參數(shù)資料
型號: HD66702R
廠商: Hitachi,Ltd.
英文描述: Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function
中文描述: 低功耗點陣液晶顯示控制器/鍵掃描功能驅(qū)動程序
文件頁數(shù): 54/97頁
文件大?。?/td> 513K
代理商: HD66702R
HD66727
54
c) Consecutive Scan Data Read Timing
a) Scan Data Read Timing through Clock-Synchronized Serial Bus Interface
1
2
3
4
5
6
7
8
9
10
11
12
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
1
2
3
4
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
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