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ML610471/472/473/Q471/Q472/Q473 User's Manual
Chapter 4 MCU Control Function
4-4
4.2.3 Standby Control Register (SBYCON)
Address: 0F009H
Access: W
Access size: 8-bit
Initial value: 00H
7 6 5 4 3 2 1 0
SBYCON
— — — — — —
STP HLT
W W W W W W W W W
Initial value
0 0 0 0 0 0 0 0
SBYCON is a special function register (SFR) to control operating mode of MCU.
[Description of Bits]
•
STP
(bit 1)
The STP bit is used for setting the STOP mode. When the STP bit is set to “1” with the stop code adapter
enabled by using STPACP, the mode is changed to the STOP mode. When any of the P00 to P04 interrupt
requests enabled by the Interrupt Enable Register 1 (IE1) occurs or an external 8 interrupt request enabled by the
Interrupt Enable Register 2 (IE2) occurs, the STP becomes "0" and the operation returns to the program run
mode.
•
HLT
(bit 0)
The HALT bit is used for setting a HALT mode. When the HALT bit is set to “1”, the mode is changed to the
HALT mode. When the WDT interrupt request or enabled (the interrupt enable flag is “1”) interrupt request is
issued, the HALT bit is set to “1” and the mode is returned to program run mode.
STP
HLT
Description
0
0
Program run mode (initial value)
0 1
HALT
Mode
1 0
STOP mode
1 1
Prohibited
Note:
The mode cannot be changed to HALT mode or STOP mode on the condition of that both any interrupt enable flag
and the corresponding interrupt request flag are “1”(An interrupt request occurrence with resetting MIE flag will
have the condition).
When a maskable interrupt source (interrupt with enable bit) occurs while the MIE flag of the program status word
(PSW) in the nX-U8/100 core is “0”, the STOP mode and the HALT mode are simply released and interrupt
processing is not performed. For details of PSW, see “nX-U8/100 Core Instruction Manual”.
Содержание ML610472
Страница 12: ...Chapter 1 Overview...
Страница 38: ...Chapter 2 CPU and Memory Space...
Страница 44: ...Chapter 3 Reset Function...
Страница 48: ...Chapter 4 MCU Control Function...
Страница 62: ...Chapter 5 Interrupts...
Страница 82: ...Chapter 6 Clock Generation Circuit...
Страница 94: ...Chapter 7 Time Base Counter...
Страница 105: ...Chapter 8 Capture...
Страница 114: ...Chapter 9 Timer...
Страница 133: ...Chapter 10 Watchdog Timer...
Страница 141: ...Chapter 11 UART...
Страница 164: ...Chapter 12 Port 0...
Страница 173: ...Chapter 13 Port 2...
Страница 180: ...Chapter 14 Port 3...
Страница 188: ...Chapter 15 Port 4...
Страница 199: ...Chapter 16 Port 6...
Страница 205: ...Chapter 17 RC Oscillation Type A D Converter...
Страница 225: ...Chapter 18 LCD Drivers...
Страница 243: ...Chapter 19 Power Supply Circuit...
Страница 245: ...Chapter 20 uEASE Flash Writer System...
Страница 249: ...Chapter 21 Software Development...
Страница 258: ...Appendixes...
Страница 280: ...Revision History...