HD64F3664FPV Renesas Electronics America, HD64F3664FPV Datasheet - Page 221

IC H8/3664 MCU FLASH 32K 64LQFP

HD64F3664FPV

Manufacturer Part Number
HD64F3664FPV
Description
IC H8/3664 MCU FLASH 32K 64LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300H Tinyr
Datasheets

Specifications of HD64F3664FPV

Core Size
16-Bit
Program Memory Size
32KB (32K x 8)
Oscillator Type
External
Core Processor
H8/300H
Speed
16MHz
Connectivity
I²C, SCI
Peripherals
PWM, WDT
Number Of I /o
29
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Operating Temperature
-20°C ~ 75°C
Package / Case
64-LQFP
No. Of I/o's
29
Ram Memory Size
2KB
Cpu Speed
16MHz
No. Of Timers
4
Digital Ic Case Style
LQFP
Supply Voltage
RoHS Compliant
Controller Family/series
H8/300H
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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0
The watchdog timer is an 8-bit timer that can generate an internal reset signal for this LSI if a
system crash prevents the CPU from writing to the timer counter, thus allowing it to overflow.
The block diagram of the watchdog timer is shown in figure 13.1.
13.1
• Selectable from nine counter input clocks.
• Reset signal generated on counter overflow
13.2
The watchdog timer has the following registers.
• Timer control/status register WD (TCSRWD)
• Timer counter WD (TCWD)
• Timer mode register WD (TMWD)
Eight clock sources (φ/64, φ/128, φ/256, φ/512, φ/1024, φ/2048, φ/4096, and φ/8192) or the
internal oscillator can be selected as the timer-counter clock. When the internal oscillator is
selected, it can operate as the watchdog timer in any operating mode.
An overflow period of 1 to 256 times the selected clock can be set.
Features
Register Descriptions
[Legend]
TCSRWD: Timer control/status register WD
TCWD:
PSS:
TMWD:
oscillator
Internal
Timer counter WD
Prescaler S
Timer mode register WD
Figure 13.1 Block Diagram of Watchdog Timer
Section 13 Watchdog Timer
CLK
PSS
TCSRWD
TCWD
TMWD
Rev. 6.00 Mar. 24, 2006 Page 191 of 412
Section 13 Watchdog Timer
Internal reset
signal
REJ09B0142-0600

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