hd66789 Renesas Electronics Corporation., hd66789 Datasheet - Page 30

• Manufacturer Part Number: hd66789
• Description: 528-channel, One-chip Driver For Amorphous Tft Panels With 262,144-color Display Ram, Power Supply Circuit, And Gate Circuit
• Manufacturer: Renesas Electronics Corporation.

HD66789
Status Read
The status read instruction reads the internal status of the HD66789.
L7–0: Indicate the position of raster-row driving liquid crystal.
Start Oscillation (R00h)
The start oscillation instruction restarts the oscillator in a halt state during the standby mode. After
executing this instruction, wait at least 10 ms for stabilizing oscillation before issuing a next instruction.
For details, see the “Standby Mode” section.
“0789”H is read out, if this register is forced to read out.
Driver Output Control (R01h)
SS: Select the shift direction of outputs from the source driver. When SS = 0, the shift direction of outputs
is from S1 to S528. When SS = 1, the shift direction of outputs is from S528 to S1. In addition to the shift
direction, the settings for both SS and BGR bits are required to change the assignment of R, G, B dots to
the source driver pins. To assign R, G, B dots to the source driver pins interchangeably from S1, set SS = 0,
BGR = 0. To assign R, G, B dots to the source driver pins interchangeably from S528, set SS = 1, BGR = 1.
GS: Select the shift direction of outputs from the gate driver. The scan order is changeable in accordance
to the scan mode by the gate driver. Select an optimum shift direction for the assembly.
SM: Set the scan order by the gate driver. Select an optimum scan order for the assembly. For details, see
“Scan Mode Setting”.
Rev.0.12, May 09 2003, page 30 of 156
R/W
R/W
R/W
R
W
W
R
RS
RS
RS
0
1
1
1
IB15 IB14 IB13 IB12 IB11 IB10 IB9
IB15 IB14 IB13 IB12 IB11 IB10 IB9
IB15 IB14 IB13 IB12 IB11 IB10 IB9
L7
0
0
VSPL HSPL
L6
0
L5
0
DPL
L4
0
EPL
L3
0
SM
L2
1
GS
L1
1
IB8
IB8
IB8
L0
SS
1
IB7
IB7
IB7
0
0
1
IB6
IB6
IB6
0
0
0
IB5
IB5
IB5
0
0
0
IB4
IB4
IB4
NL4 NL3 NL2
0
0
IB3
IB3
IB3
0
1
IB2
IB2
IB2
0
0
Preliminary
IB1
IB1
IB1
NL1
0
0
IB0
IB0
NL0
IB0
0
1
1