HD6417727BP160CV Datasheet, PDF (861/1098 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family/ SH7700 Series

Section 25 LCD Controller
(1) STN, DSTN Power-Supply Control
(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
VEPE = ON
(out) DON pin
Register control
sequence
(c)
(a) 0 frame (b) 1 frame 1 frame
DONE = ON
(d)
1 frame (e) 1 frame (f) 0 frame
(out) LPS register
00b
LCD module
stopped
11b
LCD module active
00b
LCD module
stopped
Figure 25.4 Power-Supply Control Sequence and States of the LCD Module
(2) Power-Supply Control for LCD Panels other than STN or DSTN
(in) DON register
(out) VCPWC pin
Start power supply
Start power cutoff
(Internal signal)
VCPE = OFF
(out) Display data, _Undefined
timing signal
(out) VEPWC pin
Arbitrary
Undefined
(Internal signal)
VEPE = OFF
(out) DON pin
DONE = ON
Register control
sequence
(a) 0 frame
(b) 0 frame
(out) LPS register
00b
LCD module
stopped
(c) 1 frame
11b
LCD module active
(d) 1 frame
(f) 0 frame
(e) 0 frame
00b
LCD module
stopped
Figure 25.5 Power-Supply Control Sequence and States of the LCD Module
Rev.6.00 Mar. 27, 2009 Page 803 of 1036
REJ09B0254-0600