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參數(shù)資料
| 型號： | AK4650 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 元件分類： | Codec |
| 英文描述： | 16Bit ツヒ CODEC with MIC/HP/SPK-AMP & TSC |
| 中文描述： | 16位ツヒ編解碼器麥克風(fēng)/惠普/胰腎聯(lián)合移植腺苷 |
| 文件頁數(shù)： | 59/86頁 |
| 文件大?。?/td> | 824K |
| 代理商： | AK4650 |
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[AK4650]
MS0502-E-01
2007/04
- 59 -
4-2. X-Y Measurement Mode
When PM12AD bit is “1” and then ADMODE1-0 bits are set to “01”, the AK4650 measures X-position as many times as
set by MSR1-0 bits at first, Y-position as many times as set by MSR1-0 bits at second, regardless of A2-0 and SER bits.
Measurement results are output via slot after wait time set by DLY3-0 bits.
(1)
When SLOT bit = “1”, pen touch waiting state (PM12AD bit = “0” and PINTE bit = “1”) should be set.
(2)
When the controller receives PEN Interrupt, the controller should set PM12AD bit = “1”. Then data is output via slot.
12bit ADC is powered-up by setting PM12AD bit = “1”. ADMODE1-0 bits should be set to “01” at the same time.
(3)
After the wait time set by DLY3-0 bits, the AK4650 measures X-position as many times as set by MSR1-0 bits and
outputs the result via slot.
(4)
After X-position measurement and the wait time set by DLY3-0 bits, the AK4650 measures Y-position as many times
as set by MSR1-0 bits and outputs the result via slot.
(5)
After Y-position measurement, 12bit ADC is powered-down and the AK4650 waits for pen touch.
S YN C
A D C M od e
S lo t B IT 19
12b it A D C
X M easure
D E L A Y
S lot B IT18-16
X M easure
000
101
Y M easure
A D M O D E 1-0
bits
D E L A Y
y M easure
01
P M 1 2A D ,
P IN T E bits
10
P E N -W ait
00
00
S lo t b it
X M easure
X M easure
X M easure
y M easure
y M easure
y M easure
000
001
000
S lot B IT 15-4
0
X pos
0
y pos
0
X pos
X P os
X pos
y pos
y pos
y pos
P E N -W ait
DLY3-0 bits = “0H” (1TS), MSR1-0 bits = “0H” (4 times)
Figure 45. X and Y position measurement sequence
MSR1-0 bit
00
01
10
11
Table 52. Measurement times (SLOT bit = “1”)
Measurement times
4 times
8 times
16 times
32 times
(default)
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| AK4650VG | 16Bit ツヒ CODEC with MIC/HP/SPK-AMP & TSC |
| AK4651 | 16Bit ツヒ CODEC with MIC/HP/SPK-AMP |
| AK4651VG | 16Bit ツヒ CODEC with MIC/HP/SPK-AMP |
| AK4665A | 20-Bit Stereo CODEC with MIC/HP-AMP |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4650VG | 制造商:AKM 制造商全稱:AKM 功能描述:16Bit ツヒ CODEC with MIC/HP/SPK-AMP & TSC |
| AK4651 | 制造商:AKM 制造商全稱:AKM 功能描述:16Bit ツヒ CODEC with MIC/HP/SPK-AMP |
| AK4651VG | 制造商:AKM 制造商全稱:AKM 功能描述:16Bit ツヒ CODEC with MIC/HP/SPK-AMP |
| AK4664VQ | 功能描述:IC CODEC STEREO 20BIT LQFP 制造商:akm semiconductor inc. 系列:* 零件狀態(tài):上次購買時間 標(biāo)準(zhǔn)包裝:1,000 |
| AK4665A | 制造商:AKM 制造商全稱:AKM 功能描述:20-Bit Stereo CODEC with MIC/HP-AMP |
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