Texas Instruments TMS320C64x DSP User Manual

Page 259

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GPIO Registers

General Purpose I/O Operation

5-18

SPRU629

Table 5–9. Video Port Pin Data Clear Register (PDCLR) Field Descriptions

Bit

field

symval

Value

Description

31–23

Reserved

0

Reserved. The reserved bit location is always read as 0. A
value written to this field has no effect.

22

PDCLR22

Allows PDOUT22 bit to be cleared to a logic low without
affecting other I/O pins controlled by the same port.

NONE

0

No effect.

VCTL3CLR

1

Clears PDOUT22 (VCTL3) bit to 0.

21

PDCLR21

Allows PDOUT21 bit to be cleared to a logic low without
affecting other I/O pins controlled by the same port.

NONE

0

No effect.

VCTL2CLR

1

Clears PDOUT21 (VCTL2) bit to 0.

20

PDCLR20

Allows PDOUT20 bit to be cleared to a logic low without
affecting other I/O pins controlled by the same port.

NONE

0

No effect.

VCTL1CLR

1

Clears PDOUT20 (VCTL1) bit to 0.

19–0

PDCLR[19–0]

Allows PDOUT[19–0] bit to be cleared to a logic low without
affecting other I/O pins controlled by the same port.

NONE

0

No effect.

VDATAnCLR

1

Clears PDOUT[n] (VDATA[n]) bit to 0.

† For CSL implementation, use the notation VP_PDCLR_PDCLRn_symval

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