Table 19. User-Definable Character Storage Example
鉁?/div>
7
D2
1
0
0
1
1
0
0
1
0
0
0
0
0
0
1
D1
1
0
0
0
1
0
1
1
0
0
1
0
0
0
1
D0
0
1
1
1
0
0
0
1
0
0
0
1
1
1
0
Table 20. Setting a Font Character to RAM Example
ADDRESS CODE
(HEX)
0x05
0x05
0x05
0x05
0x05
0x05
REGISTER DATA
(HEX)
0x8A
0x42
0x61
0x51
0x49
0x46
ACTION BEING PERFORMED
Set font address pointer to the base address of font character RAM02.
1st 7 bits of data: 1000010 goes to font address 0x8A; pointer then autoincrements
to address 0x8B.
2nd 7 bits of data: 1100001 goes to font address 0x8B; pointer then
autoincrements to address 0x8C.
3rd 7 bits of data: 1010001 goes to font address 0x8C; pointer then
autoincrements to address 0x8D.
4th 7 bits of data: 1001001 goes to font address 0x8D; pointer then
autoincrements to address 0x8E.
5th 7 bits of data: 1000110 goes to font address 0x8E; pointer then autoincrements
to address 0x8F.
Table 21. Scan-Limit Register Format
SCAN
LIMIT
Display Digits 0 and 1 Only
Display Digits 0, 1, 2, and 3
ADDRESS CODE
(HEX)
0x03
0x03
REGISTER DATA
D7
X
X
D6
X
X
D5
X
X
D4
X
X
D3
X
X
D2
X
X
D1
X
X
D0
0
1
HEX
CODE
0xX0
0xX1
18
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