Examples Of Use; Examples Of Transfer Between External Memory And An External Device With Dack; Table 14.10 Conditions For Transfer Between External Memory And An External Device With Dack, And Corresponding Register Settings - Hitachi SH7750 Hardware Manual

Sh7750 series superh risc engine

Hide thumbs Also See for SH7750:

Table of Contents

Examples of Use

Examples of Transfer between External Memory and an External Device with

Examples of transfer of data in external memory to an external device with DACK using DMAC

channel 1 are considered here.

Table 14.10 shows the transfer conditions and the corresponding register settings.

Table 14.10 Conditions for Transfer between External Memory and an External Device

with DACK, and Corresponding Register Settings

Transfer Conditions

Transfer source: external memory

Transfer source: external device with DACK

Number of transfers: 32

Transfer source address: decremented

Transfer destination address: (setting invalid)

Transfer request source: external pin (DREQ1)

edge detection

Bus mode: burst

Transfer unit: word

No interrupt request at end of transfer

Channel priority order: 2 > 0 > 1 > 3

Rev. 6.0, 07/02, page 544 of 986

(Accessed by DACK)

Table of Contents

Sh7750r Sh7750s