参数资料
型号: TMS320C6415TBZLZ8
厂商: TEXAS INSTRUMENTS INC
元件分类: 数字信号处理
英文描述: 64-BIT, 75.18 MHz, OTHER DSP, PBGA532
封装: 23 X 23 MM, 0.80 MM PITCH, PLASTIC, BGA-532
文件页数: 108/142页
文件大小: 2106K
代理商: TMS320C6415TBZLZ8
TMS320C6414T, TMS320C6415T, TMS320C6416T
FIXEDPOINT DIGITAL SIGNAL PROCESSORS
SPRS226M NOVEMBER 2003 REVISED APRIL 2009
68
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
clock PLL (continued)
Table 31. TMS320C64x PLL Multiply Factor Options, Clock Frequency Ranges, and Typical Lock Time
GLZ, ZLZ and CLZ PACKAGES 23 x 23 mm BGA
CLKMODE1
CLKMODE0
CLKMODE
(PLL MULTIPLY
FACTORS)
CLKIN
RANGE
(MHz)
CPU CLOCK
FREQUENCY
RANGE (MHz)
CLKOUT4
RANGE (MHz)
CLKOUT6
RANGE (MHz)
TYPICAL
LOCK TIME
(
s)§
0
Bypass (x1)
0100
025
016.6
N/A
0
1
x6
4275
252450
63112.5
4275
1
0
x12
4275
504900
126225
84150
75
1
x20
2550
5001000
125250
83.3166.6
75
These clock frequency range values are applicable to a C64x600, 720, 850, and 1000-MHz speed devices. For more detailed information,
see the CLKIN timing requirements table for the specific device speed.
Use external pullup resistors on the CLKMODE pins (CLKMODE1 and CLKMODE0) to set the C64x device to one of the valid PLL multiply clock
modes (x6, x12, or x20). With internal pulldown resistors on the CLKMODE pins (CLKMODE1, CLKMODE0), the default clock mode is
x1 (bypass).
§ Under some operating conditions, the maximum PLL lock time may vary by as much as 150% from the specified typical value. For example, if
the typical lock time is specified as 100
s, the maximum value may be as long as 250 s.
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