HD6417750RF200DV Renesas Electronics America, HD6417750RF200DV Datasheet - Page 687
HD6417750RF200DV
Manufacturer Part Number
HD6417750RF200DV
Description
MPU 1.5/3.3V 0K I-TEMP PB-FREE 2
Manufacturer
Renesas Electronics America
Series
SuperH® SH7750r
Datasheet
1.D6417750RBP240DV.pdf
(1164 pages)
Specifications of HD6417750RF200DV
Core Processor
SH-4
Core Size
32-Bit
Speed
200MHz
Connectivity
EBI/EMI, FIFO, SCI, SmartCard
Peripherals
DMA, POR, WDT
Number Of I /o
28
Program Memory Type
ROMless
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
1.35 V ~ 1.6 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
208-QFP Exposed Pad, 208-eQFP, 208-HQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
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2. End of transfer when NMIF = 1 in DMAOR
3. End of transfer when DME = 0 in DMAOR
If the NMIF bit in DMAOR is set to 1 due to an NMI interrupt, DMA transfer is suspended on
all channels in accordance with the conditions in 1 to 4 in section 14.3.6, Ending DMA
Transfer, and the bus is passed to the CPU. Therefore, when NMIF is set to 1, the values in the
DMA source address register (SAR), DMA destination address register (DAR), and DMA
transfer count register (DMATCR) indicate the addresses for the DMA transfer to be
performed next and the remaining number of transfers. The TE bit is not set in this case.
Before resuming transfer after NMI interrupt handling is completed, 0 must be written to the
NMIF bit after first reading 1 from it. As in the case of AE being set to 1, acceptance of
external requests is suspended while NMIF is set to 1, so a DMA transfer request must be
reissued when resuming transfer. Acceptance of internal requests is also suspended, so when
resuming transfer, the DMA transfer request enable bit for the relevant on-chip peripheral
module must be cleared to 0 before the new setting is made.
If the DME bit in DMAOR is cleared to 0, DMA transfer is suspended on all channels in
accordance with the conditions in 1 to 4 in section 14.3.6, Ending DMA Transfer, and the bus
is passed to the CPU. The TE bit is not set in this case. When DME is cleared to 0, the values
in the DMA source address register (SAR), DMA destination address register (DAR), and
DMA transfer count register (DMATCR) indicate the addresses for the DMA transfer to be
performed next and the remaining number of transfers. When resuming transfer, DME must be
set to 1. Operation will then be resumed from the next transfer.
Section 14 Direct Memory Access Controller (DMAC)
Rev.7.00 Oct. 10, 2008 Page 601 of 1074
REJ09B0366-0700
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