Disposal Information Table3-19. Extension Connector PE3 Signal Description (continued) Page Page How to Reach Us: