EP9315-IBZ Cirrus Logic Inc, EP9315-IBZ Datasheet - Page 72
EP9315-IBZ
Manufacturer Part Number
EP9315-IBZ
Description
32-Bit Microcontroller IC
Manufacturer
Cirrus Logic Inc
Series
EP9r
Specifications of EP9315-IBZ
Controller Family/series
(ARM9)
Core Size
32 Bit
A/d Converter
12 Bits
Supply Voltage
3.3V
No. Of I/o Pins
65
Package / Case
352-PBGA
Clock Frequency
200MHz
Core Processor
ARM9
Speed
200MHz
Connectivity
EBI/EMI, EIDE, Ethernet, I²C, IrDA, Keypad/Touchscreen, PCMCIA, 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
-40°C ~ 85°C
Processor Series
EP93xx
Core
ARM920T
Data Bus Width
32 bit
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
EDB9315A-Z
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
598-1144 - KIT DEVELOPMENT EP9315 ARM9
Eeprom Size
-
Program Memory Size
-
Lead Free Status / Rohs Status
Details
Other names
598-1263
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP9315-IBZ
Manufacturer:
CIRRUS
Quantity:
13
Company:
Part Number:
EP9315-IBZ
Manufacturer:
CIRRUS
Quantity:
347
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- Download datasheet (13Mb)
3
3-2
MaverickCrunch Co-Processor
EP93xx User’s Guide
The co-processor performs the following standard operations on all four supported data
formats:
In addition, for 32-bit integers, the co-processor provides:
Any of the four data formats may be converted to another of the formats. All four data types
may be loaded directly from and stored directly to memory via the ARM920T co-processor
interface. They may also be moved to or from ARM920T registers.
The MaverickCrunch co-processor also provides a 72-bit extended precision integer format
that is used only in the accumulators. The accumulators may also be used in MAC and MSB
operations.
IEEE-754 rounding and exceptions are also provided. Four rounding modes for floating point
operations are:
Exceptions include:
• IEEE-754 single precision floating point (24-bit signed significand and 8-bit biased
• IEEE-754 double precision floating point (53-bit signed significand and 11-bit biased
• 32-bit integer
• 64-bit integer
• addition
• subtraction
• multiplication
• absolute value
• negation
• logical left/right shift
• comparison
• multiply-accumulate (MAC)
• multiply-subtract (MSB)
• round to nearest
• round toward
• round toward
• round toward 0
• Invalid operator
• Overflow
• Underflow
exponent)
exponent)
+
-
∞
∞
Copyright 2007 Cirrus Logic
DS785UM1
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