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參數(shù)資料
| 型號： | AK4533 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 元件分類： | Codec |
| 英文描述： | Audio Codec with Touch Screen Controller |
| 中文描述： | 音頻編解碼器與觸摸屏控制器 |
| 文件頁數(shù)： | 30/40頁 |
| 文件大?。?/td> | 473K |
| 代理商： | AK4533 |
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[ASAHI KASEI]
<Revision 0.9a>
July 00
29
The interface of touch screen controller block shares with audio control interface. (For the detail of read/write
sequence, please see "Figure 12. Audio/Touch Screen Control Interface Timing")
Touch Screen Control Register
Addr
07
D7
TSPD
D6
PW
D5
X
D4
X
D3
D3
D2
D2
D1
D1
D0
D0
Default
80
Touch Screen Control
Table 7. Touch Screen Control Register
D3:D0
Table 8 describes the relationship between D3:D0 bits and the states of TSX_TOP, TSX_BTM, TSY_TOP, TSY_BTM,
AIN, and VREF.
As TSX_TOP, TSX_BTM, TSY_TOP, and TSY_BTM can output one of the three voltage level, VA, AGND, and Hi-Z
by the combination of D3:D0 bits, touch screen control block is very flexible. For example, there are two ways to
measure the x-axis spot as No.1 configuration or No.2 configuration in Table 8.
Selection of Input Channel/Output Channel
Touch Screen
Control Register(07h)
D7
(TSPD)
(PW)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
The State of Touch Screen
Terminals
TSX_
TOP
BTM
VA
AGND
AGND
VA
OPEN
OPEN
OPEN
OPEN
AGND
OPEN
OPEN
OPEN
AGND
AGND
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
AGND_R
Analog
Input
AIN
VREF
Input
VREF
No
.
0
1
2
3
4
5
6
7
8
9
10
D6
D3
D2
D1
D0
TSX_
TSY_
TOP
OPEN
OPEN
VA
AGND
AGND
OPEN
OPEN
AGND
OPEN
OPEN
OPEN
TSY_
BTM
OPEN
OPEN
AGND
VA
OPEN
OPEN
OPEN
AGND
OPEN
OPEN
VA
Note
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
1
1
1
1
X
X
X
0
0
1
1
0
0
1
1
X
X
X
0
1
0
1
0
1
0
1
0
1
0
TSY_TOP
TSY_TOP
TSX_TOP
TSX_TOP
X
X
X
X
BTI_1
BTI_2
BTI_1
VA
VA
VA
VA
VA
VA
VA
VA
X-axis Measurement
X-axis Measurement
Y-axis Measurement
Y-axis Measurement
Discharge
Discharge
Discharge
Battery Measurement
Battery Measurement
Pen Waiting &
Battery Measurement
Pen Waiting &
Battery Measurement
Pen Waiting &
Power Down State
Power Down State
(Default)
TPVREFIN
TPVREFIN
TPVREFIN
11
0
1
1
X
X
1
OPEN
AGND_R
OPEN
VA
BTI_2
TPVREFIN
12
1
1
X
X
X
X
OPEN
AGND_R
OPEN
VA
X
X
13
1
0
X
X
X
X
OPEN
OPEN
OPEN
OPEN
X
X
VA
AGND
OPEN
BTI_1,BTI_2
TPVREFIN
AGND_R
Power Supply Voltage
Analog Ground
Hi-Z state
Measurement of Buttery Voltage
External Reference Voltage
TSX_BTM is connected to AGND through internal resistor.
Table 8. The relationship between input/output channel and D3:D0 bits
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| AK4534 | 制造商:AKM 制造商全稱:AKM 功能描述:16Bit CODEC with MIC/HP/SPK-AMP |
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| AK4534VQ | 功能描述:IC CODEC 16BIT MIC/HP/SPK-AMP 制造商:akm semiconductor inc. 系列:* 零件狀態(tài):上次購買時(shí)間 標(biāo)準(zhǔn)包裝:1,000 |
| AK4536 | 制造商:AKM 制造商全稱:AKM 功能描述:16-Bit Mono CODEC with ALC & MIC/SPK-AMP |
| AK4536VN | 制造商:AKM 制造商全稱:AKM 功能描述:16-Bit Mono CODEC with ALC & MIC/SPK-AMP |
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