beautypg.com

Figure 1-4. ep9312 block diagram -4, Figure 1-5. ep9315 block diagram -4, Figure 1-4 – Cirrus Logic EP93xx User Manual

Page 32: Figure 1-5

background image

1-4

DS785UM1

Copyright 2007 Cirrus Logic

Introduction
EP93xx User’s Guide

1

1

1

Figure 1-4. EP9312 Block Diagram

Figure 1-5. EP9315 Block Diagram

8-Wire

Touchscreen ADC

8x8 Matrix Keypad

2 PWMs

Enhanced GPIO,

2-wire, 2 LED

I

2

S

SPI

AC’97

RTC with SW Trim

Watchdog Timer

4 Timers

System Control –

2 PLLs

UART1 with HDLC

18-bit Raster LCD

plus CCITT656

Video

SDRAM

SRAM, FLASH,

ROM

12 Channel DMA

1/10/100 Ethernet

MAC

JTAG

3 USB 2.0 FS Host

IDE

Boot ROM

UART2 with IrDA

UART3 with HDLC

MaverickCrunch

TM

Coprocessor

ARM920T

I-Cache

16 KB

D-Cache

16 KB

Memory Management Unit

AHB/APB Bridge

Vectored
Inerrupts

High-Speed Bus (AHB)

Peripheral Bus (APB)

8-Wire

Touchscreen ADC

8x8 Matrix Keypad

2 PWMs

Enhanced GPIO,

2-wire, 2 LED

I

2

S

SPI

AC’97

RTC with SW Trim

Watchdog Timer

4 Timers

System Control –

2 PLLs

UART1 with HDLC

18-bit Raster LCD

plus CCITT656

Video

SDRAM

SRAM, FLASH,

ROM, PCMCIA

12 Channel DMA

1/10/100 Ethernet

MAC

JTAG

3 USB 2.0 FS Host

2 IDE

Boot ROM

UART2 with IrDA

UART3 with HDLC

ARM920T

I-Cache

16 KB

D-Cache

16 KB

Memory Management Unit

AHB/APB Bridge

Vectored
Inerrupts

High-Speed Bus (AHB)

Peripheral Bus (APB)

MaverickCrunch

TM

Coprocessor

2D Graphics