參數(shù)資料
型號(hào)： TMS320F28044ZGMQ
廠商： Texas Instruments, Inc.
元件分類： 數(shù)字信號(hào)處理
英文描述： Digital Signal Processor
中文描述： 數(shù)字信號(hào)處理器
文件頁(yè)數(shù)： 73/107頁(yè)
文件大?。?/td> 784K
代理商： TMS320F28044ZGMQ
www.ti.com
6.4
Current Consumption
TMS320F28044
Digital Signal Processor
SPRS357B–AUGUST 2006–REVISED MAY 2007
Table 6-1. TMS320F28044 Current Consumption by Power-Supply Pins at 100-MHz SYSCLKOUT
I
DD
I
DDIO(1)
I
DD3VFL
I
DDA18(2)
I
DDA33(3)
MODE
TEST CONDITIONS
TYP
(4)
MAX
TYP
(4)
MAX
TYP
MAX
TYP
(4)
MAX
TYP
(4)
MAX
The following peripheral
clocks are enabled:
ePWM1-16
SCI-A
SPI-A
ADC
I
2
C
All PWM pins are toggled
at 100 kHz.
All I/O pins are left
unconnected.
Data is continuously
transmitted out of the
SCI-A port. The
hardware multiplier is
exercised.
Code is running out of
flash with 3 wait-states.
XCLKOUT is turned off.
Operational
(Flash)
205 mA
230 mA
10 mA
15 mA
35 mA
40 mA
30 mA
38 mA
1.5 mA
2 mA
Flash is powered down.
XCLKOUT is turned off.
The following peripheral
clocks are enabled:
SCI-A
SPI-A
I
2
C
Flash is powered down.
Peripheral clocks are off.
IDLE
75 mA
90 mA
500
μ
A
2 mA
2
μ
A
10
μ
A
5
μ
A
50
μ
A
15
μ
A
30
μ
A
STANDBY
6 mA
12 mA
100
μ
A
500
μ
A
2
μ
A
10
μ
A
5
μ
A
50
μ
A
15
μ
A
30
μ
A
Flash is powered down.
Peripheral clocks are off.
Input clock is disabled.
HALT
70
μ
A
60
μ
A
120
μ
A
2
μ
A
10
μ
A
5
μ
A
50
μ
A
15
μ
A
30
μ
A
(1)
(2)
I
DDIO
current is dependent on the electrical loading on the I/O pins.
I
includes current into V
and V
pins. In order to realize the I
currents shown for IDLE, STANDBY, and HALT,
clock to the ADC module must be turned off explicitly by writing to the PCLKCR0 register.
I
includes current into V
and V
pins.
The TYP numbers are applicable over room temperature and nominal voltage.
(3)
(4)
NOTE
The peripheral - I/O multiplexing implemented in the F28044 device prevents all available
peripherals from being used at the same time. This is because more than one peripheral
function may share an I/O pin. It is, however, possible to turn on the clocks to all the
peripherals at the same time, although such a configuration is not useful. If this is done,
the current drawn by the device will be more than the numbers specified in the current
consumption tables.
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Electrical Specifications
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