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EP7311-CB-C

Description
32-BIT, 74 MHz, RISC MICROCONTROLLER, PQFP208
CategoryThe embedded processor and controller    Microcontrollers and processors   
File Size931KB,54 Pages
ManufacturerCirrus Logic
Websitehttp://www.cirrus.com
Download Datasheet Parametric View All

EP7311-CB-C Overview

32-BIT, 74 MHz, RISC MICROCONTROLLER, PQFP208

EP7311-CB-C Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerCirrus Logic
Parts packaging codeBGA
package instructionBGA,
Contacts256
Reach Compliance Codecompli
Has ADCYES
Address bus width28
bit size32
maximum clock frequency13 MHz
DAC channelNO
DMA channelNO
External data bus width32
JESD-30 codeS-PBGA-B256
JESD-609 codee0
length17 mm
Number of I/O lines27
Number of terminals256
Maximum operating temperature70 °C
Minimum operating temperature
PWM channelYES
Package body materialPLASTIC/EPOXY
encapsulated codeBGA
Package shapeSQUARE
Package formGRID ARRAY
Peak Reflow Temperature (Celsius)225
Certification statusNot Qualified
Maximum seat height1.8 mm
speed74 MHz
Maximum supply voltage2.7 V
Minimum supply voltage2.3 V
Nominal supply voltage2.5 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formBALL
Terminal pitch1 mm
Terminal locationBOTTOM
Maximum time at peak reflow temperature30
width17 mm
uPs/uCs/peripheral integrated circuit typeMICROCONTROLLER, RISC
EP7311 Data Sheet
FEATURES
I
ARM720T Processor
— ARM7TDMI CPU
— 8 KB of four-way set-associative cache
— MMU with 64-entry TLB
— Thumb code support enabled
I
Ultra low power
— 90 mW at 74 MHz typical
— 30 mW at 18 MHz typical
— 10 mW in the Idle State
— <1 mW in the Standby State
I
48 KB of on-chip SRAM
I
MaverickKey™ IDs
— 32-bit unique ID can be used for SDMI compliance
— 128-bit random ID
I
Dynamically programmable clock speeds of
18, 36, 49, and 74 MHz
High-Performance,
Low-Power System on Chip with
SDRAM and Enhanced Digital
Audio Interface
OVERVIEW
The Maverick™ EP7311 is designed for ultra-low-power
applications such as PDAs, smart cellular phones, and
industrial hand held information appliances. The core-
logic functionality of the device is built around an
ARM720T processor with 8 KB of four-way set-
associative unified cache and a write buffer. Incorporated
into the ARM720T is an enhanced memory management
unit (MMU) which allows for support of sophisticated
operating systems like Linux
®
.
(cont.)
(cont.)
BLOCK DIAGRAM
Multimedia
Codec Port
Power
Management
EPB Bus
Clocks &
Timers
ARM720T
USER INTERFACE
ICE-JTAG
ARM7TDMI CPU Core
Interrupts,
PWM & GPIO
SERIAL PORTS
Serial
Interface
(2) UARTs
w/ IrDA
Internal Data Bus
8 KB
Cache
Boot
ROM
Write
Buffer
Bus
Bridge
MMU
Keypad&
Touch
Screen I/F
Memory Controller
MaverickKey
TM
SRAM I/F
SDRAM I/F
On-chip SRAM
48 KB
LCD
Controller
MEMORY AND STORAGE
Copyright Cirrus Logic, Inc. 2003
(All Rights Reserved)
http://www.cirrus.com
©
Nov ’03
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