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參數(shù)資料
| 型號(hào)： | AK4184 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | TSC with Keypad Scanner and GPIO Expander |
| 中文描述： | 臺(tái)糖與鍵盤掃描儀和GPIO擴(kuò)展 |
| 文件頁數(shù)： | 20/36頁 |
| 文件大?。?/td> | 597K |
| 代理商： | AK4184 |
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[AK4184]
MS0603-E-00
2007/04
20
■
Keypad, GPIO, LED Contrast Control
The control command format for accessing the keypad scanner, GPIO, and LED contrast control is described in Table
10.The sequence of writing to and reading from the registers is shown in Table 12, Table 13. The upper MSB byte
(touch screen command) of the control command is set to zero when assessing these blocks. Refer to Table 4 for the
control and read data formats.
D15
D14
D13
D12
D11
D10
D9
D8
D7
0
0
0
0
0
0
0
0
W/R
Table 9. Keypad, GPIO, LED Contrast Control Command Format
Bits
Name
7
W/R
Write/Read bit
0: Write
1: Read
6
PAGE
Page bit (Table 3)
5:0
ADDR
Address bit (Table 4)
Table 10. Control Command
1.
Write Operation
CSN
D6
PAGE
D5
D4
D3
D2
D1
D0
ADDR[5:0]
Description
SCLK
DIN
DOUT
3
1
2
8
9
10
12
13
15
16
18
25
26
28
29
31
32
W/R Page
11
14
ADDR[5:0]
15
14
4
8
7
6
0
3
2
1
5
30
27
13
19
Control Command
Control Data
17
Hi-Z
Hi-Z
“0”
Figure 10. Write Operation
2.
CSN
Read Operation
SCLK
DIN
DOUT
3
1
2
8
9
10
12
13
15
16
18
25
26
28
29
31
32
W/R Page
11
14
ADDR[5:0]
15
14
4
8
7
6
0
3
2
1
5
30
27
13
19
Control Command
Read Data
17
Hi-Z
Hi-Z
“0”
Figure 11. Read Operation
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| AK4184VG | TSC with Keypad Scanner and GPIO Expander |
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| AK4184A | 制造商:AKM 制造商全稱:AKM 功能描述:TSC with Keypad Scanner and GPIO Expander |
| AK4184AEG | 制造商:AKM 制造商全稱:AKM 功能描述:TSC with Keypad Scanner and GPIO Expander |
| AK4184VG | 制造商:AKM 制造商全稱:AKM 功能描述:TSC with Keypad Scanner and GPIO Expander |
| AK4185 | 制造商:AKM 制造商全稱:AKM 功能描述:Low Power Touch Screen Controller with SPI? Interface |
| AK4185_10 | 制造商:AKM 制造商全稱:AKM 功能描述:Low Power Touch Screen Controller with SPI? Interface |
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