HD64F3687GH Renesas Electronics America, HD64F3687GH Datasheet - Page 112
HD64F3687GH
Manufacturer Part Number
HD64F3687GH
Description
IC H8 MCU FLASH 56K 64-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300H Tinyr
Datasheet
1.HD64F3684GFPV.pdf
(538 pages)
Specifications of HD64F3687GH
Core Processor
H8/300H
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, SCI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
45
Program Memory Size
56KB (56K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
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 6 Power-Down Modes
6.1.2
SYSCR2 controls the power-down modes, as well as SYSCR1.
Legend: Don't care.
Rev.5.00 Nov. 02, 2005 Page 78 of 500
REJ09B0027-0500
Bit
7
6
5
4
3
2
1
0
Bit Name
SMSEL
LSON
DTON
MA2
MA1
MA0
SA1
SA0
System Control Register 2 (SYSCR2)
Initial
Value
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
Sleep Mode Selection
Low Speed on Flag
Direct Transfer on Flag
These bits select the mode to enter after the execution of
a SLEEP instruction, as well as bit SSBY of SYSCR1.
For details, see table 6.2.
Active Mode Clock Select 2 to 0
These bits select the operating clock frequency in active
and sleep modes. The operating clock frequency
changes to the set frequency after the SLEEP instruction
is executed.
0XX:
100:
101:
110:
111:
Subactive Mode Clock Select 1 and 0
These bits select the operating clock frequency in
subactive and subsleep modes. The operating clock
frequency changes to the set frequency after the SLEEP
instruction is executed.
00:
01:
1X:
W
W
W
/8
/4
OSC
OSC
OSC
OSC
/2
OSC
/8
/16
/32
/64
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