HD6417032F20V Renesas Electronics America, HD6417032F20V Datasheet - Page 239

• Manufacturer Part Number: HD6417032F20V
• Description: SH1 ROMLESS LEAD FREE
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7030r

Specifications of HD6417032F20V

• 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: 4K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 112-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

Detection and DACK Active-Low) (Single Address Mode, Bus Cycle = 2 States + 1 Wait
Figure 9.16 DREQ
Figure 9.17 DREQ
Bus cycle
Bus cycle
Note: When DREQ is negated at the third state of the DMAC cycle, the next DMA
Note: Illustrates the case when DACK is output during the DMAC write cycle.
Detection and DACK Active-Low) (Dual Address Mode, Bus Cycle = 2 States)
DREQ
DREQ
DACK
DACK
CK
CK
transfer will be executed because the sampling is performed at the second state
of the DMAC cycle.
DREQ
DREQ Sampling Timing in Cycle-Steal Mode (Output with DREQ
DREQ
DREQ Sampling Timing in Cycle-Steal Mode (Output with DREQ
DREQ
DREQ
CPU
CPU
CPU
CPU
CPU
CPU
Section 9 Direct Memory Access Controller (DMAC)
State)
DMAC (R) DMAC (W)
T1
DMAC
Tw
T2
Rev. 7.00 Jan 31, 2006 page 211 of 658
CPU
DMAC (W): DMAC write cycle
DMAC (R): DMAC read cycle
CPU
T1
DMAC
Tw
CPU
T2
REJ09B0272-0700
DREQ
DREQ
DREQ Level
DREQ
DREQ
DREQ Level
CPU
CPU