vii

6.19

ROW0~ROW127 ...................................................................................................................... 10

6.20

ICONS....................................................................................................................................... 10

6.21

SEG0~SEG127......................................................................................................................... 10

6.22

OSC1 ........................................................................................................................................ 10

6.23

TEST0~TEST13........................................................................................................................ 10

6.24

TEST_IN0 ................................................................................................................................. 10

6.25

NC ............................................................................................................................................. 10

7

FUNCTIONAL BLOCK DESCRIPTIONS ........................................................................................ 11

7.1

Command Decoder and Command Interface....................................................................... 11

7.2

MPU Parallel 6800-series Interface........................................................................................ 11

7.3

MPU Parallel 8080-series interface........................................................................................ 11

7.4

MPU Serial 4-wire Interface....................................................................................................11

7.5

MPU Serial 3-wire Interface....................................................................................................11

7.6

Modes of operation................................................................................................................. 12

7.7

Oscillator Circuit ..................................................................................................................... 12

7.8

LCD Driving voltage Generator and Regulator .................................................................... 13

7.8.1 3X, 4X, 5X and 6X DC-DC voltage converter..................................................................... 13

7.8.2 Voltage Regulator................................................................................................................ 13

7.8.4 Bias Divider.......................................................................................................................... 14

7.8.5 Bias Ratio Selection circuitry ............................................................................................ 14

7.8.6 Self adjust temperature compensation circuitry ............................................................. 14

7.9

Graphic Display Data RAM (GDDRAM)................................................................................. 15

7.10

Reset Circuit ............................................................................................................................ 15

7.11

Display Data Latch.................................................................................................................. 16

7.12

HV Buffer Cell (Level Shifter)................................................................................................. 16

7.13

Level Selector.......................................................................................................................... 16