HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 190

• Manufacturer Part Number: HD6477021X20V
• Description: MCU 5V 32K PB-FREE 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7020r

Specifications of HD6477021X20V

• 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 Size: 32KB (32K x 8)
• Program Memory Type: OTP
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

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
External device
DREQ0, DREQ1
acknowledge)
DACK0, DACK1
External
External
(memory
mapped)
ROM
RAM
(with
peripheral
On-chip
module
On-chip
On-chip
ROM
RAM
DEIn
SCI
ITU
Bus controller
Figure 9.1 DMAC Block Diagram
Bus interface
Register
Request
Iteration
Start-up
control
control
control
priority
control
DMAOR
CHCRn
SARn
DARn
TCRn
RENESAS 171
DMAC