ADV
ANCEINFORMA
TION
TMS320F28377S, TMS320F28376S, TMS320F28375S, TMS320F28374S
SPRS881A – AUGUST 2014 – REVISED JUNE 2015
5.5
Power Consumption Summary
Current values listed in this section are representative for the test conditions given and not the absolute
maximum possible. The actual device currents in an application will vary with application code and pin
configurations.
Table 5-1. Device Current Consumption at 200-MHz SYSCLK
I
DD
I
DDIO
(1)
I
DDA
I
DD3VFL
MODE
TEST CONDITIONS
TYP
(2)
MAX
(3)
TYP
(2)
MAX
(3)
TYP
(2)
MAX
(3)
TYP
(2)
MAX
(3)
•
Code is running out of RAM.
(4)
•
All I/O pins are left unconnected.
Operational
•
Peripherals not active have their
245 mA
425 mA
30 mA
55 mA
13 mA
25 mA
33 mA
40 mA
(RAM)
clocks disabled.
•
FLASH is read and in active state.
•
XCLKOUT is enabled at SYSCLK/4.
•
CPU1 is in IDLE mode.
IDLE
80 mA
210 mA
3 mA
10 mA
10 µA
150 µA
10 µA
150 µA
•
Flash is powered down.
•
XCLKOUT is turned off.
•
CPU1 is in STANDBY mode.
STANDBY
30 mA
135 mA
3 mA
10 mA
5 µA
150 µA
10 µA
150 µA
•
Flash is powered down.
•
XCLKOUT is turned off.
•
CPU1 watchdog is running.
HALT
1.5 mA
125 mA
750 µA
1 mA
5 µA
150 µA
10 µA
150 µA
•
Flash is powered down.
•
XCLKOUT is turned off.
•
CPU1.M0 and CPU1.M1 RAMs are in
HIBERNATE
100 µA
4 mA
750 µA
1 mA
5 µA
75 µA
1 µA
50 µA
low-power data retention mode.
•
CPU1 is running from RAM.
•
All I/O pins are left unconnected.
•
Peripheral clocks are disabled.
Flash
154 mA
230 mA
3 mA
10 mA
10 µA
150 µA
45 mA
55 mA
•
CPU1 is doing Flash Erase/Program
Erase/Program
loop on Bank 0, reading from Bank 1
to keep the bank active.
•
XCLKOUT is turned off.
(1)
I
DDIO
current is dependent on the electrical loading on the I/O pins.
(2)
TYP: V
nom
, 30°C
(3)
MAX: V
max
, 125°C
(4)
The following is executed in a loop on CPU1:
•
All of the communication peripherals are exercised in loop-back mode: CAN-A to CAN-B; SPI-A to SPI-C; SCI-A to SCI-D; I
2
C-A to
I
2
C-B; McBSP-A to McBSP-B; USB
•
SDFM1 to SDFM4 active
•
ePWM1 to ePWM12 generate 400-kHz PWM output on 24 pins
•
CPU TIMERs active
•
DMA does 32-bit burst transfers
•
CLA1 does multiply-accumulate tasks
•
All ADCs perform continuous conversion
•
All DACs ramp voltage up/down at 150 kHz
•
CMPSS1 to CMPSS8 active
•
VCU does complex multiply/accumulate with parallel load
•
TMU calculates a cosine
•
FPU does multiply/accumulate with parallel load
52
Specifications
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