DF3048X16V Renesas Electronics America, DF3048X16V Datasheet - Page 268

• Manufacturer Part Number: DF3048X16V
• Description: MCU 5V 128K,PB-FREE 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of DF3048X16V

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 16MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b; D/A 2x8b
• 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: -

Section 8 DMA Controller
Figure 8.16 shows the timing when the DMAC is activated by the falling edge of DREQ in normal
mode.
Rev. 7.00 Sep 21, 2005 page 242 of 878
REJ09B0259-0700
Figure 8.16 Timing of DMAC Activation by Falling Edge of DREQ
DREQ
RD
HWR, LWR
Address
bus
T
2
T
CPU cycle
Minimum 4 states
1
T
2
T
1
T
2
T
d
T
1
DMAC cycle
T
2
T
1
Next sampling point
T
2
T
DREQ in Normal Mode
DREQ
DREQ
1
CPU
cycle
T
2
T
DMAC cycle
d
T
1
T
2