DF3048X16V Renesas Electronics America, DF3048X16V Datasheet - Page 197

• 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: -

When a refresh request occurs in the refresh request pending state, the refresh controller acquires
the bus right, then executes a refresh cycle. If another refresh request occurs during execution of
the refresh cycle, it is ignored.
Note:
Refresh
request *
Refresh
request *
*
A refresh request is ignored if it occurs while the refresh controller is requesting the
bus right or executing a refresh cycle.
Figure 7.3 State Transitions for Refresh Cycle Execution
Exit from reset or standby mode
Refresh request pending state
Executing refresh cycle
Requesting bus right
Refresh request
Refresh request
Bus granted
Rev. 7.00 Sep 21, 2005 page 171 of 878
Section 7 Refresh Controller
End of refresh
cycle
REJ09B0259-0700
*