Page 22
2. Operational Description
2.2 System Clock Controller
T
5CL8
2.2.4.2 IDLE1/2 mode and SLEEP1/2 mode
IDLE1/2 and SLEEP1/2 modes are controlled by the system control register 2 (SYSCR2) and maskable
interrupts. The following status is maintained during these modes.
1. Operation of the CPU and watchdog timer (WDT) is halted. On-chip peripherals continue to
operate.
2. The data memory, CPU registers, program status word and port output latches are all held in the
status in effect before these modes were entered.
3. The program counter holds the address 2 ahead of the instruction which starts these modes.
Figure 2-10 IDLE1/2 and SLEEP1/2 Modes
Reset
Reset input
“0”
“1” (Interrupt release mode)
Yes
No
No
CPU and WDT are halted
Interrupt request
IMF
Interrupt processing
Normal
release mode
Yes
Starting IDLE1/2 and
SLEEP1/2 modes by
instruction
Execution of the instruc-
tion which follows the
IDLE1/2 and SLEEP1/2
modes start instruction
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Страница 130: ...Page 8 1 4 Pin Names and Functions T5CL8 ...
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Страница 156: ...Page 34 2 Operational Description 2 3 Reset Circuit T5CL8 ...
Страница 186: ...Page 64 5 I O Ports 5 8 Port P7 P77 to P70 T5CL8 ...
Страница 194: ...Page 72 6 Watchdog Timer WDT 6 3 Address Trap T5CL8 ...
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Страница 342: ...Page 220 17 10 bit AD Converter ADC 17 6 Precautions about AD Converter T5CL8 ...
Страница 354: ...Page 232 19 Flash Memory 19 4 Access to the Flash Memory Area T5CL8 ...
Страница 388: ...Page 266 21 Input Output Circuit 21 2 Input Output Ports T5CL8 ...
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Страница 398: ...Page 276 23 Package Dimensions T5CL8 ...
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