DF2211NP24V Renesas Technology / Hitachi Semiconductor, DF2211NP24V Datasheet - Page 234

• Manufacturer Part Number: DF2211NP24V
• Description: H8S/2200 Series, 2212 Group, USB, RTC, HSS TNP-64B; Vcc= 2.7 to 3.6 volts, Temp= -20 to 75 C; Package: PVQN0064LB-A
• Manufacturer: Renesas Technology / Hitachi Semiconductor

Rev.7.00 Dec. 24, 2008 Page 180 of 698
REJ09B0074-0700
and transfer destination
Set number of transfers
Set transfer source
Sequential mode
Figure 7.3 Example of Sequential Mode Setting Procedure
Read DMABCRL
Sequential mode
Set DMABCRH
Set DMABCRL
Set DMACR
addresses
setting
[1]
[2]
[3]
[4]
[5]
[6]
[1] Set each bit in DMABCRH.
[2] Set the transfer source address and transfer
[3] Set the number of transfers in ETCR.
[4] Set each bit in DMACR.
[5] Read the DTE bit in DMABCRL as 0.
[6] Set each bit in DMABCRL.
destination address in MAR and IOAR.
· Clear the FAE bit to 0 to select short address mode.
· Specify enabling or disabling of internal interrupt
· Set the transfer data size with the DTSZ bit.
· Specify whether MAR is to be incremented or
· Clear the RPE bit to 0 to select sequential mode.
· Specify the transfer direction with the DTDIR bit.
· Select the activation source with bits DTF3 to DTF0.
· Specify enabling or disabling of transfer
· Set the DTE bit to 1 to enable transfer.
clearing with the DTA bit.
decremented with the DTID bit.
andinterrupts with the DTIE bit.