HD64F2676VFC33 Renesas Electronics America, HD64F2676VFC33 Datasheet - Page 702

• Manufacturer Part Number: HD64F2676VFC33
• Description: IC H8S MCU FLASH 256K 144-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2600r

Specifications of HD64F2676VFC33

• Core Processor: H8S/2600
• Core Size: 16-Bit
• Speed: 33MHz
• Connectivity: IrDA, SCI
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 103
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 12x10b; D/A 4x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 144-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Section 14 Watchdog Timer
14.2
Table 14.1 shows the WDT pin configuration.
Table 14.1 Pin configuration
Name
Watchdog timer overflow
14.3
The WDT has the following three registers. To prevent accidental overwriting, TCSR, TCNT, and
RSTCSR have to be written to in a method different from normal registers. For details, refer to
section 14.6.1, Notes on Register Access.
Rev. 3.00 Mar 17, 2006 page 650 of 926
REJ09B0283-0300
Timer counter (TCNT)
Timer control/status register (TCSR)
Reset control/status register (RSTCSR)
Register Descriptions
Input/Output Pin
Internal reset signal *
(interrupt request
Legend:
TCSR
TCNT
RSTCSR
Note: * An internal reset signal can be generated by the register setting.
WDTOVF
signal)
WOVI
: Timer control/status register
: Timer counter
: Reset control/status register
Figure 14.1 Block Diagram of WDT
Symbol
WDTOVF
RSTCSR
Interrupt
control
control
Reset
I/O
Output
Overflow
Module bus
TCNT
Function
Outputs counter overflow signal in watchdog
timer mode
Clock
WDT
select
Clock
TSCR
Internal clock
sources
interface
Bus
/2
/64
/128
/512
/2048
/8192
/32768
/131072