
PEDL87V3116-02
OKI Semiconductor
ML87V3116
17/47
2.2.4 Display Data Area Partition, Display/Hide
The effective data area of the display output can be divided into four partitions. Horizontal division or vertical
division can be selected, and the data buffer address of data to be displayed in each of the four areas can be
specified individually.
Also, the specified area can be hidden. Hidden areas are not used to read the data buffers.
[Control Registers]
 DASMOD
: Display area partition mode, 1 bit (write/read)
“0”: Horizontal partition, “1”: Vertical partition
 DIVAP1
: Display area 0-1 partition point, 10 bits (write/read)
 DIVAP2
: Display area 1-2 partition point, 10 bits (write/read)
 DIVAP3
: Display area 2-3 partition point, 10 bits (write/read)
 DA0SAX
: Data buffer read start X address for display area 0, 8-pixel units
12 bits (write/read)
 DA0SAY
: Data buffer read start Y address for display area 0, 8-line units
12 bits (write/read)
 DA1SAX
: Data buffer read start X address for display area 1, 8-pixel units
12 bits (write/read)
 DA1SAY
: Data buffer read start Y address for display area 1, 8-line units
12 bits (write/read)
 DA2SAX
: Data buffer read start X address for display area 2, 8-pixel units
12 bits (write/read)
 DA2SAY
: Data buffer read start Y address for display area 2, 8-line units
12 bits (write/read)
 DA3SAX
: Data buffer read start X address for display area 3, 8-pixel units
12 bits (write/read)
 DA3SAY
: Data buffer read start Y address for display area 3, 8-line units
12 bits (write/read)
 DPENB0-3
: Partition area display enable, 4 bits (write/read)
“0”: Display, “1”: Hide (each bit)
 BLKCOL
: Output data in hidden area, 1 bit (write/read)
“0”: All “L”, “1”: All “H”
 DOPSNG
: Positive/negative mode of output data, 4 bits (write/read)
“0”: Normal mode (positive), “1”: All bits reversed (negative)
 DISP
: DISP signal output level, 1 bit (write/read)
“0”: “L” level, “1”: “H” level