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參數(shù)資料
| 型號： | R8820LV |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 16-BIT RISC MICROCONTROLLER |
| 中文描述： | 16位RISC微控制器 |
| 文件頁數(shù)： | 13/98頁 |
| 文件大小： | 1000K |
| 代理商： | R8820LV |
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R DC
RISC DSP Controller
R8820LV
RDC Semiconductor Co.
Rev:1.0
Subject to change without notice
13
of the waveform can be programmable. These pins are floated
during a bus hold or reset.
DMA Unit Interface
DMA request. These pins are asserted high by an external
device when the device is ready for DMA channel 1 or channel
0 to perform a transfer. These pins are level-triggered and
internally synchronized. The DRQ signals must remain act
until finish serviced and are not latched.
For INT6/INT5 function: When the DMA function is not being
used, INT6/INT5 can be used as an additional external
interrupt request. And they share the corresponding interrupt
type and register control bits. The INT6/5 are edge-triggered
only and must be hold until the interrupt is acknowledged.
76
77
DRQ1/INT6/PIO13
DRQ0/INT5/PIO12
Input/Output
Notes:
1.When enable the PIO Data register, there are 32 MUX definition pins can be as a PIO pin. For example, the DRD1/PIO13
(pin76) can be as a PIO13 when enable the PIO Data register.
2.The PIO status during Power-On reset : PIO1, PIO10, PIO22, PIO23 are input with pull-down, PIO4 to PIO9 are
normal operation and the others are input with pull-up.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R8821 | 制造商:RDC 制造商全稱:RDC 功能描述:16-BIT RISC MICROCONTROLLER |
| R8822 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:RDC 16 Bit RISC MICRO-CONTROLLER |
| R8822I | 制造商:RDC 制造商全稱:RDC 功能描述:16-BIT RISC MICROCONTROLLER |
| R8830 | 制造商:RDC 制造商全稱:RDC 功能描述:16-BIT RISC MICROCONTROLLER |
| R8830I | 制造商:RDC 制造商全稱:RDC 功能描述:16-BIT RISC MICROCONTROLLER |
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