HD64F3644H Renesas Electronics America, HD64F3644H Datasheet - Page 236

IC H8 MCU FLASH 32K 64-QFP

HD64F3644H

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

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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Section 9 Timers
Auto-Reload Timer Operation: Setting bit TMB17 in TMB1 to 1 causes timer B1 to function as
an 8-bit auto-reload timer. When a reload value is set in TLB1, the same value is loaded into
TCB1, becoming the value from which TCB1 starts its count.
After the count value in TCB1 reaches H'FF, the next clock signal input causes timer B1 to
overflow. The TLB1 value is then loaded into TCB1, and the count continues from that value. The
overflow period can be set within a range from 1 to 256 input clocks, depending on the TLB1
value.
The clock sources and interrupts in auto-reload mode are the same as in interval mode.
In auto-reload mode (TMB17 = 1), when a new value is set in TLB1, the TLB1 value is also set in
TCB1.
Event Counter Operation: Timer B1 can operate as an event counter, counting rising or falling
edges of an external event signal input at pin TMIB. External event counting is selected by setting
bits TMB12 to TMB10 in timer mode register B1 (TMB1) to all 1s (111).
When timer B1 is used to count external event input, bit INTEN6 in IENR3 should be cleared to 0
to disable INT
9.3.4
Table 9.7 summarizes the timer B1 operation states.
Table 9.7
Operation Mode
TCB1 Interval
TMB1
Rev. 6.00 Sep 12, 2006 page 214 of 526
REJ09B0326-0600
Auto reload
Timer B1 Operation States
Timer B1 Operation States
6
interrupt requests.
Reset
Reset
Reset
Reset
Active
Functions
Functions
Functions
Sleep
Functions
Functions
Retained
Watch
Halted
Halted
Retained
Sub-
active
Halted
Halted
Retained Retained Retained
Halted
Halted
Sub-
sleep
Standby
Halted
Halted

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