參數(shù)資料
型號(hào)： HD667A66R
廠商： Hitachi,Ltd.
英文描述： 132 x 176-dot Graphics LCD Controller/Driver for 65K Colors
中文描述： 132 × 176點(diǎn)圖形LCD控制器/驅(qū)動(dòng)器的65K色
文件頁(yè)數(shù)： 36/97頁(yè)
文件大?。?/td> 681K
代理商： HD667A66R
HD66766R Rev. 1.0-1 / September 2002
36
Read Data from GRAM (R22h)
Figure 24 Read Data from GRAM Instruction
RD15–0:
Read 16-bit data from the GRAM. When the data is read to the microcomputer, the first-word
read immediately after the GRAM address setting is latched from the GRAM to the internal read-data
latch. The data on the data bus (DB15–0) becomes invalid and the second-word read is normal.
Figure 25 GRAM Read Sequence
i) Data read to the microcomputer
ii) Logical operation processing
in the HD66766R
Address: N set
First word
Automatic address update: N+
Sets the I/D, AM,
HSA/HSE, VSA/VEA
Dummy read (invalid data)
GRAM => Read data latch
Read (data of address N)
Read-data latch => DB11-0
Second words
Address: M set
First word
Dummy read (invalid data)
GRAM => Read data latch
Second words
Read (data of address N)
Read-data latch => DB11-0
Sets the I/D, AM,
HSA/HSE, VSA/VEA
Address: N set
First word
Second words
First word
Dummy read (invalid data)
GRAM => Read data latch
Write (data of address N)
DB11-0 = > GRAM
Dummy read (invalid data)
GRAM => Read data latch
Write (data of address N)
DB11-0 => GRAM
Second words
R/W
RS
DB7
DB0
DB6
DB5
DB4
DB3
DB2
DB1
DB8
DB9
DB10
DB11
DB12
DB13
DB14
DB15
R
1
RD15 RD14 RD13 RD12 RD11 RD10 RD9 RD8 RD7 RD6 RD5 RD4 RD3 RD2
RD1 RD0
相關(guān)PDF資料
PDF描述
HD667B66R 132 x 176-dot Graphics LCD Controller/Driver for 65K Colors
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD667B66R 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:132 x 176-dot Graphics LCD Controller/Driver for 65K Colors
HD66840 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Peripheral IC
HD66840F25 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Controller
HD66840F30 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Controller
HD66841FP 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Controller
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