參數(shù)資料
型號(hào)： HD66710
廠商： Hitachi,Ltd.
英文描述： (Dot Matrix Liquid Crystal Display Controller/Driver)
中文描述： （點(diǎn)陣式液晶顯示控制器/驅(qū)動(dòng)器）
文件頁(yè)數(shù)： 29/73頁(yè)
文件大?。?/td> 507K
代理商： HD66710
HD66710
319
Instructions
Outline
Only the instruction register (IR) and the data register (DR) of the HD66710 can be controlled by the
MPU. Before starting internal operation of the HD66710, control information is temporarily stored in
these registers to allow interfacing with various MPUs, which operate at different speeds, or various
peripheral control devices. The internal operation of the HD66710 is determined by signals sent from the
MPU. These signals, which include register selection (RS), read/write (R/
:
), and the data bus (DB0 to
DB7), make up the HD66710 instructions (Table 7). There are four categories of instructions that:
Designate HD66710 functions, such as display format, data length, etc.
Set internal RAM addresses
Perform data transfer with internal RAM
Perform miscellaneous functions
Normally, instructions that perform data transfer with internal RAM are used the most. However, auto-
incrementation by 1 (or auto-decrementation by 1) of internal HD66710 RAM addresses after each data
write can lighten the program load of the MPU. Since the display shift instruction (Table 7) can perform
concurrently with display data write, the user can minimize system development time with maximum
programming efficiency.
When an instruction is being executed for internal operation, no instruction other than the busy
flag/address read instruction can be executed.
Because the busy flag is set to 1 while an instruction is being executed, check it to make sure it is 0
before sending another instruction from the MPU.
Note:
Be sure the HD66710 is not in the busy state (BF = 1) before sending an instruction from the
MPU to the HD66710. If an instruction is sent without checking the busy flag, the time between
the first instruction and next instruction will take much longer than the instruction time itself.
Refer to Table 7 for the list of each instruction execution time.
相關(guān)PDF資料
PDF描述
HD66710A00FS 16 AMP SPDT MINIATURE POWER RELAY
HD66710A00TF (Dot Matrix Liquid Crystal Display Controller/Driver)
HD66712U Dot-Matrix Liquid Crystal Display Controller/Driver(點(diǎn)陣液晶顯示控制器/驅(qū)動(dòng)器)
HD66712 Dot-Matrix Liquid Crystal Display Controller/Driver
HD66712UA02TA0 Dot-Matrix Liquid Crystal Display Controller/Driver
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD66710A00FS 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:(Dot Matrix Liquid Crystal Display Controller/Driver)
HD66710A00TF 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:(Dot Matrix Liquid Crystal Display Controller/Driver)
HD66712 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver
HD66712A00TA0 制造商:Renesas Electronics Corporation 功能描述:
HD66712A00TB0 制造商:Renesas Electronics Corporation 功能描述:
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