EP7309-CR Cirrus Logic Inc, EP7309-CR Datasheet - Page 3

• Manufacturer Part Number: EP7309-CR
• Description: 32-Bit Microcontroller IC
• Manufacturer: Cirrus Logic Inc

Specifications of EP7309-CR

• Controller Family/series: (ARM7)
• Core Size: 32 Bit
• No. Of Timers 8/12/16/32 Bits: 0 / 0 / 2 / 0
• Interface: SSI, UART
• Embedded Interface Type: SSI, UART
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Table of Contents
FEATURES
OVERVIEW
ELECTRICAL SPECIFICATIONS ......................................................................................................12
Timings ...............................................................................................................................................14
Packages ............................................................................................................................................24
DS507F1
Processor Core - ARM720T ..................................................................................................................................6
Power Management ..............................................................................................................................................6
MaverickKey™ Unique ID ......................................................................................................................................6
Memory Interfaces .................................................................................................................................................6
Digital Audio Capability .........................................................................................................................................6
Universal Asynchronous Receiver/Transmitters (UARTs) .....................................................................................6
Digital Audio Interface (DAI) ..................................................................................................................................7
CODEC Interface ..................................................................................................................................................7
SSI2 Interface ........................................................................................................................................................7
Synchronous Serial Interface ................................................................................................................................8
LCD Controller .......................................................................................................................................................8
Interrupt Controller ................................................................................................................................................8
Real-Time Clock ....................................................................................................................................................8
PLL and Clocking ..................................................................................................................................................9
DC-to-DC converter interface (PWM) ....................................................................................................................9
Timers ...................................................................................................................................................................9
General Purpose Input/Output (GPIO) ..................................................................................................................9
Hardware debug Interface .....................................................................................................................................9
Internal Boot ROM ...............................................................................................................................................10
Packaging ............................................................................................................................................................10
Pin Multiplexing ...................................................................................................................................................10
System Design ....................................................................................................................................................11
Absolute Maximum Ratings .................................................................................................................................12
Recommended Operating Conditions .................................................................................................................12
DC Characteristics ..............................................................................................................................................12
Static Memory .....................................................................................................................................................15
SSI1 Interface ......................................................................................................................................................20
SSI2 Interface ......................................................................................................................................................21
LCD Interface ......................................................................................................................................................22
JTAG Interface .....................................................................................................................................................23
208-Pin LQFP Package Characteristics ..............................................................................................................24
204-Ball TFBGA Package Characteristics ...........................................................................................................29
Timing Diagram Conventions ....................................................................................................................14
Timing Conditions ......................................................................................................................................14
Static Memory Single Read Cycle .............................................................................................................16
Static Memory Single Write Cycle .............................................................................................................17
Static Memory Burst Read Cycle ...............................................................................................................18
Static Memory Burst Write Cycle ...............................................................................................................19
208-Pin LQFP Package Specifications ......................................................................................................24
208-Pin LQFP Pin Diagram .......................................................................................................................25
208-Pin LQFP Numeric Pin Listing ............................................................................................................26
204-Ball TFBGA Package Specifications ..................................................................................................29
204-Ball TFBGA Pinout (Top View) ...........................................................................................................30
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Copyright Cirrus Logic, Inc. 2005
(All Rights Reserved)
High-Performance, Low-Power System on Chip
EP7309
3