h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 427

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

WOVI
(interrupt request
signal)
Internal NMI
(interrupt request
signal) *
Legend:
TCSR: Timer control/status register
TCNT: Timer counter
Notes: 1. For the internal reset signal, the reset of the WDT that overflowed first has priority.
Internal reset
signal *
2
2. The internal NMI interrupt request signal can be output independently by either WDT0 or
1
WDT1. The interrupt controller does not distinguish between NMI interrupt requests from
WDT0 and WDT1.
Interrupt
control
control
Reset
Figure 14.1 (b) Block Diagram of WDT1
Overflow
Module bus
TCNT
Clock
WDT
Rev. 4.00 Jun 06, 2006 page 373 of 1004
select
Clock
TCSR
Section 14 Watchdog Timer (WDT)
Internal clock
source
interface
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Bus
REJ09B0301-0400
SUB
SUB
SUB
SUB
SUB
SUB
SUB
SUB
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