UPD161622 NEC, UPD161622 Datasheet - Page 83

• Manufacturer Part Number: UPD161622
• Description: 396 OUTPUT TFT-LCD SOURCE DRIVER
• Manufacturer: NEC

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R5
R6
R7
R8
R9
R10
Resistor
D
D
D
D
D
D
D
D
D
D
D
7
6
4
2
1
0
7
7
7
7
7
Bit
to D
to D
to D
to D
to D
0
0
0
0
0
BMD
BSTR
WAS
INC
XDIR
YDIR
XAn
YAn
XMINn
XMAXn
YMINn
Symbol
Window access mode setting
Sets the maximum value of the X address in the window access mode.
Sets the bus width when the parallel interface is used.
0: 16-bit data bus
1: 8-bit data bus
This command is invalid when the serial interface is used.
Sets the write mode for writing data to the display RAM.
If the high-speed RAM write mode is selected, data is written to the display RAM in 64-bit units
inside the
to the display RAM in 64-bit units.
0: Normal write mode (16-bit access)
1: High-speed RAM write mode (64-bit access)
When the window access mode is set, the address is incremented/decremented only in the
range set by the MIN
MIN
0: Normal operation
1: Window access mode
Selects the direction in which the display RAM address is to be incremented/decremented.
Whether the X address and Y address are incremented or decremented is specified by XDIR
(R5: D
0: Access in X address direction
1: Access in Y address direction
Specifies whether the display RAM address is incremented or decremented in the X address
direction.
0: Increments X address
1: Decrements X address
Specifies whether the display RAM address is incremented or decremented in the Y address
direction.
0: X address increment
1: X address decrement
This register sets the X address of the display RAM.
Set a value between 00H and 83H.
This register sets the Y address of the display RAM.
Set a value between 00H and AFH.
Sets the minimum value of the X address in the window access mode.
The X address is incremented up to the maximum value set by the MAX
(R9), and then initialized to the address value set by this command. (R5: XDIR = 0)
Set a value between 00H to 82H.
The X address is incremented up to the maximum value set by the MIN
(R8), and then initialized to the address value set by this command. (R5: XDIR = 0)
Set a value between 01H to 83H.
Sets the minimum value of the T address in the window access mode.
The Y address is incremented up to the maximum value set by the MAX
(R11), and then initialized to the address value set by this command.
(R5: YDIR = 0)
Set a value between 00H to AEH.
.
Y address setting register (R10), and MAX
1
) and YDIR (R5: D
PD161622. When selecting the high-speed RAM write mode, be sure to write data
Data Sheet S15649EJ2V0DS
.
X address setting register (R8), MAX
0
), respectively.
Function
.
Y address setting register (R11).
.
X address setting register (R9),
.
.
.
X address register
X address register
Y address register
PD161622
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