HD64F3642AH Renesas Electronics America, HD64F3642AH Datasheet - Page 112
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HD64F3642AH
Manufacturer Part Number
HD64F3642AH
Description
IC H8 MCU FLASH 16K 64QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Lr
Datasheet
1.HD64F3644HV.pdf
(551 pages)
Specifications of HD64F3642AH
Core Processor
H8/300L
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI
Peripherals
PWM, WDT
Number Of I /o
53
Program Memory Size
16KB (16K 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
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Section 5 Power-Down Modes
5.1.1
The operation mode is selected using the system control registers described in table 5.3.
Table 5.3
Name
System control register 1
System control register 2
System Control Register 1 (SYSCR1)
SYSCR1 is an 8-bit read/write register for control of the power-down modes.
Upon reset, SYSCR1 is initialized to H'07.
Bit 7 Software Standby (SSBY): This bit designates transition to standby mode or watch mode.
Bit 7: SSBY
0
1
Rev. 6.00 Sep 12, 2006 page 90 of 526
REJ09B0326-0600
Bit
Initial value
Read/Write
System Control Registers
System Control Registers
SSBY
R/W
Description
7
0
When a SLEEP instruction is executed in active mode, a transition is made
to sleep mode
When a SLEEP instruction is executed in subactive mode, a transition is
made to subsleep mode
When a SLEEP instruction is executed in active mode, a transition is made
to standby mode or watch mode
When a SLEEP instruction is executed in subactive mode, a transition is
made to watch mode
STS2
R/W
SYSCR1
SYSCR2
Abbreviation
0
6
STS1
R/W
5
0
STS0
R/W
4
0
R/W
R/W
R/W
LSON
R/W
3
0
Initial Value
H'07
H'E0
2
1
MA1
R/W
Address
H'FFF0
H'FFF1
1
1
(initial value)
MA0
R/W
0
1
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