EP9307-CRZR Cirrus Logic Inc, EP9307-CRZR Datasheet - Page 45
![IC Universal Platform ARM9 SOC Prcessor](/photos/12/14/121421/ep9307-crz_sml.jpg)
EP9307-CRZR
Manufacturer Part Number
EP9307-CRZR
Description
IC Universal Platform ARM9 SOC Prcessor
Manufacturer
Cirrus Logic Inc
Series
EP9r
Specifications of EP9307-CRZR
Core Processor
ARM9
Core Size
16/32-Bit
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-LFBGA
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
Eeprom Size
-
Program Memory Size
-
Lead Free Status / Rohs Status
Details
Other names
Q5809834A
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP9307-CRZR
Manufacturer:
Cirrus Logic Inc
Quantity:
10 000
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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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