D12312SVTEBL25 Renesas Electronics America, D12312SVTEBL25 Datasheet - Page 458

• Manufacturer Part Number: D12312SVTEBL25
• Description: IC H8S MCU ROMLESS 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of D12312SVTEBL25

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: POR, PWM, WDT
• Number Of I /o: 70
• Program Memory Type: ROMless
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Other names: HD6412312SVTEBL25; HD6412312SVTEBL25

Section 11 Watchdog Timer
Rev.7.00 Feb. 14, 2007 page 424 of 1108
REJ09B0089-0700
WDTOVF signal
Internal reset signal
Legend:
WT/IT:
TME:
Notes: 1. The internal reset signal is generated only if the RSTE bit is set to 1.
2. 130 states when the RSTE bit is cleared to 0.
3. The WDTOVF output function is not available in the F-ZTAT versions.
Timer mode select bit
Timer enable bit
H'FF
H'00
TCNT count
*3
*1
WT/IT=1
TME=1
Figure 11.4 Operation in Watchdog Timer Mode
H'00 written
to TCNT
WDTOVF
internal reset are
generated
Overflow
132 states
WOVF=1
518 states
*3
and
*2
WT/IT=1
TME=1
H'00 written
to TCNT
Time