tmp88fw45afg TOSHIBA Semiconductor CORPORATION, tmp88fw45afg Datasheet - Page 34

• Manufacturer Part Number: tmp88fw45afg
• Description: 8 Bit Microcontroller Tlcs-870/x Series
• Manufacturer: TOSHIBA Semiconductor CORPORATION

2.1
Functions of the CPU Core
Example :Placing the device in IDLE mode
(2)
IDLE mode, the device retains the following state.
IDLE mode is controlled by System Control Register 2 (SYSCR2) and a maskable interrupt. During
IDLE mode
(Released normally)
1. The CPU and watchdog timer stop operating.
2. The data memory, register, program status word, and port output latch hold the state in which
3. The program counter holds the instruction address two instructions ahead the one that placed
SET
they were immediately before entering IDLE mode.
the device in IDLE mode.
The peripheral hardware continues operating.
(SYSCR2) . 4
Figure 2-10 IDLE Mode
No
No
Place the device in IDLE
Stop the CPU and WDT
Execute the instruction
next to one that placed
mode (by instruction)
device IDLE mode
Interrupt request ?
Interrupt handling
Reset input ?
Page 20
IMF = 1
Yes
Yes
No
(Released by interrupt)
Yes
Reset
TMP88FW45AFG