SH7760 Datasheet, PDF (1121/1345 Pages) Renesas Technology Corp – SuperHTM RISC engine

(3) Power-Supply Control for TFT Panels
(in) DON register
(out) VCPWC pin
Start power supply
(out) Display data,
timing signal
Undefined
(out) VEPWC pin
(out) DON pin
Start power cutoff
VCPE = ON
Arbitrary
Undefined
(Internal signal)
VEPE = ON
DONE = OFF
Register control
sequence
(a)=1fr (b)= 6 fr
(out) LPS register
00b
LCD module
stopped
≠00b, 11b
(c)=0 fr
(d)=0 fr (e)= 1 fr ^{(f)=1 fr}
11b
LCD module active
≠00b, 11b
00b
LCD module
stopped
Figure 30.6 Power-Supply Control Sequence and States of the LCD Module
(4) Power Supply Control for LCD panels other than TFT
(in) DON register
(out) VCPWC pin
Start power supply (Internal signal) Start power cutoff
(out) Display data,
timing signal
Undefined
(out) VEPWC pin
(out) DON pin
Register control
sequence
(a)= 0 fr
(b)= 0 fr
(c)= 0 fr
Arbitrary
(Internal signal)
(Internal signal)
Undefined
(f)= 0 fr
(e)= 0 fr
(d)= 0 fr
(out) LPS register
00b
LCD module
stopped
11b
LCD module active
00b
LCD module stopped
VCPE = OFF
VEPE = OFF
DONE = OFF
Figure 30.7 Power-Supply Control Sequence and States of the LCD Module
Rev. 1.0, 02/03, page 1071 of 1294