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參數(shù)資料
| 型號： | EP7212-CV-A |
| 廠商： | CIRRUS LOGIC INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH LCD CONTROLLER AND DIGITAL AUDIO INTERFACE(DAI) |
| 中文描述： | 32-BIT, MROM, 74 MHz, RISC MICROCONTROLLER, PQFP208 |
| 封裝： | LQFP-208 |
| 文件頁數(shù)： | 2/136頁 |
| 文件大?。?/td> | 2289K |
| 代理商： | EP7212-CV-A |
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EP7212
Low-Power System-on-Chip with LCD Controller and Digital Audio Interface
2
DS474PP1
OVERVIEW
(cont.)
The EP7212 also includes a 32-bit Y2K-compliant
realtime clock and comparator.
Power Management
The EP7212 is designed for ultra-low-power opera-
tion. 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 —
This state is the full performance
state. All the clocks and peripheral logic are
enabled.
Idle —
This state is the same as the Operating
State, except the CPU clock is halted while wait-
ing for an event such as a key press.
Standby —
This state is equivalent to the computer
being switched off (no display), and the main
oscillator shut down. An event such as a key
press can wake-up the processor.
Memory Interfaces
There are two main external memory interfaces.
The first one is the ROM / SRAM / FLASH-style inter-
face that has programmable wait-state timings and
includes burst-mode capability, with eight chip selects
decoding six 256-Mbyte sections of addressable
space. For maximum flexibility, each bank can be
specified to be 8, 16, or 32 bits wide. This allows the
use of 8-bit-wide boot ROM options to minimize over-
FEATURES
(cont.)
Advanced audio decoder / decompression
capability
— Allows for support of multiple audio decompression
algorithms
— Supports MPEG 1, 2, & 2.5 layer 3 audio decoding,
including ISO compliant MPEG 1 & 2 layer 3 support for
all standard sample rates and bit rates
— Supports bit streams with adaptive bit rates
— DAI (Digital Audio Interface) providing glueless interface
to low-power DACs, ADCs, and Codecs
LCD controller
— Interfaces directly to a single-scan panel monochrome
LCD
— Panel width size is programmable from 32 to 1024 pixels
in 16-pixel increments
— Video frame buffer size programmable up to
128 kbytes
— Bits per pixel of 1, 2, or 4 bits
DRAM controller
— Supports both 16- and 32-bit-wide DRAMs
— EDO support (Fast Page Mode support for 13 MHz and
18 MHz operation only)
Memory controller
— Decodes up to 6 separate memory segments of up to
256 Mbytes each
— Each segment can be configured as 8, 16, or 32 bits
wide and supports page-mode access
— Programmable access time for conventional ROM /
SRAM / FLASH memory
— Supports Removable FLASH card interface
— Enables connection to removable FLASH card for
addition of expansion FLASH memory modules
38,400 bytes (0x9600) of on-chip SRAM for fast
program execution and / or as a frame buffer
Synchronous serial interface
— ADC (SSI) Interface: Master mode only; SPI
and
Microwire1
-compatible (128 kbps operation)
On-chip ROM; for manufacturing support
27-bits of general-purpose I/O
— Three 8-bit and one 3-bit GPIO port
— Supports scanning keyboard matrix
Two UARTs (16550 type)
— Supports bit rates up to 115.2 kbps
— Contains two 16-byte FIFOs for TX and RX
— UART1 supports modem control signals
SIR (up to 115.2 kbps) infrared encoder / decoder
— IrDA (Infrared Data Association) SIR protocol encoder /
decoder
DC-to-DC converter interface (PWM)
— Provides two 96-kHz clock outputs with programmable
duty ratio (from 1-in-16 to 15-in-16) that can be used to
drive a DC to DC converter
Two timer counters
208-pin LQFP or new 256-ball PBGA packages
Evaluation kit available with BOM, schematics,
sample code, and design database
Support for up to two ultra-low-power CL-PS6700
PC Card controllers
Dedicated LED flasher pin from RTC
Full JTAG boundary scan and Embedded ICE
support
Commercial operating temperature range
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| EP7309 | HIGH PERFORMANCE LOW POWER SYSTEM ON CHIP ENHANCED DIGITAL AUDIO INTERFACE |
| EP7309-CB-C | CONN MODULAR JACK 8-8 R/A UNSHLD |
| EP7309-CR-C | HIGH PERFORMANCE LOW POWER SYSTEM ON CHIP ENHANCED DIGITAL AUDIO INTERFACE |
| EP7309-CV-C | HIGH PERFORMANCE LOW POWER SYSTEM ON CHIP ENHANCED DIGITAL AUDIO INTERFACE |
| EP7309-ER-C | HIGH PERFORMANCE LOW POWER SYSTEM ON CHIP ENHANCED DIGITAL AUDIO INTERFACE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EP7212-CV-D | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| EP7230 | 功能描述:電氣外殼配件 E-PANEL FITS 72 X 30 RoHS:否 制造商:Hammond Manufacturing 產(chǎn)品:Rack Accessories 類型: 面板寬度: 面板高度: 外部寬度: 外部高度: 外部深度: 顏色:Black |
| EP7236 | 功能描述:電氣外殼配件 E-PANEL FITS 72 X 36 RoHS:否 制造商:Hammond Manufacturing 產(chǎn)品:Rack Accessories 類型: 面板寬度: 面板高度: 外部寬度: 外部高度: 外部深度: 顏色:Black |
| EP7309 | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:HIGH PERFORMANCE LOW POWER SYSTEM ON CHIP ENHANCED DIGITAL AUDIO INTERFACE |
| EP7309_05 | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:High-performance, Low-power, System-on-chip with Enhanced Digital Audio Interface |
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