HD6417034AFI20 Renesas Electronics America, HD6417034AFI20 Datasheet - Page 228

• Manufacturer Part Number: HD6417034AFI20
• Description: IC SUPERH MPU ROMLESS 112QFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7030r

Specifications of HD6417034AFI20

• Core Processor: SH-1
• Core Size: 32-Bit
• Speed: 20MHz
• Connectivity: EBI/EMI, SCI
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Type: ROMless
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 112-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -

Section 9 Direct Memory Access Controller (DMAC)
Rev. 7.00 Jan 31, 2006 page 200 of 658
REJ09B0272-0700
Transfer request
Figure 9.5 Example of Changes in Priority in External-Pin Round-Robin Mode
(6) Channel 0
(1) Channels
0 and 1
Waiting channel(s)
0
None
None
(2) Channel 1
(3) Channel 1
(4) Channel 0
(5) Channel 0
(7) Channel 0
(8) Channel 0
DMAC operation
transfer starts
transfer ends
transfer starts
transfer ends
transfer starts
transfer ends
does not change
Priority order
Priority order
Priority order
changes
changes
transfer request
Waiting for
Channel priority
3
3
3
3
2
2
2
2
1
0
1
1
0
1
0
0