r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 1519

• Manufacturer Part Number: r5s77631ay266bgv
• Description: Renesas 32-bit Risc Microcomputer Superhtm Risc Engine Family Sh-4a Series
• Manufacturer: Renesas Electronics Corporation.

(1)
Reception Using DMA Controller
Note: * When SSI error interrupt occurs (underflow/overflow), back to start
Yes
and execute flow again.
Figure 34.21 Reception using DMA Controller
No
Wait for interrupt from DMAC
Reset SSI module if required
controller to provide data as
required for transmission
specify configuration bits
More data to be send?
enable error interrupts
disable error interrupt,
Wait for idle interrupt
Disable SSI module,
Enable SSI module,
enable Idle interrupt
from SSI module
Release reset,
error interrupt?
Tx data been
enable DMA,
disable DMA
Has DMAC
Setup DMA
completed?
in SSICR
or SSI
End*
Start
SSI
Yes
No
No
Yes
Specify TRMD, EN, SCKD,
SWSD, MUEN, DEL, PDTA,
SDTA, SPDP, SWSP, SCKP,
SWL, DWL, CHNL
EN = 1,
DMEN = 1,
UIEN = 1, OIEN = 1
EN = 0,
DMEN = 0
UIEN = 0, OIEN = 0,
IIEN = 1
Rev. 1.00 Oct. 01, 2007 Page 1453 of 1956
Section 34 Serial Sound Interface (SSI)
REJ09B0256-0100