EP9301-IQZ Cirrus Logic Inc, EP9301-IQZ Datasheet - Page 45
![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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- Download datasheet (13Mb)
DS785UM1
2.2.6 AHB Implementation Details
Peripherals or the external memory interface that have high bandwidth and low latency
requirements are connected to the CPU using the AHB bus. The peripherals include the
Vectored Interrupt Controllers (VIC1, VIC2), DMA, LCD/Raster registers, USB host, IDE,
Ethernet MAC and the bridge to the APB interface. The AHB/APB Bridge transparently
converts the AHB accesses into the slower speed APB accesses. All of the control registers
for the APB peripherals are programmed using the AHB/APB bridge interface. The main AHB
data and address lines are configured using a multiplexed bus. This removes the need for
three state buffers and bus holders, and simplifies bus arbitration.
shows the main data paths in the processor’s AHB implementation.
• Latched address and control
• A simple Interface to on-chip peripherals such as UARTs and AC’97.
In te rfa c e
E x te rn a l
M e m o ry
Figure 2-2. Typical AMBA AHB System
Copyright 2007 Cirrus Logic
A R M 9 T D M I
C o n tro lle r
A H B
D M A
ARM920T Core and Advanced High-Speed Bus (AHB)
P ro c e s s o
USB
C o -
r
A H B /
A P B
B
d
g
e
r
i
Figure 2-3 on page 2-8
A P B
U A R T
G P IO
EP93xx User’s Guide
A C 9 7
S P I
2-7
2
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