hd64338023s Renesas Electronics Corporation., hd64338023s Datasheet - Page 346
hd64338023s
Manufacturer Part Number
hd64338023s
Description
Renesas 8-bit Single-chip Microcomputer Super Low Power Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.HD64338023S.pdf
(697 pages)
- Current page: 346 of 697
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Section 9 Timers
Bit 5—Bit 4 Write Disable (B4WI)
Bit 5 controls the writing of data to bit 4 in TCSRW.
Bit 5
B4WI
0
1
This bit is always read as 1. Data written to this bit is not stored.
Bit 4—Timer Control/Status Register W Write Enable (TCSRWE)
Bit 4 controls the writing of data to bits 2 and 0 in TCSRW.
Bit 4
TCSRWE
0
1
Bit 3—Bit 2 Write Inhibit (B2WI)
Bit 3 controls the writing of data to bit 2 in TCSRW.
Bit 3
B2WI
0
1
This bit is always read as 1. Data written to this bit is not stored.
Bit 2—Watchdog Timer On (WDON)
Bit 2 enables watchdog timer operation.
Rev. 7.00 Mar 10, 2005 page 304 of 652
REJ09B0042-0700
Description
Bit 4 is write-enabled
Bit 4 is write-protected
Description
Data cannot be written to bits 2 and 0
Data can be written to bits 2 and 0
Description
Bit 2 is write-enabled
Bit 2 is write-protected
(initial value)
(initial value)
(initial value)
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