144
CHAPTER 8 LOW-POWER CONTROL CIRCUIT
Table 8.3-1 Function Description of Each Bit of the Low-power Consumption Mode Control Register
(LPMCR)
Bit name
Function
bit7
STP:
Stop mode bit
•
This bit indicates switching to the stop mode.
•
When "1" is written to this bit, a switch to the stop mode is performed.
•
Writing "0" in this bit has no effect on operation.
•
This bit is cleared to "0" by a reset or when an interrupt request occurs.
•
The read value of this bit is always "0".
bit6
SLP:
Sleep mode bit
•
This bit indicates switching to a sleep mode.
•
When "1" is written to this bit, a switch to a sleep mode is performed.
•
Writing "0" in this bit has no effect on operation.
•
This bit is cleared to "0" by a reset or when an interrupt request occurs.
•
The read value of this bit is always "0".
bit5
SPL:
Pin state setting bit
(for time-base timer
mode and stop mode)
•
This bit is enabled only in the time-base timer mode and stop mode.
•
When this bit is "0", the level of the external pins is retained.
•
When this bit is "1", the status of the external pins changes to high-impedance.
•
This bit is initialized to "0" by a reset.
bit4
RST:
Internal reset signal
generation bit
•
When "0" is written to this bit, an internal reset signal of three machine cycles is
generated.
•
Writing "1" in this bit has no effect on operation.
•
The read value of this bit is always "1".
bit3
TMD:
Time-base timer
mode bit
•
This bit indicates switching to the time-base timer mode.
•
When "0" is written to this bit in the main clock mode or PLL clock mode, a switch to
time-base timer mode is performed.
•
This bit is cleared to "1" by a reset or when an interrupt request occurs.
•
The read value of this bit is always "1".
bit2
bit1
CG1, CG0:
Bits for selecting
clock count for CPU
temporary halt cycle
•
These bits set the number of CPU clock pulses per cycle to halt the CPU for the CPU
intermittent operation function.
•
The clock supplied to the CPU is stopped for the specified number of pulses after the
execution of each instruction.
•
Four types of clock counts are selectable.
•
These bits are initialized to "00
B
" by a reset.
bit0
Reserved
•
Always write "0" to this bit.
Содержание MB90390 Series
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Страница 17: ...xiii APPENDIX D List of Interrupt Vectors 690 INDEX 695 ...
Страница 18: ...xiv ...
Страница 132: ...104 CHAPTER 5 CLOCKS ...
Страница 152: ...124 CHAPTER 6 CLOCK MODULATOR ...
Страница 210: ...182 CHAPTER 11 TIME BASE TIMER ...
Страница 218: ...190 CHAPTER 12 WATCHDOG TIMER ...
Страница 264: ...236 CHAPTER 14 16 BIT RELOAD TIMER WITH EVENT COUNT FUNCTION ...
Страница 274: ...246 CHAPTER 15 WATCH TIMER ...
Страница 306: ...278 CHAPTER 17 DTP EXTERNAL INTERRUPTS ...
Страница 338: ...310 CHAPTER 18 8 10 BIT A D CONVERTER ...
Страница 364: ...336 CHAPTER 19 UART0 UART1 ...
Страница 398: ...370 CHAPTER 20 UART2 UART3 Figure 20 5 2 ORE Set Timing Receive data RDRF ORE ...
Страница 432: ...404 CHAPTER 20 UART2 UART3 ...
Страница 482: ...454 CHAPTER 22 SERIAL I O ...
Страница 560: ...532 CHAPTER 24 STEPPING MOTOR CONTROLLER ...
Страница 582: ...554 CHAPTER 27 ROM MIRRORING MODULE ...
Страница 632: ...604 CHAPTER 29 EXAMPLES OF SERIAL PROGRAMMING CONNECTION ...
Страница 722: ...694 APPENDIX ...
Страница 723: ...695 INDEX The index follows on the next page This is listed in alphabetic order ...
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