Renesas PCA4738L-64A Technical Information PDF herunterladen (Seite 39)

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS

3825 Group

36

LCD Display RAM

Address 004016 to 005316 is the designated RAM for the LCD dis-

play. When “1” are written to these addresses, the corresponding

segments of the LCD display panel are turned on.

LCD Drive Timing

The LCDCK timing frequency (LCD drive timing) is generated in-

ternally and the frame frequency can be determined with the fol-

lowing equation;

(frequency of count source for LCDCK)

(divider division ratio for LCD)

f(LCDCK)=

f(LCDCK)

duty ratio

Frame frequency=

Fig. 33 LCD display RAM map

0

4

01

6

0

4

11

6

0

4

21

6

0

4

31

6

0

4

41

6

0

4

51

6

0

4

61

6

0

4

71

6

0

4

81

6

0

4

91

6

0

4

A1

6

0

4

B1

6

0

4

C1

6

0

4

D1

6

0

4

E1

6

0

4

F1

6

0

5

01

6

0

5

11

6

0

5

21

6

0

5

31

6

B

i

t

Add

ress

S

E

G

1

S

E

G3

S

E

G5

S

E

G7

S

E

G9

S

E

G1

1

S

E

G1

3

S

E

G1

5

S

E

G1

7

S

E

G1

9

S

E

G2

1

S

E

G2

3

S

E

G2

5

S

E

G2

7

S

E

G2

9

S

E

G3

1

S

E

G3

3

S

E

G3

5

S

E

G3

7

S

E

G3

9

76543210

C

O

M

3

COM

0

C

O

M

2

COM

1

C

O

M

0

C

O

M

3

C

O

M

2

C

O

M

1

S

E

G

0

S

E

G2

S

E

G4

S

E

G6

S

E

G8

S

E

G1

0

S

E

G1

2

S

E

G1

4

S

E

G1

6

S

E

G1

8

S

E

G2

0

S

E

G2

2

S

E

G2

4

S

E

G2

6

S

E

G2

8

S

E

G3

0

S

E

G3

2

S

E

G3

4

S

E

G3

6

S

E

G3

8

1 2 ... 34 35 36 37 38 39 40 41 42 43 44 ... 72 73

Kommentare zu diesen Handbüchern

Keine Kommentare

Renesas PCA4738L-64A Technical Information Seite 39

Kommentare zu diesen Handbüchern

Verwandte Produkte und Handbücher für Prozessoren Renesas PCA4738L-64A