參數(shù)資料
型號: AT32UC3A0256AU-ALUT
廠商: Atmel
文件頁數(shù): 29/97頁
文件大?。?/td> 0K
描述: IC MCU 256K FLASH 144LQFP
產(chǎn)品培訓模塊: AVR UC3 Audio Application
MCU Product Line Introduction
AVR EVK1105 Digital Audio Gateway Kit
AVR® UC3 Introduction
標準包裝: 300
系列: AVR®32 UC3 A0 Audio
核心處理器: AVR
芯體尺寸: 32-位
速度: 66MHz
連通性: EBI/EMI,以太網(wǎng),I²C,SPI,SSC,UART/USART,USB OTG
外圍設(shè)備: 欠壓檢測/復位,POR,PWM,WDT
輸入/輸出數(shù): 109
程序存儲器容量: 256KB(256K x 8)
程序存儲器類型: 閃存
RAM 容量: 64K x 8
電壓 - 電源 (Vcc/Vdd): 1.65 V ~ 1.95 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 144-LQFP
包裝: 托盤
35
AT32UC3A
10.10 GPIO
The GPIO open drain feature (GPIO ODMER register (Open Drain Mode Enable Register)) is
not available for this device.
10.11 Peripheral overview
10.11.1
External Bus Interface
Optimized for Application Memory Space support
Integrates Two External Memory Controllers:
– Static Memory Controller
– SDRAM Controller
Optimized External Bus:
–16-bit Data Bus
– 24-bit Address Bus, Up to 16-Mbytes Addressable
– Optimized pin multiplexing to reduce latencies on External Memories
4 SRAM Chip Selects, 1SDRAM Chip Select:
– Static Memory Controller on NCS0
– SDRAM Controller or Static Memory Controller on NCS1
– Static Memory Controller on NCS2
– Static Memory Controller on NCS3
10.11.2
Static Memory Controller
4 Chip Selects Available
64-Mbyte Address Space per Chip Select
8-, 16-bit Data Bus
Word, Halfword, Byte Transfers
Byte Write or Byte Select Lines
Programmable Setup, Pulse And Hold Time for Read Signals per Chip Select
Programmable Setup, Pulse And Hold Time for Write Signals per Chip Select
Programmable Data Float Time per Chip Select
Compliant with LCD Module
External Wait Request
Automatic Switch to Slow Clock Mode
Asynchronous Read in Page Mode Supported: Page Size Ranges from 4 to 32 Bytes
10.11.3
SDRAM Controller
Numerous Configurations Supported
– 2K, 4K, 8K Row Address Memory Parts
– SDRAM with Two or Four Internal Banks
– SDRAM with 16-bit Data Path
Programming Facilities
– Word, Half-word, Byte Access
– Automatic Page Break When Memory Boundary Has Been Reached
– Multibank Ping-pong Access
– Timing Parameters Specified by Software
– Automatic Refresh Operation, Refresh Rate is Programmable
Energy-saving Capabilities
– Self-refresh, Power-down and Deep Power Modes Supported
32058KS–AVR32–01/12
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