h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 480
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h8s-2635
Manufacturer Part Number
h8s-2635
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2635.pdf
(1547 pages)
- Current page: 480 of 1547
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Section 12 Watchdog Timer
12.2.2
TCSR0
Note: * Only a 0 may be written to this bit to clear the flag.
TCSR1
Notes: 1. Only a 0 may be written to this bit to clear the flag.
TCSR is an 8-bit readable/writable * register. Its functions include selecting the clock source to be
input to TCNT, and the timer mode.
TCSR0 (TCSR1) is initialized to H'18 (H'00) by a reset and in hardware standby mode. It is not
initialized in software standby mode.
Note: * TCSR is write-protected by a password to prevent accidental overwriting. For details see
Rev. 6.00 Feb 22, 2005 page 420 of 1484
REJ09B0103-0600
Bit
Initial value :
R/W
Bit
Initial value :
R/W
2. Subclock functions (subactive mode, subsleep mode, and watch mode) are available in
section 12.2.4, Notes on Register Access.
Timer Control/Status Register (TCSR)
the U-mask and W-mask versions, and H8S/2635 Group only.
:
:
:
:
R/(W) *
R/(W) *
OVF
OVF
7
0
7
0
1
WT/
WT/
R/W
R/W
6
0
6
0
I T
I T
TME
TME
R/W
R/W
5
0
5
0
PSS *
R/W
—
—
4
1
4
0
2
RST/
R/W
—
—
3
1
3
0
N M I
CKS2
CKS2
R/W
R/W
2
0
2
0
CKS1
CKS1
R/W
R/W
1
0
1
0
CKS0
CKS0
R/W
R/W
0
0
0
0
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