HD64F3644WV Renesas Electronics America, HD64F3644WV Datasheet - Page 171
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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Hardware Protection: Hardware protection refers to a state in which programming/erasing of
flash memory is forcibly suspended or disabled. At this time, the flash memory control register
(FLMCR) and erase block register (EBR1 and EBR2) settings are cleared.
Details of the hardware protection states are given below.
Item
Programming
voltage (FV
protect
Reset/standby
protect
Notes: 1. Three modes: program-verify, erase-verify, and prewrite-verify.
6.7.9
If an interrupt is generated while the flash memory is being programmed or erased (while the P or
E bit is set in FLMCR), an operating state may be entered in which the vector will not be read
correctly in the exception handling sequence, resulting in program runaway. All interrupt sources
should therefore be masked to prevent interrupt generation while programming or erasing the flash
memory.
2. All blocks are erase-disabled, and individual block specification is not possible.
3. For details, see section 6.9, Flash Memory Programming and Erasing Precautions.
4. For details, see AC Characteristics in section 13, Electrical Characteristics.
Interrupt Handling during Flash Memory Programming/Erasing
PP
)
Description
When 12 V is not being applied to the
FV
are initialized, and the program/erase-
protected state is entered. To obtain
this protection, the V
not exceed the V
voltage. *
In a reset, (including a watchdog timer
reset), and in sleep, subsleep, watch,
and standby mode, FLMCR, EBR1,
and EBR2 are initialized, and the
program/erase-protected state is
entered. In a reset via the RES pin, the
reset state is not reliably entered
unless the RES pin is held low for at
least 20 ms (oscillation settling time) *
after powering on. In the case of a
reset during operation, the RES pin
must be held low for a minimum of 10
system clock cycles (10 ).
PP
pin, FLMCR, EBR1, and EBR2
3
CC
power supply
PP
voltage should
4
Rev. 6.00 Sep 12, 2006 page 149 of 526
Program
Disabled
Disabled
Erase
Disabled *
Disabled *
Functions
REJ09B0326-0600
2
2
Section 6 ROM
Verify *
Disabled
Disabled
1
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