HD64F3644WV Renesas Electronics America, HD64F3644WV Datasheet - Page 279
HD64F3644WV
Manufacturer Part Number
HD64F3644WV
Description
IC H8/3644 MCU FLASH 80TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Lr
Datasheet
1.HD64F3644HV.pdf
(551 pages)
Specifications of HD64F3644WV
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
80-TQFP, 80-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F3644WV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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FRC Count Timing: FRC is incremented by clock input. Bits CKS1 and CKS0 in TCRX can
select one of three internal clock sources ( /2, /8, /32) or an external clock.
Internal clock
Bits CKS1 and CKS0 in TCRX select one of three internal clock sources ( /2, /8, /32)
created by dividing the system clock ( ). Figure 9.20 shows the increment timing.
External clock
External clock input is selected when bits CKS1 and CKS0 are both set to 1 in TCRX. FRC
increments on the rising edge of the external clock. An external pulse width of at least 1.5
system clocks ( ) is necessary. Shorter pulses will not be counted correctly. Figure 9.21 shows
the timing.
FTCI
(external clock
input pin)
FRC input
clock
FRC
Internal
clock
FRC input
clock
FRC
N – 1
Figure 9.21 Increment Timing with External Clock
Figure 9.20 Increment Timing with Internal Clock
N
N
Rev. 6.00 Sep 12, 2006 page 257 of 526
N – 1
REJ09B0326-0600
Section 9 Timers
N + 1
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