D12312SVF20V Renesas Electronics America, D12312SVF20V Datasheet - Page 458

• Manufacturer Part Number: D12312SVF20V
• Description: IC H8S/2312S MCU ROMLESS 100QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of D12312SVF20V

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• 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-QFP
• For Use With: EDK2329 - DEV EVALUATION KIT H8S/2329
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

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