EP9307-CRZ Cirrus Logic Inc, EP9307-CRZ Datasheet - Page 74
EP9307-CRZ
Manufacturer Part Number
EP9307-CRZ
Description
IC ARM9 SOC ARM920T 272TFBGA
Manufacturer
Cirrus Logic Inc
Series
EP9r
Datasheets
1.EP9307-CRZ.pdf
(16 pages)
2.EP9307-CRZ.pdf
(50 pages)
3.EP9307-CRZ.pdf
(824 pages)
4.EP9307-CRZ.pdf
(48 pages)
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, I²: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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
EP9307-CRZ
Manufacturer:
CIRRUS
Quantity:
20 000
Part Number:
EP9307-CRZ/E2
Manufacturer:
CIRRUS
Quantity:
20 000
Company:
Part Number:
EP9307-CRZR
Manufacturer:
Cirrus Logic Inc
Quantity:
10 000
- EP9307-CRZ PDF datasheet
- EP9307-CRZ PDF datasheet #2
- EP9307-CRZ PDF datasheet #3
- EP9307-CRZ PDF datasheet #4
- Current page: 74 of 824
- Download datasheet (13Mb)
3
3-4
MaverickCrunch Co-Processor
EP93xx User’s Guide
3.1.5 Integer Saturation Arithmetic
A double precision value requires all 64 bits:
A 32-bit integer is stored in the lower 32 bits of a 64-bit register and sign-extended when
written, provided the UI bit in the DSPSC is clear:
Hence, 32-bit integers may be used directly in calculations with 64-bit integers, which are
stored as:
By default, the co-processor treats all 32-bit and 64-bit integers as signed values and
automatically saturates the results of most integer operations and all conversions from
floating-point to integer format. Instructions that may saturate their results are:
This behavior, however, can be altered by setting the UI bit and the ISAT bit in the DSPSC.
With the UI bit clear (the default), 32-bit and 64-bit integer operations are treated as signed
with respect to overflow and underflow detection and saturation as well as compare
operations. Setting the UI bit causes the MaverickCrunch co-processor to treat all 32-bit and
64-bit integer operations as unsigned with respect to overflow, underflow, saturation, and
comparison.
• CFADD32 and CFADD64
• CFSUB32 and CFSUB64
• CFMUL32 and CFMUL64
• CFMAC32 and CFMSC32
• CFCVTS32 and CFCVTD32
• CFTRUNCS32 and CFTRUNCD32
Opcode
Opcode
Opcode
Sign
63
Sign
63
63
62
62
Exponent
Sign Extension
Copyright 2007 Cirrus Logic
52 51
32 31
Data
Sign
Significand
30
Data
DS785UM1
0
0
0
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