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Syntek Semiconductor Co., Ltd
LCD Controller
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ISSUE DATE : 3 March, 2000
STK55C641
Memory address
Pin for 1/16 duty
Pin for 1/8 duty
0028-002C
COM6
COM6
0030-0034
COM7
COM7
0038-003C
COM8
COM16
0040-0044
COM9
0048-004C
COM10
0050-0054
COM11
0058-005C
COM12
0060-0064
COM13
0068-006C
COM14
0070-0074
COM15
0078-007C
COM16
The LSB of low byte - SEG1.
The MSB of high byte - SEG40.
The middle bits are in the order.
0080-00FF for zero page area.
0100-01FF for stack and data page area.
0200-07FF for data area.
2) ROM
E000-FFFF for program area.
FFFF, FFFE - IRQ vector.
FFFD, FFFC - RES vector.
FFFB, FFFA - NMI vector.
3) Others
1000 To enter stand-by mode. Write only.
* Write this address, the CPU will be hold with LCD state no change.
* When in stand-by mode, the NMI and IRQ will wake up the CPU.
|
1001 To enter sleep mode. Write only.
= 1 Sleep mode 1
= 2 Sleep mode 2
All other values are prohibited. Do not write any other value to this register.