R5F61525 RENESAS [Renesas Technology Corp], R5F61525 Datasheet - Page 406

• Manufacturer Part Number: R5F61525
• Description: 32-Bit CISC Microcomputer H8SX Family H8SX/1500 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 11 Watchdog Timer (WDT)
11.2
The WDT has the following three registers. To prevent accidental overwriting, TCSR, TCNT, and
RSTCSR have to be written to in a method different from normal registers. For details, see section
11.5.1, Notes on Register Access.
• Timer counter (TCNT)
• Timer control/status register (TCSR)
• Reset control/status register (RSTCSR)
11.2.1
TCNT is an 8-bit readable/writable up-counter. TCNT is initialized to H'00 when the TME bit in
TCSR is cleared to 0.
Rev. 3.00 Mar. 14, 2006 Page 368 of 804
REJ09B0104-0300
Bit
Bit Name
Initial Value
R/W
Register Descriptions
Timer Counter (TCNT)
R/W
7
0
R/W
6
0
R/W
5
0
R/W
4
0
R/W
3
0
R/W
2
0
R/W
1
0
R/W
0
0