HD6417750RF200DV Renesas Electronics America, HD6417750RF200DV Datasheet - Page 654

• Manufacturer Part Number: HD6417750RF200DV
• Description: MPU 1.5/3.3V 0K I-TEMP PB-FREE 2
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7750r

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: -

Section 14 Direct Memory Access Controller (DMAC)
Rev.7.00 Oct. 10, 2008 Page 568 of 1074
REJ09B0366-0700
Notes: 1. In auto-request mode, transfer begins when the NMIF, AE, and TE bits are all 0, and the DE
DMATCR - 1 → DMATCR
Transfer (1 transfer unit)
DMTE interrupt request
(SAR, DAR, DMATCR,
Illegal address check
NMIF, AE, TE = 0?
AE = 1 or DE = 0 or
(reflected in AE bit)
Update SAR, DAR
CHCR, DMAOR)
request issued?
DE, DME = 1?
2. DREQ level detection (external request) in burst mode, or cycle steal mode.
3. DREQ edge detection (external request) in burst mode, or auto-request mode in burst mode.
4. An illegal address is detected by comparing bits TS2–TS0 in CHCRn with SARn and DARn.
DMATCR = 0?
End of transfer
Initial settings
(when IE = 1)
DME = 0?
Yes
Yes
Yes
Yes
Yes
Transfer
NMIF or
and DME bits are set to 1.
Start
*1
Figure 14.2 DMAC Transfer Flowchart
No
No
No
No
No
*4
Normal end
Transfer suspended
AE = 1 or DE = 0 or
DME = 0?
Yes
NMIF or
*3
transfer request mode,
DREQ detection
No
Bus mode,
method
*2