EP9301-IQZ Cirrus Logic Inc, EP9301-IQZ Datasheet - Page 81
![32-Bit Microcontroller IC](/photos/12/23/122383/mfg_ep9301_parts_sml.jpg)
EP9301-IQZ
Manufacturer Part Number
EP9301-IQZ
Description
32-Bit Microcontroller IC
Manufacturer
Cirrus Logic Inc
Series
EP9r
Specifications of EP9301-IQZ
Controller Family/series
(ARM9)
Core Size
32 Bit
A/d Converter
12 Bits
Supply Voltage
3.3V
No. Of I/o Pins
24
Mounting Type
Surface Mount
Operating Temperature Min
-40°C
Package / Case
208-LQFP
Core Processor
ARM9
Speed
166MHz
Connectivity
EBI/EMI, Ethernet, I²C, IrDA, SPI, UART/USART, USB
Peripherals
AC'97, DMA, I²:S, LED, MaverickKey, POR, PWM, WDT
Number Of I /o
19
Program Memory Type
ROMless
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 3.6 V
Data Converters
A/D 5x12b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Processor Series
EP93xx
Core
ARM920T
Data Bus Width
32 bit
Mounting Style
SMD/SMT
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Lead Free Status / Rohs Status
Details
Other names
598-1250
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
- Current page: 81 of 824
- Download datasheet (13Mb)
DS785UM1
DAID:
HVID:
ISAT:
UI:
INT:
AEXC:
Copyright 2007 Cirrus Logic
MaverickCrunch Architecture ID. This read-only value is
i n c r e m e n t e d f o r e a c h r e v i s i o n o f t h e o v e r a l l
MaverickCrunch co-processor architecture. These bits are
“000” for this revision.
Hardware Version ID. This read-only value is incremented
each time the hardware implementation of the architecture
named by DAID[2:0] is changed, typically done in
response to bugs. These bits are “000” for this version.
Integer Saturate Enable. This bit controls whether non-
a cc um u la to r int eg e r op e ra tio ns , bo th sig n ed an d
unsigned, will saturate on overflow or underflow:
0 = Saturation enabled
1 = Saturation disabled
Unsigned Integer Enable. This bit controls whether non-
accumulator integer operations treat their operands as
signed or unsigned. It also determines the saturation value
if the ISAT bit is clear:
0 = Signed integers
1 = Unsigned integers
MaverickCrunch Interrupt. This bit indicates whether an
interrupt has occurred. This bit is identical to the external
interrupt signal:
0 = No interrupt signaled
1 = Interrupt signaled
Asynchronous Exception Enable. This bit determines
whether exceptions generated by the co-processor are
sign aled syn chron ou sly or asyn chro nou sly to the
ARM920T. Synchronous exceptions force all data path
instructions to be serialized and to stall the ARM920T. If
exceptions are asynchronous, they are signalled by
assertion of the DSPINT output of the co-processor, which
may interrupt the ARM920T via the interrupt controller.
Enabling asynchronous exceptions does provide a
performance improvement, but makes it difficult for an
interrupt handler to determine the co-processor instruction
that caused the exception because the address of the
i n s t r u c t i o n i s n o t p r e s e r v e d . E x c e p t i o n s m a y b e
individually enabled by other bits in this register (IXE, UFE,
OFE, and IOE). This bit has no effect if no exceptions are
enabled:
0 = Exceptions are synchronous
1 = Exceptions are asynchronous
MaverickCrunch Co-Processor
EP93xx User’s Guide
3-11
3
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