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H8/3003 Datasheet(PDF) 657 Page - Renesas Technology Corp

Part # H8/3003
Description  microcontroller (MCU)
PDF  715 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8/3003 Datasheet(HTML) 657 Page - Renesas Technology Corp

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TCSR—Timer Control/Status Register
H'A8
WDT
Bit
Initial value
Read/Write
7
OVF
0
R/(W)
6
WT/
0
R/W
5
TME
0
R/W
4
—
1
—
3
—
1
—
0
CKS0
0
R/W
2
CKS2
0
R/W
1
CKS1
0
R/W
Overflow flag
Timer mode select
IT
0
[Clearing condition]
Read OVF when OVF = 1, then write 0 in OVF
1
[Setting condition]
TCNT changes from H'FF to H'00
0
Interval timer: requests interval timer interrupts
1
Watchdog timer: generates a reset signal
Clock select 2 to 0
0
1
ø/2
ø/32
ø/64
ø/128
ø/256
ø/512
ø/2048
0
1
0
1
0
1
0
1
0
1
0
ø/4096
1
Timer enable
0
Timer disabled
•
1
Timer enabled
TCNT is initialized to H'00 and halted
•
•
TCNT is counting
CPU interrupt requests are enabled
Note:
Only 0 can be written, to clear the flag.
*
*
639



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