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參數(shù)資料
| 型號： | EP7311-CR-C |
| 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 SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE |
| 中文描述： | 32-BIT, 74 MHz, RISC MICROCONTROLLER, PBGA204 |
| 封裝： | 13 X 13 MM, 0.65 MM PITCH, TFBGA-204 |
| 文件頁數(shù)： | 4/54頁 |
| 文件大?。?/td> | 1533K |
| 代理商： | EP7311-CR-C |
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4
Copyright Cirrus Logic, Inc. 2003
(All Rights Reserved)
DS506PP1
EP7311
High-Performance, Low-Power System on Chip
The second is the programmable 16- or 32-bit-wide
SDRAM interface that allows direct connection of up to
two banks of SDRAM, totaling 512 Mb. To assure the
lowest
possible
power
consumption,
supports self-refresh SDRAMs, which are placed in a
low-power state by the device when it enters the low-
power Standby State.
the
EP7311
Note:
1. Pins A[27:13] map to DRA[0:14] respectively.
(i.e. A[27}/DRA[0}, A[26}/DRA[1], etc.) This is to
balance the load for large memory systems.
2. Pins are multiplexed. See
Table S on page 8
for
more information.
Digital Audio Capability
The EP7311 uses its powerful 32-bit RISC processing
engine to implement audio decompression algorithms in
software. Thenatureof theon-board RISC processor, and
the availability
of efficient C-compilers and
softwaredevelopment tools, ensures that a widerangeof
audio decompression algorithms can easily be ported to
and run on theEP7311
other
Universal Asynchronous
Receiver/Transmitters (UARTs)
The EP7311 includes two 16550-type UARTs for RS-232
serial communications, both of which have two 16-byte
FIFOs for receiving and transmitting data. The UARTs
support bit rates up to 115.2 kbps. An IrDA SIR protocol
encoder/ decoder can be optionally switched into the
RX/ TX signals to/ from UART 1 to enable these signals
to drivean infrared communication interfacedirectly.
Multimedia Codec Port (MCP)
The Multimedia Codec Port provides access to an audio
codec, a telecom codec, a touchscreen interface, four
general purpose analog-to-digital converter inputs, and
ten programmable digital I/ O lines.
Note:
See
Table R on page 8
for information on pin
multiplexes.
Pin Mnemonic
I/O
Pin Description
SDCLK
O
SDRAM clock output
SDCKE
O
SDRAM clock enable output
nSDCS[1:0]
O
SDRAM chip select out
WRITE/nSDRAS
(Note 2)
O
SDRAM RAS signal output
nMOE/nSDCAS
(Note 2)
O
SDRAM CAS control signal
nMWE/nSDWE
(Note 2)
O
SDRAM write enable control
signal
A[27:15]/DRA[0:12]
(Note 1)
O
SDRAM address
A[14:13]/DRA[12:14]
O
SDRAM internal bank select
PD[7:6]/SDQM[1:0]
(Note 2)
I/O
SDRAM byte lane mask
SDQM[3:2]
O
SDRAM byte lane mask
D[31:0]
I/O
Data I/O
Table C. SDRAM Interface Pin Assignments
Pin Mnemonic
I/O
Pin Description
TXD[1]
O
UART 1 transmit
RXD[1]
I
UART 1 receive
CTS
I
UART 1 clear to send
DCD
I
UART 1 data carrier detect
DSR
I
UART 1 data set ready
TXD[2]
O
UART 2 transmit
RXD[2]
I
UART 2 receive
LEDDRV
O
Infrared LED drive output
PHDIN
I
Photo diode input
Table D. Universal Asynchronous Receiver/Transmitters Pin
Assignments
Pin Mnemonic
I/O
Pin Description
SIBCLK
O
Serial bit clock
SIBDOUT
O
Serial data out
SIBDIN
I
Serial data in
SIBSYNC
O
Sample clock
Table E. MCP Interface Pin Assignments
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| EP7311 | HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE |
| EP7311-CV-C | HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE |
| EP7311-EB-C | HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE |
| EP7311-ER-C | HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE |
| EP7311-EV-C | HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EP7311-CV | 功能描述:IC ARM720T MCU 74MHZ 208-LQFP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:EP7 標準包裝:1,500 系列:AVR® ATtiny 核心處理器:AVR 芯體尺寸:8-位 速度:16MHz 連通性:I²C，LIN，SPI，UART/USART，USI 外圍設(shè)備:欠壓檢測/復位，POR，PWM，溫度傳感器，WDT 輸入/輸出數(shù):16 程序存儲器容量:8KB（4K x 16） 程序存儲器類型:閃存 EEPROM 大小:512 x 8 RAM 容量:512 x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 11x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:20-SOIC（0.295"，7.50mm 寬） 包裝:帶卷 (TR) |
| EP7311-CV-90 | 功能描述:音頻片上系統(tǒng) - SoC IC Ultra Lw Pwr Hi Perf SOC w/LCD RoHS:否 制造商:Cirrus Logic |
| EP7311-CV-C | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE |
| EP7311-EB-C | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE |
| EP7311-ER-C | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE |
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