EP9301-IQZ Cirrus Logic Inc, EP9301-IQZ Datasheet - Page 40
![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
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2
2-2
ARM920T Core and Advanced High-Speed Bus (AHB)
EP93xx User’s Guide
2.2.2 Block Diagram
2.2.3 Operations
The ARM920T core follows a Harvard architecture and consists of an ARM9TDMI core,
MMU, instruction and data cache. The core supports both the 32-bit ARM and 16-bit Thumb
instruction sets.
The internal bus structure (AMBA) includes both a high speed and low speed bus. The high
speed bus AHB (Advanced High-performance Bus) contains a high speed internal bus clock
to synchronize co-processor, MMU, cache, DMA controller, and memory modules. AMBA
includes a AHB/APB bridge to the lower speed APB (Advanced Peripheral Bus). The APB
bus connects to lower speed peripheral devices such as UARTs and GPIOs.
The MMU provides memory address translation for all memory and peripherals designed to
remap memory devices and peripheral address locations. Sections, large, small and tiny
pages are programmable to map memory in 1 Mbyte, 64 kbyte, 4 kbyte, 1 kbyte size blocks.
To increase system performance, a 64-entry translation look-aside buffer will cache 64
address locations before a TLB miss occurs.
Interface
External
Co-Proc
JTAG
Data cache
R13
Processor core
EmbeddedICE)
ARM9TDMI
(Integral
Instruction
R13
cache
Figure 2-1. ARM920T Block Diagram
Copyright 2007 Cirrus Logic
Data MMU
Instruction
MMU
CP15
Write Back
PA TAG
RAM
Buffer
Write
AMBA
Bus
Int.
APB
DS785UM1
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