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参数资料
| 型号： | APT7843 |
| 厂商： | Anpec Electronics Corporation |
| 英文描述： | Touch Screen Controller |
| 中文描述： | 触摸屏控制器 |
| 文件页数： | 3/18页 |
| 文件大小： | 622K |
| 代理商： | APT7843 |
Copyright ANPEC Electronics Corp.
Rev. A.8 - Apr., 2002
APT7843
www.anpec.com.tw
11
DCLK
CS
DOUT
BUSY
DIN
CONTROL BITS
1
81
8
1
8
1
SS
CONTROL BITS
11 10 9 87 65
0
1
2
3
4
11 10 9
FIGURE 6. Conversion Timing, 16-Clocks per Conversion, 8-bit Bus Interface. No DCLK Delay Required
with Dedicated Serial Port.
The APT7843 will alow a conversion every 16 clock
cycles, as shown in Figure 6. This figure shows
possible serial communication occurring with other
serial peripherals between each byte transfer between
the processor and the converter.
Figure 7 provides the fastest way to clock the
APT7843. This method will not work with the serial
interface of most microcontrollers and digital signal
processors as they are generally not capable of pro-
viding 15 clock cycles per serial transfer. However,
this method could be used with field programmable
gate arrays (FPGAs) or application specific integrated
circuits (ASICs). (Note that this effectively increases
the maximum conversion rate of the converter).
16-Clocks or 15-Clocks per Con-
version
AC Timing
Figure 8 and Table VI provide detailed timing of the
APT7843. Table VII provide detailed timing of low power
VCC=2.4V.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| APT7843NI | 制造商:ANPEC 制造商全称:Anpec Electronics Coropration 功能描述:Touch Screen Controller |
| APT7843OI | 制造商:ANPEC 制造商全称:Anpec Electronics Coropration 功能描述:Touch Screen Controller |
| APT7846 | 制造商:ANPEC 制造商全称:Anpec Electronics Coropration 功能描述:Touch Screen Controller |
| APT7846NI-TR | 制造商:ANPEC 制造商全称:Anpec Electronics Coropration 功能描述:Touch Screen Controller |
| APT7846NI-TU | 制造商:ANPEC 制造商全称:Anpec Electronics Coropration 功能描述:Touch Screen Controller |
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