HD64F3644H Renesas Electronics America, HD64F3644H Datasheet - Page 257
HD64F3644H
Manufacturer Part Number
HD64F3644H
Description
IC H8 MCU FLASH 32K 64-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Lr
Datasheet
1.HD64F3644HV.pdf
(551 pages)
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
-
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Contention between Compare Match A and B: If compare match A and B occur
simultaneously, any conflict between the output selections for compare match A and compare
match B is resolved by following the priority order in table 9.12.
Table 9.12 Timer Output Priority Order
Output Setting
Toggle output
1 output
0 output
No change
Internal Clock Switching and Counter Operation: Depending on the timing, TCNTV may be
incremented by a switch between different internal clock sources. Table 9.13 shows the relation
between internal clock switchover timing (by writing to bits CKS1 and CKS0) and TCNTV
operation.
When TCNTV is internally clocked, an increment pulse is generated from the falling edge of an
internal clock signal, which is divided from the system clock ( ). For this reason, in a case like
No. 3 in table 9.13 where the switch is from a high clock signal to a low clock signal, the
switchover is seen as a falling edge, causing TCNTV to increment.
TCNTV can also be incremented by a switch between internal and external clocks.
Priority
High
Low
Rev. 6.00 Sep 12, 2006 page 235 of 526
REJ09B0326-0600
Section 9 Timers
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