HD6417034B RENESAS [Renesas Technology Corp], HD6417034B Datasheet - Page 650

• Manufacturer Part Number: HD6417034B
• Description: 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Appendix A On-Chip Supporting Module Registers
Table A.53 RSTCSR Bit Functions
Bit
7
6
5
Note: * The microprocessor is not reset internally, but TCNT and TCSR within the WDT are reset.
A.2.53
Start Address: H'5FFFFBC
Bus Width: 8/16/32
Bit
Initial value
Read/Write
Table A.54 SBYCR Bit Functions
Bit
7
6
Rev. 7.00 Jan 31, 2006 page 624 of 658
REJ09B0272-0700
Bit Name
Watchdog timer overflow flag
(WOVF)
Reset enable (RSTE)
Reset select (RSTS)
Bit Name
Standby (SBY)
Port high impedance (HIZ)
Standby Control Register (SBYCR)
SBY
R/W
7
0
R/W
HIZ
6
0
Value
0
1
0
1
Value
0
1
0
1
0
1
—
—
5
0
Description
Shift to sleep mode on execution of SLEEP
instruction
Shift to standby mode on execution of SLEEP
instruction
Pin states held in standby mode
Pins change to high impedance in standby mode
Description
No TCNT overflow in watchdog timer mode
Clear Condition: WOVF read, then 0 written in
WOVF
TCNT overflow generated in watchdog timer
mode
No internal reset when TCNT overflows *
Internal reset when TCNT overflows
Power-on reset
Manual reset
—
—
4
1
—
—
3
1
—
—
2
1
Power-Down State
—
—
1
1
(Initial value)
(Initial value)
(Initial value)
(Initial value)
(Initial value)
—
—
0
1