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參數(shù)資料
| 型號(hào)： | HD66727 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function(帶鍵掃描功能的圖形LCD控制器/驅(qū)動(dòng)器) |
| 中文描述： | 低功耗點(diǎn)陣液晶顯示控制器/鍵掃描功能（帶鍵掃描功能的圖形液晶顯示控制器/驅(qū)動(dòng)器驅(qū)動(dòng)程序） |
| 文件頁(yè)數(shù)： | 56/98頁(yè) |
| 文件大小： | 1576K |
| 代理商： | HD66727 |
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HD66727
56
c) Consecutive Scan Data Read Timing
a) Scan Data Read Timing through Clock-Synchronized Serial Bus Interface
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13
14
15
16
R/W
RS
0
1
1
1
0
ID0
Start byte
Device ID code
SCL
(Input)
SDA
(Input/
output)
CS*
(Input)
Wait
Start
byte
SCL
(Input)
SDA
(Input/
output)
SCAN0
data
SCAN1
data
SCAN2
data
SCAN3
data
SCAN7
data
Wait
Wait
Wait
SCAN0
data
Wait
SCAN0 data transmission
BF
SD0
Busy
SF1 SF0 TF SD3 SD2SD1
BF
SD0
SF1 SF0 TF SD3SD2SD1
Scan
flag
R/W
RS
Transfer start
Transfer end
0
1
1
1
ID1 ID0
b) Scan Data Read Timing through I2C Bus Interface
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2
3
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5
6
7
8
9
10
11
12
13
14
15
18
R/W
RS
1st byte
SCL
(Input)
SDA
(Input/
output)
SCAN0 data transmission
16
17
Ack
Ack
Transfer end
Transfer start
Acknowledge
Acknowledge
Busy
Scan
data
Device ID code
Scan
flag
R/W
RS
Scan
data
Figure 28 Scan Data Serial Transfer Timing
Key Scan Interrupt (Wake-Up Function)
If the interrupt enable bit (IRE) is set to 1, the HD66727 sends an interrupt signal to the MPU on detecting
that a key has been pressed in the key scan circuit by setting the IRQ* output pin to a low level. An
interrupt signal can be generated by pressing any key in a 32-key matrix. The interrupt level continues to be
output during the key scan cycle in which the key is being pressed. See Figure 29.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HD66728 | 112 x 80-dot Graphics LCD Controller/Driver(112 x 80點(diǎn)圖形LCD控制器) |
| HD66730 | Dot-Matrix Liquid Crystal Display Controller/Driver(點(diǎn)陣液晶顯示控制器/驅(qū)動(dòng)器) |
| HD66731 | Dot-Matrix Liquid Crystal Display Controller/Driver(點(diǎn)陣液晶顯示控制器/驅(qū)動(dòng)器) |
| HD66731A00TB0L | 122 x 32 pixel format, Compact LCD size |
| HD66731A00TA0L | Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD66727A03 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
| HD66727A03BP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
| HD66727A03TA0 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
| HD66727A03TA0L | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function |
| HD66727A04 | 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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