Texas Instruments TMS320C6455 User Manual

Reset
Static
Powerdown
Disabled
Enable In
Progress
Enabled
TMS320C6455
www.ti.com SPRS276M –MAY 2005–REVISED MARCH 2012
Table 3-4. Peripheral States
PERIPHERALS THAT CAN BE
STATE DESCRIPTION
IN THIS STATE
HPI
PCI
Peripheral pin function has been completely
McBSP1
disabled through the device configuration
Static powerdown UTOPIA
pins. Peripheral is held in reset and clock is
EMAC/MDIO
turned off.
EMIFA
DDR2 Memory Controller
TCP
VCP
I2C
Timer 0
Timer 1
Peripheral is held in reset and clock is turned
GPIO
Disabled off. Default state for all peripherals not in
EMAC/MDIO
static powerdown mode.
McBSP0
McBSP1
HPI
PCI
UTOPIA
TCP
VCP
I2C
Timer 0
Timer 1
GPIO
MDIO
Clock to the peripheral is turned on and the
Enabled EMAC/MDIO
peripheral is taken out of reset.
McBSP0
McBSP1
HPI
PCI
UTOPIA
EMIFA
DDR2 Memory Controller
Not a user-programmable state. This is an
All peripherals that can be in an
Enable in progress intermediate state when transitioning from an
enabled state.
disabled state to an enabled state.
Following device reset, all peripherals that are not in the static powerdown state are in the disabled state
by default. Peripherals used for boot such as HPI and PCI are enabled automatically following a device
reset.
Peripherals are only allowed certain transitions between states (see Figure 3-1).
Figure 3-1. Peripheral Transitions Between States
Copyright © 2005–2012, Texas Instruments Incorporated Device Configuration 59
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Texas Instruments TMS320C6455 Specifications

General

Brand	Texas Instruments
Model	TMS320C6455
Category	Signal Processors
Language	English