HD6432160 RENESAS [Renesas Technology Corp], HD6432160 Datasheet - Page 366
HD6432160
Manufacturer Part Number
HD6432160
Description
Hitachi 16-Bit Single-Chip Microcomputer
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6432160.pdf
(829 pages)
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Rev. 2.0, 08/02, page 326 of 788
(Interrupt request
(Interrupt request
(Interrupt request signal)
Internal reset
Internal reset
(Interrupt request signal)
Internal NMI
Internal NMI
signal*
signal*
WOVI1
WOVI0
Legend
TCSR_0
TCNT_0
TCSR_1
TCNT_1
Notes: 1. The
signal*
1
signal*
1
signal*
signal*
2. The internal NMI interrupt signal can be independently output from either WDT_0 or WDT_1.
1
1
generated due to a TCNT overflow of either WDT_0 or WDT_1. The internal reset signal
first resets the WDT in which the overflow has occurred first.
The interrupt controller does not distinguish the NMI interrupt request from WDT_0 from
that from WDT_1.
2
2
)
)
: Timer counter_0
: Timer counter_1
: Timer control/status register_0
: Timer control/status register_1
Interrupt
Interrupt
Figure 14.1 Block Diagram of WDT
control
control
control
control
Reset
Reset
signal outputs the low level signal when the internal reset signal is
Overflow
Overflow
Module bus
Module bus
TCNT_1
TCNT_0
Clock
Clock
WDT_0
WDT_1
selection
selection
TCSR_1
Clock
TCSR_0
Clock
Internal clock
Internal clock
ø/2
ø/64
ø/128
ø/512
ø/2048
ø/8192
ø/32768
ø/131072
interface
interface
ø/2
ø/64
ø/128
ø/512
ø/2048
ø/8192
ø/32768
ø/131072
Bus
Bus
øSUB/2
øSUB/4
øSUB/8
øSUB/16
øSUB/32
øSUB/64
øSUB/128
øSUB/256
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