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问 名称：AT32AP7000
概述：
AVR32 based 32-bit MCU/DSP
Vectored multiplier co-processor, 32 KB on-chip SRAM, 16 KB instruction and 16 KB data caches, MMU, DMA controller. Peripherals include a 16-bit stereo audio DAC, 2048x2048 pixel TFT/STN LCD controllers, 480 Mbps USB 2.0 with on chip transceivers (PHY) and, two 10/100 Ethernet MACs. Serial interfaces include RS232, USART, I2S, AC97, TWI/I2C, SPI, PS/2 and several synchronous serial modules (SSC) supporting most serial communication protocols.
答 1: reFeatures
1.; High Performance, Low Power AVR®32 32-Bit Microcontroller
– 133MHz clock frequency
– 16KB instruction cache and 16KB data caches
– Memory Management Unit enabling use of operating systems
– Single-cycle RISC instruction set including SIMD and DSP instructions
– Java Hardware Acceleration
2. Multimedia Co-Processor
– Vector Multiplication Unit for video acceleration through color-space conversion
(YUV<->RGB), image scaling and filtering, quarter pixel motion compensation
3.; Multi-hierarchy bus system
– High-performance data transfers on separate buses for increased performance
4.; Data Memories
– 32KBytes SRAM
5.; External Memory Interface
– SDRAM, DataFlash&#8482;, SRAM, Multi Media Card (MMC), Secure Digital (SD),
Compact Flash, Smart Media, NAND Flash,
6.; Direct Memory Access Controller
– External Memory access without CPU intervention
7; Interrupt Controller
– Individually maskable Interrupts
– Each interrupt request has a programmable priority and autovector address
8; System Functions
– Power and Clock Manager
– Crystal Oscillator with Phase-Lock-Loop (PLL)
– Watchdog Timer
– Real-time Clock
9; 6 Multifunction timer/counters
– Three external clock inputs, I/O pins, PWM, capture and various counting
capabilities
10; 4 Universal Synchronous/Asynchronous Receiver/Transmitters (USART)
– 115.2 kbps IrDA Modulation and Demodulation
– Hardware and software handshaking
11; 3 Synchronous Serial Protocol controllers
– Supports AC97, I2S, S/PDIF, SPI and generic frame-based protocols
12; Two-Wire Interface
– Sequential Read/Write Operations, I2C&copy; compatible
13; Liquid Crystal Display (LCD) interface
– Supports TFT displays
– Configurable pixel resolution supporting QCIF/QVGA/VGA/SVGA configurations.
14; Image Sensor Interface
– 12-bit Data Interface for CMOS cameras
15; Universal Serial Bus (USB) 2.0 High Speed (480 Mbps) Device
– On-chip Transceivers with physical interface
16; 2 Ethernet MAC 10/100 Mbps interfaces
– 802.3 Ethernet Media Access Controller
– Supports Media Independent Interface (MII) and Reduced MII (RMII)
17; 16-bit stereo audio DAC
– Sample rates up to 50 kHz
18; On-Chip Debug System
– Nexus Class 3
– Full speed, non-intrusive data and program trace
– Runtime control and JTAG interface
19; Packages/Pins
– 256-ball CABGA 1.0mm pitch/160 GPIO pins
20; Power supplies
– 1.65V to1.95V VDDCORE
– 3.0V to 3.6V VDDIO

答 2: 直击手持设备市场强调多媒体性能的样子。 答 3: 亮点Image Sensor Interface
– 12-bit Data Interface for CMOS cameras

2 Ethernet MAC 10/100 Mbps interfaces
– 802.3 Ethernet Media Access Controller
– Supports Media Independent Interface (MII) and Reduced MII (RMII)
答 4: 弱点:跟目前的32位代码不兼容,无法使用目前已经有的ARM系统成熟代码.


普通用户替换这个芯片肯定比ARM9换ARM7的难度.

这些东西,可不是随便能够搞定的.还是需要积累的.

估计以后AT公司会出一些移植过的功能库出来.

这个可以自己要几个样品,做做手持的助理. 答 5: 哪可以申请到样片？哪可以申请到样片？