UPD16454A circuit equivalent, mos integrated circuit.
* 5 × 7 dot matrix LCD display controller/driver
* 24 characters × 2 lines, 1/14 duty display
* Interface with CPU 4 bits wise
* On-chip ROM and RAM
*.
CGRAM Address Set
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0
0
0
CGRAM address
DDRAM Address Set
0
1
*
DDRAM address
CGRAM/DDRAM Data Write
1
Write data However, because CGRAM data occupies D0 to D4, D5 to D7 are ignored.
Remark
* in the above table indica.
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