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| 供应商 | CAST |
|---|---|
| 型号 | 32-bit Application Processor |
| 类型 | Soft IP |
| 到期日 | In Production |
| 源网址 | View more |
| 特征 | High Performance 32-bit CPU Seven-Stage Pipeline Out-of Order Completion Sophisticated Branch Prediction Optional Floating Point Unit 2.51 Coremarks/MHz 1100+ MHz on TSMC 28nm HPM Efficient Power Management Dynamic clock gating and power shut-off of unused units Software- and hardware-controlled clock frequency Wake-up on tick timer or external interrupt Fast & Flexible Memory Access Separate Instruction and Data Caches and MMU AXI4 data & instruction buses (32-, 64- or 128-bit) with 4 GBytes direct addressable space on each bus Tightly coupled Quick Memory (QMEM) interface for fast and deterministic access to code and/or data Two-Level Cache and MMU L0 cache running at core frequency and L1 cache running at half the core frequency 1–16 Kbytes L0 caches, up to four-way set associative 32–512 Kbytes L1 caches, up to four-way set associative L0 MMU with up to 32 four-way associative entries L1 MMU with up to 2048 four-way associative entries Optional Integrated Peripherals Vectored Interrupt Controller Microcontroller peripherals such as GPIO, UART, Real-Time Clock, Timers, I2C, and SPI Memory controllers, interconnect IP, and more Easy Software Development Non-intrusive JTAG debug/trace for both CPU and system Complex chained watchpoint and breakpoint conditions BeyondStudio? complete IDE for Windows or Linux under Eclipse Ported libraries and operating systems |
| 详情页 | View more |
| 附件链接 | View more |
The BA25 is a 32-bit processor for demanding systems running applications on general-purpose operating systems such as Linux and Android. The high-performance BA25 processor runs at high clock frequencies yet has a smaller silicon footprint than most competing application processors (e.g., over 1100MHz and from 145k sq. um in TSMC 28nm HPM, including the FPU, and excluding SRAMs). This royalty-free 32-bit processor core is binary-compatible with other members of the silicon-proven BA2x processor family. Its BA2 instruction set is relatively simple and extremely compact, offering system area and energy savings benefits. Programing is facilitated with the included C/C++ tool chain, Eclipse IDE, architectural simulator, and ported C libraries, RTOSs, and OSs. The BA25 is a 32-bit processor for demanding systems running applications on general-purpose operating systems such as Linux and Android. The high-performance BA25 processor runs at high clock frequencies yet has a smaller silicon footprint than most competing application processors (e.g., over 1100MHz and from 145k sq. um in TSMC 28nm HPM, including the FPU, and excluding SRAMs). This royalty-free 32-bit processor core is binary-compatible with other members of the silicon-proven BA2x processor family. Its BA2 instruction set is relatively simple and extremely compact, offering system area and energy savings benefits. Programing is facilitated with the included C/C++ tool chain, Eclipse IDE, architectural simulator, and ported C libraries, RTOSs, and OSs. The BA25 processor uses two-level data and instruction caches—with L0 running at the CPU's clock frequency and L1 running at half that—and a two-level memory management unit. The size and associativity of the caches and MMU are configurable at synthesis time. The system interface uses two AMBA? AXI4? buses, one for data and one for instructions, both of configurable data width. Two tightly-coupled quick memory (QMEM) buses allow fast access for time-critical code and data, and can be used for inter-core communication in a multi-core architecture. The energy efficiency BA25 enables power management with clock gating and power shut-off of unused units, and through software and hardware control over the clock frequency of the CPU and buses. Wake-up from sleep mode is triggered by an interrupt issued by the embedded tick-timer or by an external source.
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