HD64F3644WV Renesas Electronics America, HD64F3644WV Datasheet - Page 236
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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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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