HD64F7051SFJ20V Renesas Electronics America, HD64F7051SFJ20V Datasheet - Page 385

• Manufacturer Part Number: HD64F7051SFJ20V
• Description: MCU 5V 256K J-TEMP PB-FREE QFP-1
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7050r

Specifications of HD64F7051SFJ20V

• Core Processor: SH-2
• Core Size: 32-Bit
• Speed: 20MHz
• Connectivity: EBI/EMI, SCI
• Peripherals: DMA, WDT
• Number Of I /o: 102
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 10K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 168-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 12 Watchdog Timer (WDT)
TCNT
value
Overflow
H'FF
H'00
Time
WT/IT = 1
H'00 written
WOVF = 1
WT/IT = 1
H'00 written
TME = 1
in TCNT
TME = 1
in TCNT
WDTOVF and
internal reset generated
WDTOVF
signal
128
clocks
Internal
reset signal *
512
clocks
WT/IT:
Timer mode select bit
TME:
Timer enable bit
Note: * Internal reset signal occurs only when the RSTE bit is set to 1.
Figure 12.4 Operation in the Watchdog Timer Mode
Rev. 5.00 Jan 06, 2006 page 363 of 818
REJ09B0273-0500