HD64F7050 RENESAS [Renesas Technology Corp], HD64F7050 Datasheet - Page 813

• Manufacturer Part Number: HD64F7050
• Description: 32-Bit RISC Microcomputer SuperH RISC engine Family/
• Manufacturer: RENESAS [Renesas Technology Corp]

Note:
Note: The SH7050 chip is not reset internally, but TCNT and TCSR are reset in the watchdog
Timer Counter (TCNT)
Bit
7–0
Reset Control/Status Register
(RSTCSR)
Bit
7
6
Initial value:
Initial value:
timer.
* Only 0 can be written in bit 7 to clear the flag.
Bit name:
Bit name:
Bit Name
(Count value)
Bit Name
Watchdog timer
overflow flag
(WOVF)
Reset enable
(RSTE)
R/W:
R/W:
Bit:
Bit:
WOVF
R/(W) *
R/W
7
0
7
0
Value
0
1
0
1
RSTE
R/W
R/W
6
0
6
0
Description
No TCNT overflow in watchdog timer mode (Initial value)
[Clearing condition]
Read WOVF when WOVF =1, then write 0 in WOVF
TCNT overflow in watchdog timer mode
No internal reset when TCNT overflows
Internal reset when TCNT overflows
R/W
—
R
5
0
5
0
H'FFFF8611
H'FFFF8613
Appendix A On-Chip Supporting Module Registers
Description
Input count clock value
R/W
—
R
4
0
4
0
Rev. 5.00 Jan 06, 2006 page 793 of 818
R/W
—
R
3
0
3
1
R/W
—
R
2
0
2
1
8
8
REJ09B0273-0500
R/W
—
R
1
0
1
1
(Initial value)
R/W
WDT
WDT
—
R
0
0
0
1