參數(shù)資料
型號： TMS320F28335_1
廠商： Texas Instruments, Inc.
英文描述： Variable Capacitance Diode for TV Tuner VHF Tuning; Ratings VR (V): 32; Characteristics n: 12.0 min; Characteristics rs (ohm) max: 0.85; Characteristics C (pF) max: C2 = 32.2 to 37.5 C25 = 2.57 to 3.0; Characteristics CVR/CVR: 2/25; Cl: 2.777; Package: UFP
中文描述： 數(shù)字信號控制器（DSC）
文件頁數(shù)： 108/166頁
文件大?。?/td> 1889K
代理商： TMS320F28335_1
www.ti.com
A
6.4
Current Consumption
TMS320F28335, TMS320F28334, TMS320F28332
Digital Signal Controllers (DSCs)
SPRS439B–JUNE 2007–REVISED OCTOBER 2007
Table 6-1. TMS320F28335 Current Consumption by Power-Supply Pins at 150-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:
ePWM1/2/3/4/5/6
eCAP1/2/3/4/5/6
eQEP1/2
eCAN-A
SCI-A/B (FIFO
mode)
SPI-A (FIFO mode)
ADC
I2C
CPU Timer 0/1/2
All PWM pins are toggled
at 150 kHz.
All I/O pins are left
unconnected.
Operational
(Flash)
(5)
290 mA
25 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:
eCAN-A
SCI-A
SPI-A
I2C
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
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.
When the identical code is run off SARAM, I
DD
would increase as the code operates with zero wait states.
The following is done in a loop:
Data is continuously transmitted out of the SCI-A, SCI-B, SPI-A, McBSP-A, and eCAN-A ports.
Floating-point multiplication and addition are performed.
Watchdog is reset.
ADC is performing continuous conversion. Data from ADC is transferred to SARAM through the DMA.
32-bit read/write of the XINTF is performed.
GPIO19 is toggled.
(3)
(4)
(5)
(6)
NOTE
The peripheral - I/O multiplexing implemented in the F2833x 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.
108
Electrical Specifications
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