HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 186

• 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: -

166 RENESAS
(c) Refresh cycle + bus cycle
The bus is never released during a refresh cycle and the following bus cycle ((a) or (b)
above)) (figure 8.46).
Figure 8.45 TAS Instruction Read Cycle and Write Cycle
Figure 8.46 Refresh Cycle and Following Bus Cycle
Refresh cycle
Cycle during which bus
is not released
Read cycle
Cycle during which bus is
not released (1 bus cycle)
Write cycle
1 bus cycle