HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 407

• Manufacturer Part Number: HD6417660
• Description: Renesas 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

13.3.4
Figure 13.2 shows the transition between modes.
13.3.5
The power dissipation of this LSI can be decreased by turning off the built-in regulator if internal
power V
When TEST_REG pin is low, REG_PD_MAIN pin, REG_PD_BGR pin, and REG_PD_VREF
pin are high, the built-in regulator is turned off, and then internal power V
supplied from the outside.
As a result, an internal power loss in a built-in regulator can be decreased.
Note: * Normal operating modes (clock operating modes 5, 6, and 7) include the module standby function
DD
State Transitions between Modes
Method of turning off the built-in regulator (external V
Software standby mode
(= 1.5 V) is supplied from the outside.
Power supply off
and changing multiplication rate.
PLL stabilization time
Figure 13.2 Transitions between Modes
PLL stabilization time
Normal operating mode*
(PLL on)
Rev. 1.00, 02/04, page 369 of 804
DD
used)
DD
Sleep mode
(= 1.5 V) can be
(PLL on)