參數(shù)資料
型號(hào): TMS320F206PZL
元件分類: 數(shù)字信號(hào)處理
英文描述: 16-Bit Digital Signal Processor
中文描述: 16位數(shù)字信號(hào)處理器
文件頁數(shù): 10/57頁
文件大小: 793K
代理商: TMS320F206PZL
TMS320F206
DIGITAL SIGNAL PROCESSOR
SPRS050A – NOVEMBER 1996 – REVISED APRIL 1998
10
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
architectural overview
The ’F206 advanced Harvard-type architecture maximizes the processing power by maintaining two separate
memory bus structures — program and data — for full-speed execution. The multiple buses allow data and
instructions to be read simultaneously. Instructions support data transfers between the two spaces. This
architecture permits coefficients stored in program memory to be read in RAM, eliminating the need for a
separate coefficient ROM. This, coupled with a four-deep pipeline, allows the TMS320F206 to execute most
instructions in a single cycle.
status and control registers
Two status registers, ST0 and ST1, contain the status of various conditions and modes. These registers can
be stored into data memory and loaded from data memory, thereby allowing the status of the machine to be
saved and restored for subroutines.
The load-status-register (LST) instruction is used to write to ST0 and ST1. The store-status-register (SST)
instruction is used to read from ST0 and ST1 (except the INTM bit, which is not affected by the LST instruction).
The individual bits of these registers can be set or cleared when using the SETC and CLRC instructions. Table 3
and Table 4 show the organization of status registers ST0 and ST1, indicating all status and control bits
contained in each. Several bits in the status registers are reserved and read as logic 1s. Refer to Table 5 for
status-register field definitions.
Table 3. Status and Control Register Zero
15
13
12
11
10
9
8
7
6
5
4
3
2
1
0
ST0
ARP
OV
OVM
1
INTM
DP
Table 4. Status and Control Register One
15
13
12
11
10
9
8
7
6
5
4
3
2
1
0
ST1
ARB
CNF
TC
SXM
C
1
1
1
1
XF
1
1
PM
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