SNL320

16-Bit LCD Controller

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CONTENTS

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1.

INTRODUCTION......................................................................................................................... 5

2.

FEATURES ................................................................................................................................... 5

3.

PIN ASSIGNMENTS.................................................................................................................... 5

4.

MEMORY ..................................................................................................................................... 6

4.1

INTERNAL ROM.......................................................................................................................... 6

4.2

INTERNAL RAM.......................................................................................................................... 6

5.

CLOCK SYSTEM ........................................................................................................................ 7

5.1

NORMAL MODE........................................................................................................................... 8

5.2

LOW-SPEED MODE....................................................................................................................... 8

5.3

STOP MODE................................................................................................................................. 8

5.4

SUSPEND MODE .......................................................................................................................... 8

5.5

WATCH MODE ............................................................................................................................ 9

6.

POWER ON RESET .................................................................................................................... 9

7.

I/O PORT....................................................................................................................................... 9

8.

TIMER/COUNTER .................................................................................................................... 10

9.

DA & PUSH-PULL..................................................................................................................... 11

9.1

DAC ......................................................................................................................................... 11

9.2

PUSH-PULL ............................................................................................................................... 11

10.

INTERNAL REGULATOR .................................................................................................. 12

11.

LOW VOLTAGE DETECTOR............................................................................................ 13

12.

EXTENSION BUS ................................................................................................................. 13

12.1

WORD MODE CONNECTION ...................................................................................................... 14

12.2

BYTE MODE CONNECTION ........................................................................................................ 14

12.3

MAXIMUM MEMORY EXPEND ................................................................................................... 17

12.4

NAND FLASH INTERFACE ........................................................................................................ 17

13.

USB INTERFACE ................................................................................................................. 18

14.

LCD INTERFACE................................................................................................................. 18

Ver: 1.4

1

April 18, 2006