HD64F3644H Renesas Electronics America, HD64F3644H Datasheet - Page 254

• Manufacturer Part Number: HD64F3644H
• Description: IC H8 MCU FLASH 32K 64-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Lr

Specifications of HD64F3644H

• 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: Contains lead / RoHS non-compliant
• Eeprom Size: -

Section 9 Timers
9.4.7
The following types of contention can occur in timer V operation.
Contention between TCNTV Write and Counter Clear: If a TCNTV clear signal is generated
in the T
not carried out. Figure 9.13 shows the timing.
Rev. 6.00 Sep 12, 2006 page 232 of 526
REJ09B0326-0600
3
state of a TCNTV write cycle, clearing takes precedence and the write to the counter is
Application Notes
Address
Internal write
signal
Counter clear
signal
TCNTV
Figure 9.13 Contention between TCNTV Write and Clear
TCNTV write cycle by CPU
T
1
TCNTV address
N
T
2
T
3
H'00