北京航天新兴销售总部 （非本站正式会员）

The C6745/6747 is a low-power digital signal processor based on C674x DSP core. It consumes
significantly lower power than other members of the TMS320C6000?platform of DSPs.
The C6745/6747 enables OEMs and ODMs to quickly bring to market devices featuring high processing
performance .
The C6745/6747 DSP core uses a two-level cache-based architecture. The Level 1 program cache (L1P)
is a 32KB direct mapped cache and the Level 1 data cache (L1D) is a 32KB 2-way set-associative cache.
The Level 2 program cache (L2P) consists of a 256KB memory space that is shared between program
and data space. L2 memory can be configured as mapped memory, cache, or combinations of the two.
Although the DSP L2 is accessible by other hosts in the system, an additional 128KB RAM shared
memory (C6747 only) is available for use by other hosts without affecting DSP performance.
The peripheral set includes: a 10/100 Mb/s Ethernet MAC (EMAC) with a Management Data Input/Output
(MDIO) module; two inter-integrated circuit (I2C) bus interfaces; 3 multichannel audio serial ports (McASP)
with 16/9 serializers and FIFO buffers; 2 64-bit general-purpose timers each configurable (one
configurable as watchdog); a configurable 16-bit host port interface (HPI) [C6747 only]; up to 8 banks of
16 pins of general-purpose input/output (GPIO) with programmable interrupt/event generation modes,
multiplexed with other peripherals; 3 UART interfaces (one with RTS and CTS); 3 enhanced
high-resolution pulse width modulator (eHRPWM) peripherals; 3 32-bit enhanced capture (eCAP) module
peripherals which can be configured as 3 capture inputs or 3 auxiliary pulse width modulator (APWM)
outputs; 2 32-bit enhanced quadrature pulse (eQEP) peripherals; and 2 external memory interfaces: an
asynchronous and SDRAM external memory interface (EMIFA) for slower memories or peripherals, and a
higher speed memory interface (EMIFB) for SDRAM.
The Ethernet Media Access Controller (EMAC) provides an efficient interface between the C6745/6747
and the network. The EMAC supports both 10Base-T and 100Base-TX, or 10 Mbits/second (Mbps) and
100 Mbps in either half- or full-duplex mode. Additionally an Management Data Input/Output (MDIO)
interface is available for PHY configuration.
The rich peripheral set provides the ability to control external peripheral devices and communicate with
external processors. For details on each of the peripherals, see the related sections later in this document
and the associated peripheral reference guides.

公司背景及现状

北京航天新兴科技开发有限责任公司成立于 1996年，是一家以集成电路为主要经营产品的电子商务公司。有近20年的IC从业经验，代理、分销近50个品牌，产品应用领域涵盖了工业控制，电力电气，安防监控，通信通讯，汽车电子，仪器仪表等多个领域。多年来公司在总公司的大力支持下，先后在深圳、上海、香港等地设立了分公司及办事处

公司价值观

专业专注，通过渠道控制来保证货物的可追溯性

公司业务特点

（1）     独特的订货渠道，确保价格优势

（2）     专业的服务团队，及时解决市场及技术问题

（3）     大量的现货库存，强大的备货支持

（4）     快速的物流反应能力，保证急需料的及时供应