tmp89fm42a TOSHIBA Semiconductor CORPORATION, tmp89fm42a Datasheet - Page 57

• Manufacturer Part Number: tmp89fm42a
• Description: 8 Bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

2.3
System clock controller
RA000
Table 2-6 Oscillation Start Operation at Release of the STOP Mode
Operation mode before the
2.3.6.2
Single-clock
Dual-clock
STOP mode is started
mode
mode
interrupts. The following states are maintained during these modes.
The IDLE1/2 and SLEEP1 modes are controlled by the system control register 2 (SYSCR2) and maskable
IDLE1/2 and SLEEP1 modes
NORMAL1
NORMAL2
SLOW1
1. The CPU and the watchdog timer stop their operations. The peripheral circuits continue to operate.
2. The data memory, the registers, the program status word and the port output latches are all held
3. The program counter holds the address of the instruction 2 ahead of the instruction which starts
in the status in effect before IDLE1/2 or SLEEP1 mode was started.
the IDLE1/2 or SLEEP1 mode.
High-frequency ref-
high-frequency
high-frequency
high-frequency
high-frequency
erence clock
External
External
Internal
Internal
clock
clock
clock
clock
-
reference clock
Low-frequency
low-frequency
low-frequency
low-frequency
External
External
External
clock
clock
clock
-
-
Page 38
The internal high-frequency clock oscillation circuit starts oscillation.
The external high-frequency clock oscillation circuit is inactive.
The external low-frequency clock oscillation circuit is inactive.
The internal high-frequency clock oscillation circuit is inactive.
The external high-frequency clock oscillation circuit starts oscillation.
The external low-frequency clock oscillation circuit is inactive.
The internal high-frequency clock oscillation circuit starts oscillation.
The external high-frequency clock oscillation circuit is inactive.
The external low-frequency clock oscillation circuit starts oscillation.
The internal high-frequency clock oscillation circuit is inactive.
The external high-frequency clock oscillation circuit starts oscillation.
The external low-frequency clock oscillation circuit starts oscillation.
The internal high-frequency clock oscillation circuit is inactive.
The external high-frequency clock oscillation circuit is inactive.
The external low-frequency clock oscillation circuit starts oscillation.
Oscillation start operation after release
TMP89FM42A