HD64F7051SFJ20V Renesas Electronics America, HD64F7051SFJ20V Datasheet - Page 378

• 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)
12.1.2
Figure 12.1 is the block diagram of the WDT.
12.1.3
Table 12.1 shows the pin configuration.
Table 12.1 Pin Configuration
Pin
Watchdog timer overflow
Rev. 5.00 Jan 06, 2006 page 356 of 818
REJ09B0273-0500
reset signal *
WDTOVF
RSTCSR:
(interrupt
Internal
signal)
TCSR:
TCNT:
Block Diagram
Pin Configuration
Note:
ITI
Timer control/status register
Timer counter
Reset control/status register
The internal reset signal can be generated by setting the register.
The type of reset can be selected (power-on or manual).
RSTCSR
Interrupt
control
control
Reset
Abbreviation
WDTOVF
Figure 12.1 WDT Block Diagram
Overflow
Module bus
TCNT
I/O
O
Clock
WDT
Function
Outputs the counter overflow signal in the
watchdog timer mode
select
Clock
TCSR
clock sources
Internal
interface
Bus
/2
/64
/128
/256
/512
/1024
/4096
/8192