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PDF ( 数据手册 , 数据表 ) GC1602B-01YA0

零件编号 GC1602B-01YA0
描述 LCD Module
制造商 GEMINI
LOGO GEMINI LOGO 


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GC1602B-01YA0 数据手册, 描述, 功能
LCD Module User Manual
Customer
Ordering CODE
DRAWING NO.
:
: GC1602B-01YA0
: m-GC1602B-01YA0_A00
Approved By Customer:
Date:
Approved By Checked By Prepared By
GEMINI Technology Co., Ltd.
ADD: RM1521 Investel, 1123-2 Sanbon-Dong, Gunpo-City, Kyeonggi-Do, Korea
TEL: 0082-31-455-3200(Rep.)
FAX:0082-31-343-2100
Http://www.findlcd.com
TC1602B-01YA0_A00
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GC1602B-01YA0 pdf, 数据表
9. Application circuit
10. LCD Function Description
The LCD display Module is built in a LSI controller, the controller has two 8-bit registers, an
instruction register (IR) and a data register (DR).
The IR stores instruction codes, such as display clear and cursor shift, and address
information for display data RAM (DDRAM) and character generator (CGRAM). The IR can
only be written from the MPU. The DR temporarily stores data to be written or read from
DDRAM or CGRAM. When address information is written into the IR, then data is stored
into the DR from DDRAM or CGRAM. By the register selector (RS) signal, these two
registers can be selected.
Various Kinds of Operations according to RS and R/W Bits
RS R/W
Operation
0 0 IR write as an internal operation (display clear, etc.)
0 1 Read busy flag (DB7) and address counter (DB0 to DB7)
1 0 Write data to DDRAM or CGRAM (DR to DDRAM or CGRAM)
1 1 Read data from DDRAM or CGRAM (DDRAM or CGRAM to DR)
Busy Flag (BF)
When the BF= "High", it indicates that the LCM internal operation is being processed. So
during this time the next instruction cannot be accepted. BF can be read, when RS = Low
and R/W = High (Read Instruction Operation), through DB7 port. Before executing the next
instruction, be sure that BF is not High.
Address Counter (AC)
Address Counter(AC) stores DDRAM/CGRAM address. After writing into (reading from)
DDRAM/CGRAM, AC is automatically increased (decreased) by 1. When RS = "Low" and
R/W = "High", AC can be read through DB0 - DB6 ports.
TC1602B-01YA0_A00
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GC1602B-01YA0 equivalent, schematic
l 4-bit interface mode
TC1602B-01YA0_A00
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页数 18 页
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