參數(shù)資料
型號: TMX320C6205GHK200
廠商: Texas Instruments, Inc.
元件分類: 數(shù)字信號處理
英文描述: FIXED-POINT DIGITAL SIGNAL PROCESSOR
中文描述: 定點數(shù)字信號處理器
文件頁數(shù): 28/72頁
文件大?。?/td> 1143K
代理商: TMX320C6205GHK200
SPRS106G OCTOBER 1999 REVISED JULY 2006
28
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
clock PLL (continued)
Table 3. C6205 PLL Multiply Modes and x1 (Bypass) Options
CLKMODE0
ED[31]
ED[27]
ED[23]
PLL MULTIPLY
FACTORS
CPU CLOCK FREQ
f(CPU clock)
0
X
X
X
x1 (Bypass)
1
×
f(CLKIN)
1
×
f(CLKIN)
4
×
f(CLKIN)
8
×
f(CLKIN)
10
×
f(CLKIN)
6
×
f(CLKIN)
9
×
f(CLKIN)
7
×
f(CLKIN)
11
×
f(CLKIN)
1
0
0
0
x1 (Bypass)
1
0
0
1
x4
1
0
1
0
x8
1
0
1
1
x10
1
1
0
0
x6
1
1
0
1
x9
1
1
1
0
x7
1
1
1
1
x11
CLKMODE0 equal to 0 denotes on-chip PLL bypassed
CLKMODE0 equal to 1 denotes on-chip PLL used, except when configuration bits (ED[31], ED[27], and
ED[23]) are 0 at device reset.
ED[31], ED[27], and ED[23] are the on-chip PLL configuration bits that are latched during device reset,
along with the other boot configuration bits ED[31:0].
Table 4. C6205 PLL Component Selection Table
§
CLKMODE
CLKIN
RANGE
(MHz)
CPU CLOCK
FREQUENCY
(CLKOUT1)
RANGE (MHz)
CLKOUT2
RANGE
(MHz)
R1 [ 1%]
( )
C1 [ 10%]
(nF)
C2 [ 10%]
(pF)
TYPICAL
LOCK TIME
(
μ
s)
x4
32.550
x6
21.733.3
x7
18.628.6
x8
16.325
130200
65100
60.4
27
560
75
x9
14.422.2
x10
x11
1320
11.818.2
§Under some operating conditions, the maximum PLL lock time may vary as much as 150% from the specified typical value. For example, if the
typical lock time is specified as 100
μ
s, the maximum value may be as long as 250
μ
s.
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