HD64F3644HV Renesas Electronics America, HD64F3644HV Datasheet - Page 287

• Manufacturer Part Number: HD64F3644HV
• Description: IC H8/3644 MCU FLASH 32K 64QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Lr

Specifications of HD64F3644HV

• 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: -20°C ~ 75°C
• Package / Case: 64-QFP
• Package: 64PQFP
• Family Name: H8
• Maximum Speed: 8 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 45
• Interface Type: SCI
• On-chip Adc: 8-chx8-bit
• Number Of Timers: 4
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

9.5.8
The following types of contention can occur in timer X operation.
1. Contention between FRC write and counter clear
If an FRC clear signal is generated in the T
clearing takes precedence and the write to the counter is not carried out. Figure 9.32 shows the
timing.
Application Notes
Address
Internal write
signal
Counter clear
signal
FRC
Figure 9.32 Contention between FRC Write and Clear
FRC lower byte write cycle
T
1
3
state of a write cycle to the lower byte of FRC,
N
FRC address
T
2
Rev. 6.00 Sep 12, 2006 page 265 of 526
T
3
H'0000
REJ09B0326-0600
Section 9 Timers