HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 189

• 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: -

• Transfer requests
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9.1.2
Figure 9.1 is a block diagram of the DMAC.
170 RENESAS
Selectable bus modes: Cycle-steal mode or burst mode
Selectable channel priority levels: Fixed, round-robin, or external-pin round-robin modes
CPU can be asked for interrupt when data transfer ends
Maximum transfer rate
Two on-chip peripheral modules (excluding DMAC)
External request (From DREQ pins (channels 0 and 1 only). DREQ can be detected either
Requests from on-chip peripheral modules (serial communications interface (SCI), and 16-
Auto-request (the transfer request is generated automatically within the DMAC)
20 M words/s (320 MB/s)
by edge or by level)
bit integrated-timer pulse unit (ITU))
For 5V and 20 MHz
Bus mode: Burst mode
Transmit size: Word
Block Diagram