HD64F3644WV Renesas Electronics America, HD64F3644WV Datasheet - Page 122
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
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F3644WV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 5 Power-Down Modes
5.8
The CPU can execute programs in three modes: active (high-speed) mode, active (medium-speed)
mode, and subactive mode. A direct transfer is a transition among these three modes without the
stopping of program execution. A direct transfer can be made by executing a SLEEP instruction
while the DTON bit in SYSCR2 is set to 1. After the mode transition, direct transfer interrupt
exception handling starts.
If the direct transfer interrupt is disabled in interrupt enable register 2, a transition is made instead
to sleep mode or watch mode. Note that if a direct transition is attempted while the I bit in CCR is
set to 1, sleep mode or watch mode will be entered, and it will be impossible to clear the resulting
mode by means of an interrupt.
Rev. 6.00 Sep 12, 2006 page 100 of 526
REJ09B0326-0600
Direct transfer from active (high-speed) mode to active (medium-speed) mode
When a SLEEP instruction is executed in active (high-speed) mode while the SSBY and
LSON bits in SYSCR1 are cleared to 0, the MSON bit in SYSCR2 is set to 1, and the DTON
bit in SYSCR2 is set to 1, a transition is made to active (medium-speed) mode via sleep mode.
Direct transfer from active (medium-speed) mode to active (high-speed) mode
When a SLEEP instruction is executed in active (medium-speed) mode while the SSBY and
LSON bits in SYSCR1 are cleared to 0, the MSON bit in SYSCR2 is cleared to 0, and the
DTON bit in SYSCR2 is set to 1, a transition is made to active (high-speed) mode via sleep
mode.
Direct transfer from active (high-speed) mode to subactive mode
When a SLEEP instruction is executed in active (high-speed) mode while the SSBY and
LSON bits in SYSCR1 are set to 1, the DTON bit in SYSCR2 is set to 1, and the TMA3 bit in
TMA is set to 1, a transition is made to subactive mode via watch mode.
Direct transfer from subactive mode to active (high-speed) mode
When a SLEEP instruction is executed in subactive mode while the SSBY bit in SYSCR1 is
set to 1, the LSON bit in SYSCR1 is cleared to 0, the MSON bit in SYSCR2 is cleared to 0,
the DTON bit in SYSCR2 is set to 1, and the TMA3 bit in TMA is set to 1, a transition is made
directly to active (high-speed) mode via watch mode after the waiting time set in SYSCR1 bits
STS2 to STS0 has elapsed.
Direct transfer from active (medium-speed) mode to subactive mode
When a SLEEP instruction is executed in active (medium-speed) while the SSBY and LSON
bits in SYSCR1 are set to 1, the DTON bit in SYSCR2 is set to 1, and the TMA3 bit in TMA
is set to 1, a transition is made to subactive mode via watch mode.
Direct Transfer
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