HD64F3644DV Renesas Electronics America, HD64F3644DV Datasheet - Page 291

• Manufacturer Part Number: HD64F3644DV
• Description: IC H8/3644 MCU FLASH 64QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Lr

Specifications of HD64F3644DV

• Core Processor: H8/300L
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI
• Peripherals: PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

No.
3
4
Note:
Clock Levels Before
and After Modifying
Bits CKS1 and CKS0
Goes from high level
to low level
Goes from high to high
* The switchover is seen as a falling edge, and FRC is incremented.
FRC Operation
Clock before
switching
Clock after
switching
Count clock
FRC
Clock before
switching
Clock after
switching
Count clock
FRC
N
N
Write to CKS1 and CKS0
Rev. 6.00 Sep 12, 2006 page 269 of 526
N + 1
N + 1
*
Write to CKS1 and CKS0
N + 2
N + 2
REJ09B0326-0600
Section 9 Timers