參數(shù)資料
型號: IBM25NPE405H-3BA266CZ
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 266 MHz, RISC PROCESSOR, PBGA580
封裝: 35 MM, PLASTIC, EBGA-580
文件頁數(shù): 2/74頁
文件大小: 1423K
代理商: IBM25NPE405H-3BA266CZ
Preliminary
PowerNP NPe405H Embedded Processor Data Sheet
10
Programmable access timing per device
- 0–255 wait states for non-bursting devices
- 0 –31 Burst Wait States for first access and up to 7 Wait States for subsequent accesses
- Programmable chip select assertion/negation relative to driving address bus
- Programmable output and write-enable assertion/negation relative to assertion of chip select
Programmable address mapping
Peripheral device wait via “Ready”
External master interface
- Write posting from external master
- Read prefetching on PLB for external master reads
- Bursting capable from external master
- Allows external master access to all non-EBC PLB slaves
- External master can control EBC slaves for own access and control
DMA Controller
Supports the following transfers:
- Memory-to-memory transfers
- Buffered peripheral to memory transfers
- Buffered memory to peripheral transfers
Four channels
Scatter/Gather capability for programming multiple DMA operations
8-, 16-, 32-bit peripheral support (OPB and external bus attached)
32-bit addressing
Address increment or decrement
Internal 32-byte data buffering capability
Supports internal and external peripherals
Support for memory mapped peripherals
Support for peripherals running on slower frequency buses
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