hd66100 Renesas Electronics Corporation., hd66100 Datasheet - Page 445

• Manufacturer Part Number: hd66100
• Description: H8/3867 Series
• Manufacturer: Renesas Electronics Corporation.

LPCR—LCD port control register
430
Duty select, common function select
DTS1
Bit 7
0
0
1
1
Bit
Initial value
Read/Write
DTS0
Note: * These pins function as ports when the setting of SGS3 to SGS0 is 0000 or 0001.
Bit 6
Bit 4
SGX
0
1
0
1
0
1
CMX
Bit 5
Clock enable
0
1
0
1
0
1
0
1
Pins SEG
Pins CL
Note: * SEG32 to SEG29 are external expansion pins.
Duty Cycle
Bit 4
SGX
1/2 duty
1/3 duty
1/4 duty
0
1
Static
1
, CL
32
to SEG
SGS3
Bit 3
2
DTS1
, DO, M
0
0
0
0
0
1
0
*
R/W
7
0
Common Drivers
COM
COM
COM
COM
COM
COM
SGS2
29
Bit 2
Description
*
0
0
0
1
1
*
0
*
COM
4
2
4
3
4
4
to COM
to COM
to COM
to COM
to COM
to COM
SGS1
Bit 1
0
0
1
0
1
*
0
*
DTS0
1
R/W
6
0
SGS0
Bit 0
1
1
1
1
1
1
0
1
*
*
*
*
0
*
COM
COM
COM
to SEG
SEG
Port*
SEG
SEG
SEG
SEG
4
Port
Port
4
4
outputs the same waveform as COM
CMX
R/W
to COM
outputs a non-selected waveform
(Initial value)
32
5
0
29
to SEG
SEG
SEG
SEG
SEG
SEG
2
Port
Port
Port
output the same waveform as COM
28
25
SGX
R/W
to SEG
4
0
SEG
SEG
SEG
SEG
Port
Port
Port
Port
24
21
Use prohibited
Function of Pins SEG
to SEG
SGS3
SEG
Notes
R/W
SEG
SEG
SEG
Port
Port
Port
Port
3
—
3
0
and COM
20
17
H'C0
to SEG
SEG
SEG
SEG
Port
Port
Port
Port
Port
2
SGS2
outputs the same waveform as COM
R/W
16
13
2
0
1
32
to SEG
to SEG
SEG
SEG
SEG
Port
Port
Port
Port
Port
12
9
LCD controller/driver
1
SGS1
R/W
to SEG
1
0
SEG
SEG
Port
Port
Port
Port
Port
Port
8
5
to SEG
SGS0
SEG
SEG
Port
Port
Port
Port
Port
Port
R/W
1
0
0
4
1
* : Don't care
(Initial value)
Notes