SPRUG18 datasheet(78/214 Pages) TI

78 / 214 page

TMS320C6474

SPRS552H

– OCTOBER 2008 – REVISED APRIL 2011

www.ti.com

Table 7-2. Power/Sleep Controller Registers (continued)

HEX ADDRESS

ACRONYM

02AC 0A0C

MDCTL3

Module Control Register 3 (C64x+ Core 0)

02AC 0A10

MDCTL4

Module Control Register 4 (C64x+ Core 1)

02AC 0A14

MDCTL5

Module Control Register 5 (C64x+ Core 2)

02AC 0A18

MDCTL6

Module Control Register 6 (Antenna Interface)

02AC 0A1C

MDCTL7

Module Control Register 7 (Serial RapidIO)

02AC 0A20

Reserved

02AC 0A24

MDCTL9

Module Control Register 9 (TCP)

02AC 0A28

MDCTL10

Module Control Register 10 (VCP)

02AC 0A2C

MDCTL11

Module Control Register 11 (Never Gated)

7.3.4

SmartReflex

Increasing the device complexity increases its power consumption and with the smaller transistor

structures responsible for higher achievable clock rates and increased performance, comes an inevitable

penalty, increasing the leakage currents. Leakage currents are present in any active circuit, independently

of clock rates and usage scenarios. This static power consumption is mainly determined by transistor type

and process technology. Higher clock rates also increase dynamic power, the power used when

transistors switch. The dynamic power depends mainly on a specific usage scenario, clock rates, and I/O

activity.

Texas Instruments' SmartReflex

™ technology is used to decrease both static and dynamic power

consumption while maintaining the device performance. SmartReflex in the C6474 device is a feature that

allows the core voltage to be optimized based on the process corner of the device. This requires a voltage

regulator for each C6474 device.

To guarantee maximizing performance and minimizing power consumption of the device, SmartReflex is

required to be implemented whenever the C6474 device is used.

The voltage selection is done using 4 VCNTL pins which are used to select the output voltage of the core

voltage regulator. For complete information on SmartReflex, see the TMS320C6474 Hardware Design

Guide application report (literature number SPRAAW7).

Peripheral Information and Electrical Specifications

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