HD6417034B RENESAS [Renesas Technology Corp], HD6417034B Datasheet - Page 366

• Manufacturer Part Number: HD6417034B
• Description: 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

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