EP9312-CB Cirrus Logic Inc, EP9312-CB Datasheet - Page 71
![System-on-Chip Processor](/photos/12/23/122390/mfg_ep9312_series_sml.jpg)
EP9312-CB
Manufacturer Part Number
EP9312-CB
Description
System-on-Chip Processor
Manufacturer
Cirrus Logic Inc
Series
EP9r
Datasheets
1.EP9307-CRZ.pdf
(824 pages)
2.EP9312-IBZ.pdf
(4 pages)
3.EP9312-CB.pdf
(62 pages)
4.EP9312-CB.pdf
(17 pages)
Specifications of EP9312-CB
Peak Reflow Compatible (260 C)
No
A/d Converter
12 Bits
Leaded Process Compatible
No
No. Of I/o Pins
65
Package / Case
352-BGA
Core Processor
ARM9
Core Size
16/32-Bit
Speed
200MHz
Connectivity
EBI/EMI, EIDE, Ethernet, I²C, IrDA, Keypad/Touchscreen, SPI, UART/USART, USB
Peripherals
AC'97, DMA, I²:S, LCD, LED, MaverickKey, POR, PWM, WDT
Number Of I /o
16
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
Processor Series
EP93xx
Core
ARM920T
Data Bus Width
32 bit
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Lead Free Status / Rohs Status
No
Other names
598-1257
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
EP9312-CB
Manufacturer:
CIRRUS
Quantity:
20 000
- EP9307-CRZ PDF datasheet
- EP9312-IBZ PDF datasheet #2
- EP9312-CB PDF datasheet #3
- EP9312-CB PDF datasheet #4
- Current page: 71 of 824
- Download datasheet (13Mb)
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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