HD6417020SX20IV Renesas Electronics America, HD6417020SX20IV Datasheet - Page 220

• 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: -

detection and DACK active low) (Single address mode, bus cycle = 2 states + 1 wait state)
detection and DACK active low) (Dual address mode, bus cycle = 2 states + 1 wait state)
Note:
Figure 9.17 DREQ Sampling Timing in Cycle Steal Mode (Output with DREQ level
Figure 9.18 DREQ Sampling Timing in Cycle Steal Mode (Output with DREQ level
Bus cycle
Bus cycle
DREQ
DACK
DREQ
DACK
When DREQ is negated at the third state of the DMAC cycle, the next DMA transfer will
be executed because the sampling is done at the second state of the DMAC cycle.
CK
CK
CPU
CPU
CPU
CPU
CPU
CPU
T1
T1
DMAC (R)
DMAC
Tw
Tw
T2
T2
T1
DMAC (W)
CPU
DMAC (W): DMAC write cycle
DMAC (R): DMAC read cycle
Tw
T2
T1
DMAC
Tw
CPU
T2
RENESAS 201
CPU
CPU