DF3052BX25V Renesas Electronics America, DF3052BX25V Datasheet - Page 207

• Manufacturer Part Number: DF3052BX25V
• Description: MCU 5V 512K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of DF3052BX25V

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K 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: -

Contention between RTCNT Write and Counter Clear: If a counter clear signal occurs in the
T
performed. See figure 7.20.
3
state of an RTCNT write cycle, clearing of the counter takes priority and the write is not
Address bus
Internal
write signal
Counter
clear signal
RTCNT
Figure 7.20 Contention between RTCNT Write and Clear
RTCNT write cycle by CPU
T
1
RTCNT address
N
T
2
Rev. 3.00 Mar 21, 2006 page 177 of 814
T
3
Section 7 Refresh Controller
H'00
REJ09B0302-0300