US38024-BAG1 Renesas Electronics America, US38024-BAG1 Datasheet - Page 327
US38024-BAG1
Manufacturer Part Number
US38024-BAG1
Description
DEV EVALUATION KIT H8/38024
Manufacturer
Renesas Electronics America
Series
H8®r
Type
MCUr
Datasheet
1.US38024-BAG1.pdf
(684 pages)
Specifications of US38024-BAG1
Contents
2G (Second-generation) Evaluation Board, HEW debugger support, Cable and CD-ROM
For Use With/related Products
H8/38024
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
- Current page: 327 of 684
- Download datasheet (5Mb)
9.6.2
Timer Control/Status Register W (TCSRW)
TCSRW is an 8-bit read/write register that controls write access to TCW and TCSRW itself,
controls watchdog timer operations, and indicates operating status.
Bit 7—Bit 6 Write Disable (B6WI)
Bit 7 controls the writing of data to bit 6 in TCSRW.
Bit 7
B6WI
0
1
This bit is always read as 1. Data written to this bit is not stored.
Bit 6—Timer Counter W Write Enable (TCWE)
Bit 6 controls the writing of data to TCW.
Bit 6
TCWE
0
1
Bit
Initial value
Read/Write
Notes: 1. Write is enabled only under certain conditions, which are given in the descriptions
Register Descriptions
2. Initial value is 0 on H8/38024, H8/38024S, and H8/38024R Group; initial value
of the individual bits.
is 1 on H8/38124 Group.
Description
Bit 6 is write-enabled
Bit 6 is write-protected
Description
Data cannot be written to TCW
Data can be written to TCW
B6WI
R
7
1
(R/W)
TCWE
6
0
*1
B4WI
R
5
1
TCSRWE
(R/W)
4
0
*1
Rev. 8.00 Mar. 09, 2010 Page 305 of 658
B2WI
R
3
1
WDON
(R/W)
0/1
2
*2
*1
B0WI
REJ09B0042-0800
Section 9 Timers
R
1
1
(initial value)
(initial value)
(R/W)
WRST
0
0
*1
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