DF70844AD80FPV Renesas Electronics America, DF70844AD80FPV Datasheet - Page 474

• Manufacturer Part Number: DF70844AD80FPV
• Description: IC SUPERH MCU FLASH 112LQFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7080r

Specifications of DF70844AD80FPV

• Core Size: 32-Bit
• Program Memory Size: 256KB (256K x 8)
• Core Processor: SH-2
• Speed: 80MHz
• Connectivity: EBI/EMI, FIFO, I²C, SCI, SSU
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 76
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 112-LQFP
• No. Of I/o's: 76
• Ram Memory Size: 16KB
• Cpu Speed: 80MHz
• Digital Ic Case Style: LQFP
• Supply Voltage Range: 3V To 3.6V, 4.5V To 5.5V
• Embedded Interface Type: I2C, SCI
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: R0K570865S001BE - KIT STARTER FOR SH7086R0K570865S000BE - KIT STARTER FOR SH7086HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

Section 10 Direct Memory Access Controller (DMAC)
Rev. 3.00 May 17, 2007 Page 416 of 1582
REJ09B0181-0300
Figure 10.15 Example of DREQ Input Detection in Cycle Steal Mode Level Detection
Figure 10.16 Example of DREQ Input Detection in Burst Mode Edge Detection
CK
Bus cycle
DREQ
(Overrun 0,
high-level)
DACK
(Active-high)
CK
Bus cycle
DREQ
(Overrun 1,
high-level)
DACKn
(Active-high)
CK
DREQ
(Rising edge)
DACK
(Active-high)
Bus cycle
1st acceptance
1st acceptance
Non-sensitive period
Non-sensitive period
CPU
CPU
Burst acceptance
CPU
CPU
CPU
CPU
2nd acceptance
Non-sensitive period
DMAC
Non-sensitive period
DMAC
Acceptance started
DMAC
2nd acceptance
CPU
Acceptance started
CPU
DMAC