EP7311 Datasheet, PDF (2/54 Pages) Cirrus Logic – HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE

EP7311
High-Performance, Low-Power System on Chip
FEATURES (cont)
I LCD controller
— Interfaces directly to a single-scan panel
monochrome STN LCD
— Interfaces to a single-scan panel color STN LCD
with minimal external glue logic
I Full JTAG boundary scan and Embedded ICE^®
support
I Integrated Peripheral Interfaces
— 32-bit SDRAM Interface up to 2 external banks
— 8/32/16-bit SRAM/FLASH/ROM Interface
— Multimedia Codec Port
— Two Synchronous Serial Interfaces (SSI1, SSI2)
— CODEC Sound Interface
— 8×8 Keypad Scanner
— 27 General Purpose Input/Output pins
— Dedicated LED flasher pin from the RTC
I Internal Peripherals
— Two 16550 compatible UARTs
— IrDA Interface
— Two PWM Interfaces
— Real-time Clock
— Two general purpose 16-bit timers
— Interrupt Controller
— Boot ROM
I Package
— 208-Pin LQFP
— 256-Ball PBGA
— 204-Ball TFBGA
I The fully static EP7311 is optimized for low power
dissipation and is fabricated on a 0.25 micron CMOS
process
I Development Kits
— EDB7312: Development Kit with color STN LCD
on board.
— EDB7312-LW: EDB7312 with Lynuxworks’
BlueCat Linux Tools and software for Windows
host (free 30 day BlueCat support from
Lynuxworks).
— EDB7312-LL: EDB7312 with Lynuxworks’ BlueCat
Linux Tools and software for Linux host (free 30
day BlueCat support from Lynuxworks).
Note:
* BlueCat available separately through Lynuxworks
only.
* Use the EDB7312 Development Kit for all the EP73xx
devices.
OVERVIEW (cont.)
The EP7311 is designed for low-power operation. Its core
operates at only 2.5 V, while its I/O has an operation
range of 2.5 V–3.3 V. The device has three basic power
states: operating, idle and standby.
One of its notable features is MaverickKey unique IDs.
These are factory programmed IDs in response to the
growing concern over secure web content and commerce.
With Internet security playing an important role in the
delivery of digital media such as books or music,
traditional software methods are quickly becoming
unreliable. The MaverickKey unique IDs consist of two
registers, one 32-bit series register and one random 128-
bit register that may be used by an OEM for an
authentication mechanism.
Simply by adding desired memory and peripherals to the
highly integrated EP7311 completes a low-power system
solution. All necessary interface logic is integrated on-
chip.
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©Copyright Cirrus Logic, Inc. 2003
(All Rights Reserved)
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