DF3048X16V Renesas Electronics America, DF3048X16V Datasheet - Page 216

• 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 7 Refresh Controller
Contention between RTCNT Write and Counter Clear: If a counter clear signal occurs in the
T
performed. See figure 7.20.
Rev. 7.00 Sep 21, 2005 page 190 of 878
REJ09B0259-0700
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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
T
3
H'00