HD6417034AFI20 Renesas Electronics America, HD6417034AFI20 Datasheet - Page 209

• 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: -

9.1.2
Figure 9.1 shows a block diagram of the DMAC.
DMAOR: DMA operation register
SARn: DMA source address register
DARn: DMA destination address register
TCRn: DMA transfer count register
CHCRn: DMA channel control register
DEIn: DMA transfer-end interrupt request to CPU
n: 0-3
External device
DREQ0, DREQ1
acknowledge)
DACK0, DACK1
Block Diagram
device (with
External
External
(memory-
ROM
mapped)
RAM
External
A/D converter
supporting
On-chip
module
On-chip
On-chip
ROM
RAM
DEIn
SCI
ITU
Figure 9.1 Block Diagram of DMAC
Bus controller
Section 9 Direct Memory Access Controller (DMAC)
Bus interface
Register
Request
Iteration
Start-up
control
control
control
priority
control
Rev. 7.00 Jan 31, 2006 page 181 of 658
DMAOR
CHCRn
SARn
DARn
TCRn
REJ09B0272-0700
DMAC