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Flash
MCU(HMS39C7092)
Watchdog
Timer
91
7.5
Watchdog
Timer
Register
Descriptions
The
following
registers
are
provided
for
watchdog
timer:
WTCR
Watchdog
Timer
Control
Register
(
0x0900_1100
R/W
)
b31
-
b8
b7
b6
b5
b4
B3
b2
b1
b0
WTCR
Reserved
INTEN
WT/nIT
TMEN
RSTEN
RSTSEL
CKSEL
Reset
-
0
0
0
0
0
0
0
0
Initial
value
:
0x-00
CKSEL
:
Clock
select.
Select
one
of
eight
internal
clock
sources
for
input
to
the
WTCNT.
000
ñ
BCLK
/
2
001
ñ
BCLK
/
8
010
ñ
BCLK
/
32
011
ñ
BCLK
/
64
100
ñ
BCLK
/
256
101
ñ
BCLK
/
512
110
ñ
BCLK
/
2048
111
ñ
BCLK
/
8192
RSTSEL
:
Reset
select
register.
Select
the
type
of
generated
internal
reset
if
the
WTCNT
overflows
in
the
watchdog
timer
mode.
0
-
Power-on
reset
1-
Manual
reset
RSTEN
:
Reset
enable
register.
Select
whether
to
reset
the
chip
internally
or
not
if
the
WTCNT
overflows
in
the
watchdog
timer
mode.
0
-
Disable
1-
Enable
TMEN
:
Timer
enable
register.
Enable
or
disable
the
timer.
0
-
Disable
1-
Enable.
WT/nIT
:
Timer
mode
select
register.
Select
whether
to
use
the
WDT
as
a
watchdog
timer
or
interval
timer.
0
-
Interval
timer
mode
1-
Watchdog
timer
mode
INTEN
:
Interrupt
enable
register.
Enable
or
disable
the
interrupt
request,
WDT
Interrupt.
0
-
Disable
1-
Enable
8-bit
readable
and
writable
register.
The
start
address
of
register
is
0x0900_1100.
Summary of Contents for HMS39C7092
Page 1: ...HMS39C7092 32Bit Embedded Flash MCU User s Manual Version 1 2...
Page 11: ...Flash MCU HMS39C7092 11...
Page 12: ...Flash MCU HMS39C7092 12...
Page 13: ...Flash MCU HMS39C7092 Introduction 13 Chapter 1 Introduction...
Page 27: ...Flash MCU HMS39C7092 ARM7TDMI Core 27 Chapter 2 ARM7TDMI Core...
Page 40: ...BUS Controller Flash MCU HMS39C7092 40...
Page 41: ...Flash MCU HMS39C7092 BUS Controller 41 Chapter 3 BUS Controller...
Page 59: ...Flash MCU HMS39C7092 MCU controller 59 Chapter 4 MCU Controller...
Page 67: ...Flash MCU HMS39C7092 Power Management Unit 67 Chapter 5 Power Management Unit...
Page 77: ...Flash MCU HMS39C7092 Interrupt controller 77 Chapter 6 The Interrupt Controller...
Page 85: ...Flash MCU HMS39C7092 Watchdog Timer 85 Chapter 7 Watchdog Timer...
Page 98: ...Watchdog Timer Flash MCU HMS39C7092 98...
Page 99: ...Flash MCU HMS39C7092 General Purpose Timer 99 Chapter 8 The General Purpose Timer...
Page 118: ...General Purpose Timer Flash MCU HMS39C7092 118...
Page 119: ...Flash MCU HMS39C7092 UART 119 Chapter 9 UART Universal Asynchronous Receiver Transmitter...
Page 137: ...Flash MCU HMS39C7092 GPIO 137 Chapter 10 GPIO General Purpose Input Output...
Page 142: ...GPIO Flash MCU HMS39C7092 142...
Page 143: ...Flash MCU HMS39C7092 On Chip SRAM 143 Chapter 11 On Chip SRAM...
Page 145: ...Flash MCU HMS39C7092 On chip Flash memory 145 Chapter 12 On chip Flash Memory...
Page 173: ...Flash MCU HMS39C7092 A D Converter 173 Chapter 13 A D Converter...
Page 185: ...Flash MCU HMS39C7092 Electrical Characteristics 185...
Page 186: ...Electrical Characteristics Flash MCU HMS39C7092 186 Chapter 14 Electrical Characteristics...
Page 195: ...Flash MCU HMS39C7092 Electrical Characteristics 195...
Page 196: ...Electrical Characteristics Flash MCU HMS39C7092 196...
Page 197: ...A 1 Flash MCU HMS39C7092 197 A 1 Package Dimension...