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參數(shù)資料
| 型號(hào)： | S1C6S460D |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, MROM, 2 MHz, MICROCONTROLLER, UUC124 |
| 封裝： | 4.69 X 4.68 MM, DIE-124 |
| 文件頁數(shù)： | 44/107頁 |
| 文件大?。?/td> | 788K |
| 代理商： | S1C6S460D |
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S1C6S460 TECHNICAL MANUAL
EPSON
33
CHAPTER 6: INPUT/OUTPUT PORTS
EIK00–EIK03, EIK10–EIK13 (F14H, F15H, R/W)
These are interrupt mask registers of the input ports.
When "1" is written: Enable
When "0" is written: Mask
Reading: Valid
EIK0x corresponds to input port K0x, and EIK1x corresponds to input port K1x. Whether to mask the
interrupt function can be set in units of 1 bit.
Be sure that writing to the interrupt mask register is done with the interrupt in the DISABLE state (DI).
Writing to the interrupt mask register while in the ENABLE state (EI) may cause malfunction.
At initial reset, these registers are all set to "0" (mask).
IK0, IK1 (F04H [D0], F05H [D0], R)
These are interrupt factor flags of the input ports.
When "1" is read: Interrupt has occurred
When "0" is read: Interrupt has not occurred
Writing: Invalid
The interrupt factor flags IK0 and IK1 are associated with K00–K03 and K10–K13, respectively. From the
status of these flags, the software can decide whether an input interrupt has occurred.
These flags will not be set even if the input conditions are established if, for every terminal series, the
interrupt mask registers (EIKxx) are all set to "0" (i.e., EIK00–EIK03, or EIK10–EIK13 are all set to "0", or
all are individually set to "0").
Be sure that the interrupt factor flag reading is done with the interrupt in the DISABLE state (DI). Read-
ing the interrupt factor flag while in the ENABLE state (EI) may cause malfunction.
At initial reset, these flags are set to "0".
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