參數(shù)資料
型號: TMS320C242PGA
元件分類: 數(shù)字信號處理
英文描述: 16-Bit Digital Signal Processor
中文描述: 16位數(shù)字信號處理器
文件頁數(shù): 26/66頁
文件大?。?/td> 803K
代理商: TMS320C242PGA
TMS320C242
DSP CONTROLLER
SPRS063B – DECEMBER 1997 – REVISED DECEMBER 1999
26
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
functional block diagram of the ’24x DSP CPU
32
16
Data Bus
16
OSCALE (0–7)
16
16
16
32
32
ACCL(16)
ACCH(16)
C
32
CALU(32)
32
32
MUX
ISCALE (0–16)
16
MUX
PREG(32)
Multiplier
TREG0(16)
MUX
16
16
MUX
B1 (256
×
16)
B2 (32
×
16)
DARAM
B0 (256
×
16)
DARAM
7
IR
MUX
DP(9)
9
9
MUX
16
16
ARAU(16)
16
3
3
3
3
ARB(3)
ARP(3)
Program Bus
16
16
16
16
AR7(16)
AR6(16)
AR5(16)
AR3(16)
AR2(16)
AR1(16)
AR0(16)
Stack 8
×
16
PC
MUX
16
XTAL1/
CLKOUT
XTAL2
2
XINT[1–2]
RS
C
D
P
D
AR4(16)
16
M
M
Data/Prog
16
PSCALE (–6, 0,1,4)
16
Data
32
16
16
16
ROM
4K
MUX
MUX
NPAR
PAR
MSTACK
Program Control
(PCTRL)
MRegister
IMR (16)
IFR (16)
GREG (16)
16
P
XF
NMI
NOTES: A. Symbol descriptions appear in Table 8 and Table 9.
B. For clarity, the data and program buses are shown as single buses although they include address and data bits.
A
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