US38024-BAG1 Renesas Electronics America, US38024-BAG1 Datasheet - Page 439

• Manufacturer Part Number: US38024-BAG1
• Description: DEV EVALUATION KIT H8/38024
• Manufacturer: Renesas Electronics America
• Series: H8®r
• Type: MCUr

Specifications of US38024-BAG1

• Contents: 2G (Second-generation) Evaluation Board, HEW debugger support, Cable and CD-ROM
• For Use With/related Products: H8/38024
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

13.2.2
LCR is an 8-bit read/write register which performs LCD drive power supply on/off control and
display data control, and selects the frame frequency.
LCR is initialized to H'80 upon reset.
Bit 7—Reserved
Bit 7 is reserved; it is always read as 1 and cannot be modified.
Bit 6—LCD Drive Power Supply On/Off Control (PSW)
Bit 6 can be used to turn the LCD drive power supply off when LCD display is not required in a
power-down mode, or when an external power supply is used. When the ACT bit is cleared to 0,
or in standby mode, the LCD drive power supply is turned off regardless of the setting of this bit.
Bit 6
PSW
0
1
Bit 5—Display Function Activate (ACT)
Bit 5 specifies whether or not the LCD controller/driver is used. Clearing this bit to 0 halts
operation of the LCD controller/driver. The LCD drive power supply is also turned off, regardless
of the setting of the PSW bit. However, register contents are retained.
Bit 5
ACT
0
1
Bit
Initial value
Read/Write
LCD Control Register (LCR)
Description
LCD drive power supply off
LCD drive power supply on
Description
LCD controller/driver operation halted
LCD controller/driver operates
⎯
⎯
7
1
PSW
R/W
6
0
ACT
R/W
5
0
DISP
R/W
4
0
Rev. 8.00 Mar. 09, 2010 Page 417 of 658
CKS3
R/W
3
0
Section 13 LCD Controller/Driver
CKS2
R/W
2
0
CKS1
R/W
REJ09B0042-0800
1
0
(initial value)
(initial value)
CKS0
R/W
0
0