TMP92C820FG Datasheet, PDF (246/382 Pages) Toshiba Semiconductor – Original CMOS 16-Bit Microcontroller

TMP92C820
LCDCTL
(0203H)
LCD Control Register
7
6
5
4
Bit symbol
Read/Write
After reset
Function
LCDON
R/W
0
DOFF port
0: OFF
1: ON
ALL0
FRMON
R/W
R/W
0
0
LD bus
Divided FR
output
mode
control
0: Disable
0: Normal _{1: Enable}
1: All display
data = 0
−
R/W
0
Always
write “0”.
3
FP9
R/W
0
Setting
bit9 for
f_FP [9:0]
2
1
MMULCD
FP8
R/W
R/W
0
0
Type
selection
of LCD driver
with
Setting
bit8 for
f_FP [9:0]
built-in RAM
0: Sequential
access type
1: Random
access type
0
START
R/W
0
Start
control in
SR mode
0: Stop
1: Start
LCDC start/stop bit
0 LCDC stop
1 LCDC start
RAM internal LCD driver TYPE selection
0 Sequential access type
1 Random access type
Flame frequency division mode
0 Disable
1 Enable
LD bus output control
0 Normal
1 All “0”
Note: This bit is forced setting it to “0” (light OFF) by
writing “1” that data transfer to LCDD.
Usually, writing “0”.
Pin of LCD driver: DOFF
0 Driver OFF
1 Driver ON
Note: This bit decide state of DOFF pin.
Case of “0”: output “0”
Case of “1”: output “1”
Figure 3.14.2 LCDC Control Register 1
92C820-244
2007-02-16