SH7203 Datasheet, PDF (1305/1686 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7200 Series

Section 24 LCD Controller (LCDC)
(3) Power-Supply Control for TFT Panels
(in) DON register
(out) VCPWC pin
Start power supply
(out) Display data,
timing signal
00
Start power cutoff
Arbitrary
00
VCPE = ON
(out) VEPWC pin
(out) LCD_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
≠00b, 11b
11b
LCD module active
≠00b, 11b
00b
LCD module
stopped
Figure 24.6 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
00
(out) VEPWC pin
(out) LCD_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
00
(f) 0 frame
(e) 0 frame
(d) 0 frame
00b
LCD module stopped
VCPE = OFF
VEPE = OFF
DONE = OFF
Figure 24.7 Power-Supply Control Sequence and States of the LCD Module
Rev. 2.00 Apr. 16, 2008 Page 1275 of 1652
REJ09B0313-0200