參數(shù)資料
型號(hào)： HD66410
廠商： Hitachi,Ltd.
英文描述： RAM-Provided 128-Channel Driver for Dot-Matrix Graphic LCD(點(diǎn)陣圖形LCD128通道驅(qū)動(dòng)器)
中文描述： 內(nèi)存提供128通道驅(qū)動(dòng)點(diǎn)陣圖形LCD（點(diǎn)陣圖形LCD128通道驅(qū)動(dòng)器）
文件頁(yè)數(shù)： 12/50頁(yè)
文件大小： 177K
代理商： HD66410
HD66410
12
MPU Interface
The HD66410 can interface directly to an MPU through an 8-bit data bus or through an I/O port (Figure 2).
The MPU can access the HD66410 internal registers independent of internal clock timing.
The index register can be directly accessed but the other registers (data registers) cannot. Before accessing
a data register, its register number must be written to the index register. Once written, the register number is
held until it is rewritten, enabling the same register to be consecutively accessed without having to rewrite
to the register number for each access. An example of a register access sequence is shown in Figure 3.
HD66410
CS
RS
RD
WR
DB0–DB7
Z80
8
A15–A0
A0
RD
WR
D0–D7
HD66410
CS
RS
RD
WR
DB0–DB7
H8/325
8
C0
C1
C2
C3
A0–A7
b) Interface through I/O Port
Decoder
a) Interface through Bus
Figure 2 8-Bit MPU Interface Examples
CS
WR
RD
DB7 to DB0
RS
Data
Data
Data
Data
Data
Data
Write index
register
Write data
register
Write data
register
Write index
register
Read data
register
Read data
register
Figure 3 8-Bit Data Transfer Sequence
相關(guān)PDF資料
PDF描述
HD66420 (RAM-Provided 160 Channel 4-Level Grey Scale Driver for Dot Matrix Graphics LCD)
HD66420TA0 LCD Display Driver
HD66421 (RAM-Provided 160 Channel 4-Level Grey Scale Driver for Dot Matrix Graphics LCD)
HD66421TB0 (RAM-Provided 160 Channel 4-Level Grey Scale Driver for Dot Matrix Graphics LCD)
HD66503 240-Channel Common Driver with Internal LCD Timing Circuit(帶內(nèi)部LCD定時(shí)電路的240通道驅(qū)動(dòng)器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD66420 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:(RAM-Provided 160 Channel 4-Level Grey Scale Driver for Dot Matrix Graphics LCD)
HD66420TA0 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:LCD Display Driver
HD66421 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:(RAM-Provided 160 Channel 4-Level Grey Scale Driver for Dot Matrix Graphics LCD)
HD66421TB0 制造商:Renesas Electronics Corporation 功能描述:
HD66503 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver
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