HD6417034AFI20 Renesas Electronics America, HD6417034AFI20 Datasheet - Page 368

• Manufacturer Part Number: HD6417034AFI20
• Description: IC SUPERH MPU ROMLESS 112QFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7030r

Specifications of HD6417034AFI20

• Core Processor: SH-1
• Core Size: 32-Bit
• Speed: 20MHz
• Connectivity: EBI/EMI, SCI
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Type: ROMless
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 112-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -

Section 12 Watchdog Timer (WDT)
12.1.2
Figure 12.1 shows a 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. 7.00 Jan 31, 2006 page 340 of 658
REJ09B0272-0700
TCSR: Timer control/status register
TCNT: Timer counter
RSTCSR: Reset control/status register
Note: * The internal reset signal can be generated by a register setting. The type of reset can be
reset signal *
WDTOVF
(interrupt
Internal
signal)
Block Diagram
Pin Configuration
selected (power-on or manual reset).
ITI
RSTCSR
Interrupt
control
control
Reset
Abbreviation
WDTOVF
Figure 12.1 Block Diagram of WDT
Overflow
Module bus
TCNT
O
I/O
Clock
WDT
Function
Outputs the counter overflow signal in
watchdog mode
select
Clock
TCSR
clock sources
Internal
interface
Bus
/2
/64
/128
/256
/512
/1024
/4096
/8192