PCF2113X datasheet(13/65 Pages) NXP

13 / 65 page

PCF2113_FAM_4

Product data sheet

Rev. 04 — 4 March 2008

13 of 65

NXP Semiconductors

PCF2113x

LCD controllers/drivers

8.10 Character generator ROM

The Character Generator ROM (CGROM) generates 240 character patterns in a 5

× 8 dot

format from 8-bit character codes. Figure 7, Figure 8, Figure 9 and Figure 10 show the

character sets that are currently implemented.

Fig 6.

DDRAM to display mapping: left shift

Table 7.

Address space and wrap-around operation

Mode

× 24

× 12

Address space

00h to 4Fh

00h to 27h; 40h to 67h

00h to 27h

Read/write wrap-around

(moves to next line)

4Fh to 00h

27h to 40h; 67h to 00h

27h to 00h

Display shift wrap-around

(stays within line)

4Fh to 00h

27h to 00h; 67h to 40h

27h to 00h

04 05

41 42 43 44 45

0A 0B 0C

4A 4B 4C

DDRAM

address

line 1

line 2

2-line display

22 23 24

10 11 12

04 05

02 03

16 17 18

display

position

DDRAM

address

1-line display

mge993

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