HD6417020SX20IV Renesas Electronics America, HD6417020SX20IV Datasheet - Page 219

• Manufacturer Part Number: HD6417020SX20IV
• Description: SH 1 CORE 32B MPU, 20MHZ/5V, 100
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7020r

Specifications of HD6417020SX20IV

• 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: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

200 RENESAS
Note: Illustrates the case when DACK is output during the DMAC write cycle.
Figure 9.15 DREQ Sampling Timing in Cycle Steal Mode (Output with DREQ level
Figure 9.16 DREQ Sampling Timing in Cycle Steal Mode (Output with DREQ level
Bus cycle
Bus cycle
DREQ
DREQ
DACK
DACK
detection and DACK active low) (Single address mode, bus cycle = 2 states)
detection and DACK active low) (Dual address mode, bus cycle = 2 states)
CK
CK
CPU
CPU
CPU
CPU
CPU
CPU
DMAC (R) DMAC (W)
DMAC
CPU
DMAC (W): DMAC write cycle
DMAC (R): DMAC read cycle
CPU
CPU
CPU
CPU
CPU
CPU