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Diffstat (limited to 'doc/README.N1213')
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diff --git a/doc/README.N1213 b/doc/README.N1213 deleted file mode 100644 index e107166e18..0000000000 --- a/doc/README.N1213 +++ /dev/null @@ -1,55 +0,0 @@ -N1213 is a configurable hard/soft core of NDS32's N12 CPU family. - -Features -======== - -CPU Core - - 16-/32-bit mixable instruction format. - - 32 general-purpose 32-bit registers. - - 8-stage pipeline. - - Dynamic branch prediction. - - 32/64/128/256 BTB. - - Return address stack (RAS). - - Vector interrupts for internal/external. - interrupt controller with 6 hardware interrupt signals. - - 3 HW-level nested interruptions. - - User and super-user mode support. - - Memory-mapped I/O. - - Address space up to 4GB. - -Memory Management Unit - - TLB - - 4/8-entry fully associative iTLB/dTLB. - - 32/64/128-entry 4-way set-associati.ve main TLB. - - TLB locking support - - Optional hardware page table walker. - - Two groups of page size support. - - 4KB & 1MB. - - 8KB & 1MB. - -Memory Subsystem - - I & D cache. - - Virtually indexed and physically tagged. - - Cache size: 8KB/16KB/32KB/64KB. - - Cache line size: 16B/32B. - - Set associativity: 2-way, 4-way or direct-mapped. - - Cache locking support. - - I & D local memory (LM). - - Size: 4KB to 1MB. - - Bank numbers: 1 or 2. - - Optional 1D/2D DMA engine. - - Internal or external to CPU core. - -Bus Interface - - Synchronous/Asynchronous AHB bus: 0, 1 or 2 ports. - - Synchronous High speed memory port. - (HSMP): 0, 1 or 2 ports. - -Debug - - JTAG debug interface. - - Embedded debug module (EDM). - - Optional embedded program tracer interface. - -Miscellaneous - - Programmable data endian control. - - Performance monitoring mechanism. |