EP9301-CQ Cirrus Logic Inc, EP9301-CQ Datasheet - Page 51
![IC ARM920T MCU 166MHZ 208-LQFP](/photos/12/23/122383/mfg_ep9301_parts_sml.jpg)
EP9301-CQ
Manufacturer Part Number
EP9301-CQ
Description
IC ARM920T MCU 166MHZ 208-LQFP
Manufacturer
Cirrus Logic Inc
Series
EP9r
Datasheets
1.EDB9301.pdf
(5 pages)
2.EDB9301.pdf
(4 pages)
3.EP9307-CRZ.pdf
(824 pages)
4.EP9301-IQ.pdf
(41 pages)
Specifications of EP9301-CQ
Core Processor
ARM9
Core Size
16/32-Bit
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
0°C ~ 70°C
Package / Case
208-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Other names
598-1248
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP9301-CQZ
Manufacturer:
CIRRUS
Quantity:
3 390
Part Number:
EP9301-CQZ
Manufacturer:
CIRRUSLOGIC
Quantity:
20 000
Company:
Part Number:
EP9301-CQZR
Manufacturer:
Cirrus Logic Inc
Quantity:
10 000
- EDB9301 PDF datasheet
- EDB9301 PDF datasheet #2
- EP9307-CRZ PDF datasheet #3
- EP9301-IQ PDF datasheet #4
- Current page: 51 of 824
- Download datasheet (13Mb)
DS785UM1
2.3.3 APB Slave
2.3.4 Register Definitions
An APB Slave responds to accesses initiated by bus masters. The slave uses signals from
the decoder to determine when it should respond to a bus access. All other signals required
for the access, such as the address and control information, are generated by the AHB-to-
APB Bridge.
The ARM920T Core has thirty seven 32-bit internal registers, where some are modal and
some are banked. If operating in Thumb instructions state, the ARM Core must switch to
ARM instructions state before taking an exception. The return instruction will restore the ARM
Core to the Thumb state. Most tasks are executed out of User mode. The ARM920T Core’s
operating modes are shown in
Table 2-5
will bank or store a specific number of registers. Banked register information is not shared
between modes. FIQs bank the largest number of registers, and increase performance by
reducing the need to push/pop registers from the stack.
Note: Due to decoding optimization, the APB peripheral registers are aliased throughout each
peripherals register bank. Do not attemp to access an unspecified register within the bank.
illustrates the use of all registers for the ARM920T Core’s operating modes. Each
Supervisor
System
Mode
Abort:
Undef
User
IRQ
FIQ
Table 2-4. ARM920T Core Operating Modes
Copyright 2007 Cirrus Logic
Table
2-4.
Unprivileged normal operating mode
Fast interrupt (high priority) mode when FIQ is
asserted
Interrupt request (normal) mode when IRQ is
asserted
Software interrupt instruction (SWI) or reset will
cause entry into this mode.
Memory access violation will cause entry into this
mode.
Undefined instructions mode
Privileged mode. Uses same registers as User
mode
ARM920T Core and Advanced High-Speed Bus (AHB)
Description
EP93xx User’s Guide
2-13
2
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