Datasheet

Table Of Contents
Section 21 LCD Controller/Driver
Rev. 2.00 Jul. 04, 2007 Page 475 of 692
REJ09B0309-0200
Table 21.6 Power-Down Modes and Display Operation
Mode
Reset
Active
Sleep
Watch
Subactive
Subsleep
Standby
Module
Standby
Clock φ Functioning Functioning Functioning Halted Halted Halted Halted Halted*
4
φ
w
Functioning Functioning Functioning Functioning*
5
Functioning*
5
Functioning*
5
Halted*
1
Halted*
4
Display ACT = 0 Halted Halted Halted Halted Halted Halted Halted*
2
Halted
operation
ACT = 1 Halted Displayed Displayed Displayed*
3
*
5
Displayed*
3
*
5
Displayed*
3
*
5
Halted*
2
Halted
Notes: 1. The subclock oscillator does not stop, but clock supply is halted.
2. The LCD drive power supply is turned off regardless of the setting of the PSW bit.
3. Display operation is performed only if φ
W
, φ
W
/2, or φ
W
/4 is selected as the operating
clock.
4. The clock supplied to the LCD stops.
5. When the 32KSTOP bit in SUB32CR is set to 1, the subclock φ
W
halts and display
operation halts.