HD64F36912GFH Renesas Electronics America, HD64F36912GFH Datasheet - Page 211

• Manufacturer Part Number: HD64F36912GFH
• Description: IC H8 MCU FLASH 8K 32-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300H Tinyr

Specifications of HD64F36912GFH

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 12MHz
• Connectivity: I²C, SCI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 18
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 32-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

12.5
12.5.1
Figure 12.14 shows the TCNT count timing when the internal clock source is selected. Figure
12.15 shows the timing when the external clock source is selected. The pulse width of the external
clock signal must be at least two system clock ( ) cycles; shorter pulses will not be counted
correctly.
Operation Timing
TCNT Count Timing
Internal
clock
TCNT input
clock
TCNT
External
clock
TCNT input
clock
TCNT
φ
φ
Figure 12.15 Count Timing for External Clock Source
Figure 12.14 Count Timing for Internal Clock Source
Rising edge
N
N
Rising edge
N+1
N+1
Rev. 3.00 Sep. 14, 2006 Page 181 of 408
Rising edge
N+2
N+2
Section 12 Timer W
REJ09B0105-0300