參數資料
型號: TMS320C242PGS
元件分類: 數字信號處理
英文描述: 16-Bit Digital Signal Processor
中文描述: 16位數字信號處理器
文件頁數: 10/66頁
文件大?。?/td> 803K
代理商: TMS320C242PGS
TMS320C242
DSP CONTROLLER
SPRS063B – DECEMBER 1997 – REVISED DECEMBER 1999
10
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
architectural overview
The functional block diagram provides a high-level description of each component in the ’C242 DSP controllers.
The TMS320x24x devices are composed of three main functional units: a ’C2xx DSP core, internal memory,
and peripherals. In addition to these three functional units, there are several system-level features of the ’C242
that are distributed. These system features include the memory map, device reset, interrupts, digital
input/output (I/O), clock generation, and low-power operation.
system-level functions
device memory map
The ’C242 device implements three separate address spaces for program memory, data memory, and
I/O space. On the ’C242, the first 96 (0–5Fh) data memory locations are either allocated for memory-mapped
registers or reserved. This memory-mapped register space contains various control and status registers,
including those for the CPU.
All the on-chip peripherals of the ’C242 devices are mapped into data memory space. Access to these registers
is made by the CPU instructions addressing their data memory locations. Figure 1 shows the ’C242 memory
map.
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