HD64F3687GFP Renesas Electronics America, HD64F3687GFP Datasheet - Page 107
![IC H8 MCU FLASH 56K 64-LQFP](/photos/28/61/286107/64-lqfp__plqp0064kc-a_sml.jpg)
HD64F3687GFP
Manufacturer Part Number
HD64F3687GFP
Description
IC H8 MCU FLASH 56K 64-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300H Tinyr
Datasheet
1.HD64F3684GFPV.pdf
(538 pages)
Specifications of HD64F3687GFP
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-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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5.2.2
When the subclock is not used, connect pin X
figure 5.10.
5.3
5.3.1
Prescaler S is a 13-bit counter using the system clock (ø) as its input clock. It is incremented once
per clock period. Prescaler S is initialized to H'0000 by a reset, and starts counting on exit from
the reset state. In standby mode, subactive mode, and subsleep mode, the system clock pulse
generator stops. Prescaler S also stops and is initialized to H'0000. The CPU cannot read or write
prescaler S. The output from prescaler S is shared by the on-chip peripheral modules. The divider
ratio can be set separately for each on-chip peripheral function. In active mode and sleep mode,
the clock input to prescaler S is determined by the division factor designated by MA2 to MA0 in
SYSCR2.
5.3.2
Prescaler W is a 5-bit counter using a 32.768 kHz signal divided by 4 (ø
divided output is used for clock time base operation of timer A. Prescaler W is initialized to H'00
by a reset, and starts counting on exit from the reset state. Even in standby mode, subactive mode,
or subsleep mode, prescaler W continues functioning so long as clock signals are supplied to pins
X
1
and X
2
.
Pin Connection when Not Using Subclock
Prescalers
Prescaler S
Prescaler W
Figure 5.10 Pin Connection when not Using Subclock
X
X
1
2
1
to V
CL
or V
SS
and leave pin X
Open
Rev.5.00 Nov. 02, 2005 Page 73 of 500
V
CL
or V
Section 5 Clock Pulse Generators
SS
W
/4) as its input clock. The
2
open, as shown in
REJ09B0027-0500
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