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參數(shù)資料
| 型號(hào)： | TMS320LF2407PGS |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 數(shù)字信號(hào)處理 |
| 英文描述： | DSP CONTROLLERS |
| 中文描述： | DSP控制器 |
| 文件頁(yè)數(shù)： | 65/115頁(yè) |
| 文件大?。?/td> | 1511K |
| 代理商： | TMS320LF2407PGS |
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SPRS094I APRIL 1999 REVISED SEPTEMBER 2003
65
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
current consumption graph
80
70
60
50
40
30
20
10
0
0
5
10
15
20
25
30
35
CLKOUT Frequency (MHz)
I
Figure 16. LF2407 Typical Current Consumption (With Peripheral Clocks Enabled)
reducing current consumption
240x DSPs incorporate a unique method to reduce the device current consumption. A reduction in current
consumption can be achieved by turning off the clock to any peripheral module which is not used in a given
application. Table 18 indicates the typical reduction in current consumption achieved by turning off the clocks
to various peripherals. Refer to the
TMS320LF/LC240x DSP Controllers Reference Guide: System and
Peripherals
(literature number SPRU357) for further information on how to turn off the clock to the peripherals.
Table 18. Typical Current Consumption by Various Peripherals (at 30 MHz)
PERIPHERAL MODULE
CURRENT REDUCTION (mA)
CAN
6.3
EVA
4.6
EVB
4.6
ADC
2.8
SCI
1.4
SPI
1.0
This number represents the current drawn by the digital portion of the ADC module. Turning off the
clock to the ADC module results in the elimination of the current drawn by the analog portion of the
ADC (ICCA) as well.
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