SH7727 Datasheet, PDF (876/1109 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7700 Series

Section 25 LCD Controller
(3) Power-Supply Control for TFT Panels
(in) DON register
(out) VCPWC pin
Start power supply
(out) Display data,
timing signal
Undefined
Start power cutoff
Arbitrary
VCPE = ON
Undefined
(out) VEPWC pin
(out) DON pin
(Internal signal)
VEPE = ON
DONE = OFF
Register control
sequence
(a)
1 frame (b) 6 frame (c)
0 frame
(d)
0 frame
(f)
(e) 1 frame 1 frame
(out) LPS register
00b
LCD module
stopped
11b
LCD module active
00b
LCD module
stopped
Figure 25.6 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
VCPE = OFF
(out) Display data,
timing signal ^Undefined
(out) VEPWC pin
(out) DON pin
Register control
sequence
(a) 0 frame
(b) 0 frame
(c) 0 frame
(out) LPS register
00b
LCD module
stopped
Arbitrary
(Internal signal)
(Internal signal)
11b
LCD module active
Undefined
(f) 0 frame
(e) 0 frame
(d) 0 frame
00b
LCD module stopped
VEPE = OFF
DONE = OFF
Figure 25.7 Power-Supply Control Sequence and States of the LCD Module
Rev. 5.00 Dec 12, 2005 page 804 of 1034
REJ09B0254-0500