DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 438

• 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: -

Table 13.6 Examples of TCORB (Pulse Width Threshold) Settings
Rev.2.00 May. 28, 2009 Page 398 of 732
REJ09B0059-0200
H'07
H'0F
H'1F
H'3F
H'7F
IHI signal
PDC signal
TCORB
(threshold)
TCNT
φ: 10 MHz
0.8 µs
1.6 µs
3.2 µs
6.4 µs
12.8 µs
Counter reset
caused by
IHI signal
Figure 13.4 Timing Chart for PWM Decoding
IHI signal is tested
at compare-match
φ: 12 MHz
0.67 µs
1.33 µs
2.67 µs
5.33 µs
10.67 µs
Counter clear
caused by
TCNT overflow
At the 2nd compare-match,
IHI signal is not tested
φ: 16 MHz
0.5 µs
1 µs
2 µs
4 µs
8 µs
φ: 20 MHz
0.4 µs
0.8 µs
1.6 µs
3.2 µs
6.4 µs