tmp19a44fda TOSHIBA Semiconductor CORPORATION, tmp19a44fda Datasheet - Page 30

• Manufacturer Part Number: tmp19a44fda
• Description: 32bit Tx System Risc
• Manufacturer: TOSHIBA Semiconductor CORPORATION

5.
*: CG is not initialized when the mode is shifted from backup to normal.
Clock/Standby Control
(I/O selective operation)
(I/O selection operation)
IDLE mode
(CPU stop)
(I/O selective operation)
BACKUP SLEEP mode
SLEEP mode (fs only)
IDLE mode
(CPU stop)
SLEEP mode
IDLE mode
(CPU stop)
(fs only)
(fs only)
Clock/Standby Control (CG)
reduce power consumption. (c) State Transition Diagram of BACKUP Mode
The system operation modes contain the standby modes in which the processor core operations are stopped to
Fig. 5.1 State Transition Diagram of Each Operation Mode is shown below.
Instruction
Instruction
Interrupt
Instruction
Instruction
Interrupt
Instruction
Instruction
Interrupt
Interrupt
Fig. 5.1 State Transition Diagram of Each Operation Mode
Instruction
Interrupt
Interrupt
Instruction
(a) State Transition Diagram of Single Clock Mode
(b) State Transition Diagram of Dual Clock Mode
(c) State Transition Diagram of BACKUP Mode
Interrupt
NORMAL mode
NORMAL mode
(fc/gear value)
TMP19A44(rev1.3) 5-1
(fc/gear value)
SLOW mode
SLOW mode
NORMAL mode
(fc/gear value)
Instruction
Reset
Instruc-
Reset
Reset
tion
(fs)
(fs)
*
Reset has been performed
Reset has been performed.
Reset has been performed
Interrupt
Interrupt
Instruction
Instruction
Interrupt
Interrupt
Instruction
Interrupt
Instruction
Instruction
BACKUP STOP mode
Main power on
(Entire circuit stop)
(Entire circuit stop)
STOP mode
STOP mode
STOP mode
TMP19A44
2010-04-01