EP9307-CRZ Cirrus Logic Inc, EP9307-CRZ Datasheet - Page 71

IC ARM9 SOC ARM920T 272TFBGA

EP9307-CRZ

Manufacturer Part Number
EP9307-CRZ
Description
IC ARM9 SOC ARM920T 272TFBGA
Manufacturer
Cirrus Logic Inc
Series
EP9r
Datasheets

Specifications of EP9307-CRZ

Core Size
16/32-Bit
Core Processor
ARM9
Speed
200MHz
Connectivity
EBI/EMI, Ethernet, I²C, IrDA, Keypad/Touchscreen, SPI, UART/USART, USB
Peripherals
AC'97, DMA, I&sup2:S, LCD, LED, MaverickKey, POR, PWM, WDT
Number Of I /o
14
Program Memory Type
ROMless
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 3.6 V
Data Converters
A/D 8x12b
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
272-TFBGA
Controller Family/series
(ARM9)
No. Of I/o's
14
Ram Memory Size
32MB
Cpu Speed
200MHz
No. Of Timers
4
No. Of Pwm Channels
1
Digital Ic Case Style
TFBGA
Embedded Interface Type
AC97, I2S, SPI, UART, USB
Rohs Compliant
Yes
Processor Series
EP93xx
Core
ARM920T
Data Bus Width
32 bit
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
EDB9307A-Z
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
598-1133 - KIT DEVELOPMENT EP9307 ARM9
Eeprom Size
-
Program Memory Size
-
Lead Free Status / Rohs Status
 Details
Other names
598-1138

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DS785UM1
3.1.1 Features
3.1.2 Operational Overview
3.1 Introduction
The MaverickCrunch co-processor accelerates IEEE-754 floating point arithmetic and 32-bit
and 64-bit fixed point arithmetic operations. It provides an integer multiply-accumulate (MAC)
that is considerably faster than the native MAC implementation in the ARM920T. The
MaverickCrunch co-processor significantly accelerates the arithmetic processing required to
encode/decode digital audio formats.
The MaverickCrunch co-processor uses the standard ARM920T co-processor interface,
sharing its memory interface and instruction stream. All MaverickCrunch operations are
simply ARM920T co-processor instructions. The co-processor handles all internal inter-
instruction dependencies by using internal data forwarding and inserting wait states.
Key features include:
The MaverickCrunch co-processor is a true ARM920T co-processor. It communicates with
the ARM920T via the co-processor bus and shares the instruction stream and memory
interface of the ARM920T. It runs at the ARM920T core clock frequency (either FCLK or
BCLK).
The co-processor supports four primary data formats:
Note:This chapter applies only to the EP9302, EP9307, EP9312, and EP9315 processors.
• IEEE-754 single and double precision floating point
• 32/64-bit integer
• Add/multiply/compare
• Integer Multiply-Accumulate (MAC) 32-bit input with 72-bit accumulate
• Integer Shifts
• Floating point to/from integer conversion
• Sixteen 64-bit registers
• Four 72-bit accumulators
Copyright 2007 Cirrus Logic
3MaverickCrunch Co-Processor
Chapter 3
3-1
3

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