DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 309

• Manufacturer Part Number: DF2437FV
• Description: IC H8S/2437 MCU FLASH 128QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2400r

Specifications of DF2437FV

• Core Processor: H8S/2600
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 85
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 128-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

10.7
10.7.1
If an internal counter clear signal is generated during the state after an FRC write cycle, the clear
signal takes priority and the write is not performed. Figure 10.17 shows the timing for this type of
conflict.
Usage Notes
Conflict between FRC Write and Clear
φ
Address
Internal write
signal
Counter clear
signal
FRC
Figure 10.17 FRC Write-Clear Conflict
Write cycle of FRC
T 1
FRC address
T 2
N
Rev.2.00 May. 28, 2009 Page 269 of 732
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