DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 403

• 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: -

12.7
12.7.1
TCNT Count Timing:
Figure 12.33 shows TCNT count timing in internal clock operation, and figure 12.34 shows TCNT
count timing in external clock operation.
φ
Internal clock
TCNT
input clock
TCNT
φ
External clock
TCNT
input clock
TCNT
Operation Timing
Input/Output Timing
Figure 12.34 Count Timing in External Clock Operation
Figure 12.33 Count Timing in Internal Clock Operation
Falling edge
N-1
N-1
Falling edge
N
N
Rising edge
Rising edge
Rev.2.00 May. 28, 2009 Page 363 of 732
N+1
N+1
Falling edge
REJ09B0059-0200
N+2
N+2