TMS320C6454

Fixed-Point Digital Signal Processor

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SPRS311A –APRIL 2006 –REVISED DECEMBER 2006

3.4.2Peripheral Configuration Register 0 Description

The Peripheral Configuration Register (PERCFG0) is used to change the state of the peripherals. One write is allowed to this register within 16 SYSCLK3 cycles after the correct key is written to the PERLOCK register.

NOTE

The instructions that write to the PERLOCK and PERCFG0 registers must be in the same fetch packet if code is being executed from external memory. If the instructions are in different fetch packets, fetching the second instruction from external memory may stall the instruction long enough such that PERCFG0 register will be locked before the instruction is executed.

31

 

 

 

 

 

 

24

 

 

 

 

Reserved

 

 

 

 

 

 

 

R/W-0

 

 

 

23

 

21

20

19

18

17

16

 

Reserved

 

PCICTL

Reserved

HPICTL

Reserved

McBSP1CTL

 

R/W-0

 

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

15

14

13

12

11

10

9

8

Reserved

McBSP0CTL

Reserved

I2CCTL

Reserved

GPIOCTL

Reserved

TIMER0CTL

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

7

6

5

4

3

 

 

0

Reserved

TIMER1CTL

Reserved

EMACCTL

Reserved

 

R/W-0

R/W-0

R/W-0

R/W-0

 

 

R/W-0

 

LEGEND: R/W = Read/Write; -n= value after reset

Figure 3-4. Peripheral Configuration Register 0 (PERCFG0) - 0x02AC 0008

Table 3-7. Peripheral Configuration Register 0 (PERCFG0) Field Descriptions

Bit

Field

Value

Description

31:21

Reserved

 

Reserved.

20

PCICTL

 

Mode control for PCI. This bit defaults to 1 when Host boot is used (BOOTMODE[3:0] = 0111b).

 

 

0

Set PCI to disabled mode

 

 

1

Set PCI to enabled mode

19

Reserved

 

Reserved.

18

HPICTL

 

Mode control for HPI. This bit defaults to 1 when Host boot is used (BOOTMODE[3:0] = 0001b).

 

 

0

Set HPI to disabled mode

 

 

1

Set HPI to enabled mode

17

Reserved

1

Reserved.

16

McBSP1CTL

 

Mode control for McBSP1

 

 

0

Set McBSP1 to disabled mode

 

 

1

Set McBSP1 to enabled mode

15

Reserved

 

Reserved.

14

McBSP0CTL

 

Mode control for McBSP0

 

 

0

Set McBSP0 to disabled mode

 

 

1

Set McBSP0 to enabled mode

13

Reserved

 

Reserved.

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Texas Instruments TMS320C6454 warranty Peripheral Configuration Register 0 Description, Bit Field