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TMS320C2801 Datasheet

  • TMS320C2801

  • TMS320F2809, F2808, F2806, F2802, F2801, C2802, C2801, UCD95...

  • 134頁(yè)

  • TI

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TMS320F2809, TMS320F2808, TMS320F2806
TMS320F2802, TMS320F2801, UCD9501
TMS320C2802, TMS320C2801, and TMS320F2801x DSPs
SPRS230H 鈥?OCTOBER 2003 鈥?REVISED JUNE 2006
6.4
Current Consumption
Table 6-1. TMS320F2808 Current Consumption by Power-Supply Pins at 100-MHz SYSCLKOUT
I
DD
TYP
(4)
MAX
I
DDIO (1)
TYP
(4)
MAX
TYP
I
DD3VFL
MAX
I
DDA18 (2)
TYP
(4)
MAX
I
DDA33 (3)
TYP
(4)
MAX
MODE
TEST CONDITIONS
The following peripheral
clocks are enabled:
鈥?/div>
ePWM1/2/3/4/5/6
鈥?/div>
eCAP1/2/3/4
鈥?/div>
eQEP1/2
鈥?/div>
eCAN-A
鈥?/div>
SCI-A/B
鈥?/div>
SPI-A
鈥?/div>
ADC
Operational
(Flash)
鈥?/div>
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, SCI-B, and
eCAN-A ports. The
hardware multiplier is
exercised.
Code is running out of
flash with 3 wait-states.
XCLKOUT is turned off.
Flash is powered down.
XCLKOUT is turned off.
The following peripheral
clocks are enabled:
鈥?/div>
eCAN-A
鈥?/div>
SCI-A
鈥?/div>
SPI-A
鈥?/div>
I
2
C
Flash is powered down.
Peripheral clocks are off.
Flash is powered down.
Peripheral clocks are off.
Input clock is disabled.
195 mA
230 mA
15 mA
27 mA
35 mA
40 mA
30 mA
38 mA
1.5 mA
2 mA
IDLE
75 mA
90 mA
500
碌A(chǔ)
2 mA
2
碌A(chǔ)
10
碌A(chǔ)
5
碌A(chǔ)
50
碌A(chǔ)
15
碌A(chǔ)
30
碌A(chǔ)
STANDBY
6 mA
70
碌A(chǔ)
12 mA
100
碌A(chǔ)
60
碌A(chǔ)
500
碌A(chǔ)
120
碌A(chǔ)
2
碌A(chǔ)
2
碌A(chǔ)
10
碌A(chǔ)
10
碌A(chǔ)
5
碌A(chǔ)
5
碌A(chǔ)
50
碌A(chǔ)
50
碌A(chǔ)
15
碌A(chǔ)
15
碌A(chǔ)
30
碌A(chǔ)
30
碌A(chǔ)
HALT
(1)
(2)
(3)
(4)
I
DDIO
current is dependent on the electrical loading on the I/O pins.
I
DDA18
includes current into V
DD1A18
and V
DD2A18
pins. In order to realize the I
DDA18
currents shown for IDLE, STANDBY, and HALT,
clock to the ADC module must be turned off explicitly by writing to the PCLKCR0 register.
I
DDA33
includes current into V
DDA2
and V
DDAIO
pins.
The TYP numbers are applicable over room temperature and nominal voltage.
NOTE
The peripheral - I/O multiplexing implemented in the 280x devices 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.
Electrical Specifications
89

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