Texas Instruments TMS320DM646X DMSOC User Manual

Page 51

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Registers

Table 34. Asynchronous Wait Cycle Configuration Register (AWCCR) Field Descriptions (continued)

Bit

Field

Value

Description

17-16

CS2_WAIT

0-3h

EM_WAIT[5:2] pin map for chip select 2. By default, the EM_WAIT[2] pin is used for chip select 2.

0

EM_WAIT[2] pin is used.

1h

EM_WAIT[3] pin is used.

2h

EM_WAIT[4] pin is used.

3h

EM_WAIT[5] pin is used.

15-8

Reserved

0

Reserved

7-0

MEWC

0-FFh

Maximum extended wait cycles. The EMIF will wait for a maximum of (MEWC + 1) × 16 clock cycles
before it stops inserting asynchronous wait cycles and proceeds to the hold period of the access.

51

SPRUEQ7C – February 2010

Asynchronous External Memory Interface (EMIF)

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