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參數(shù)資料
| 型號(hào)： | HMS81C20XXA |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | CMOS Single-Chip 8-Bit Microcontroller with A/D Converter & VFD Driver |
| 中文描述： | CMOS單芯片8位微控制器與A / D轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 69/107頁(yè) |
| 文件大?。?/td> | 1482K |
| 代理商： | HMS81C20XXA |
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HMS81C2012A/2020A
SEP. 2004 Ver 2.00
65
14.2 The method of Serial I/O
①
Select transmission/receiving mode
Note:
When external clock is used, the frequency should
be less than 1MHz and recommended duty is 50%.
②
In case of sending mode, write data to be send to SIOR.
③
Set SIOST to “1” to start serial transmission.
Note:
If both transmission mode is selected and transmis-
sion is performed simultaneously it would be made error.
④
The SIO interrupt is generated at the completion of SIO
and SIOSF is set to “1”. In SIO interrupt service routine,
correct transmission should be tested.
⑤
In case of receiving mode, the received data is acquired
by reading the SIOR.
14.3 The Method to Test Correct Transmission
Figure 14-5 Serial Method to Test Transmission
Serial I/O Interrupt
Service Routine
SE = 0
Write SIOM
Normal Operation
Overrun Error
Abnormal
SIOSF
0
1
- SE : Interrupt Enable Register Low IENL(Bit3)
- SR : Interrupt Request Flag Register Low IRQL(Bit3)
SR
0
1
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| HN27512 | 512K (64K X 8 BIT ) UV AND OTP EPROM |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HMS81C20XXA-HK | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CMOS Single-Chip 8-Bit Microcontroller with A/D Converter & VFD Driver |
| HMS81C2112A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:[VFD MCU: High Voltage IO/ADC/HS PWM/SCI] |
| HMS81C2120A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:[VFD MCU: High Voltage IO/ADC/HS PWM/SCI] |
| HMS81C4260 | 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:HYNIX SEMICONDUCTOR INC. 8-BIT SINGLE-CHIP MICROCONTROLLERS |
| HMS81C4308 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:[TV : OSD/ I?C] |
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