DF3048BVX25V Renesas Electronics America, DF3048BVX25V Datasheet - Page 189

• Manufacturer Part Number: DF3048BVX25V
• Description: MCU 3/5V 128K PB-FREE 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of DF3048BVX25V

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• 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): 3 V ~ 3.6 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: -

7.1.2
Figure 7.1 shows a block diagram of the refresh controller.
Block Diagram
Legend:
RTCNT:
RTCOR:
RTMCSR:
RFSHCR:
/2, /8, /32,
/128, /512,
/2048, /4096
Clock selector
Comparator
Figure 7.1 Block Diagram of Refresh Controller
Refresh timer counter
Refresh time constant register
Refresh timer control/status register
Refresh control register
Module data bus
Refresh signal
Control logic
Rev. 3.00 Sep 27, 2006 page 161 of 872
Section 7 Refresh Controller
CMI interrupt
REJ09B0325-0300