參數(shù)資料
型號: S1C621A0F0A0100
元件分類: 微控制器/微處理器
英文描述: MICROCONTROLLER, PQFP80
封裝: QFP-80
文件頁數(shù): 129/161頁
文件大?。?/td> 1037K
代理商: S1C621A0F0A0100
S1C621A0 TECHNICAL HARDWARE
EPSON
I-45
CHAPTER 3: PERIPHERAL CIRCUITS (Remote LED Control)
tRIC
Write data
to register
τ-waveform
REM interrupt
Fig. 3.9.11
REM Interrupt Timing
Once data has been written in the RIC register, avoid
writing other data into the register before a REM inter-
rupt occurs (which would otherwise cause an invalid
interrupt).
The values allowed for the RIC register are 0 to EH.
Other Registers
EIREM (0F2H, D2) and IREM (0F0H, D2) are also the
registers that are used with the hardware timer control
mode.
The EIREM register controls REM interrupt masking. It
masks (invalidates) an interrupt request when it is 0, and
validates an interrupt request when it is 1.
The IREM register is read to have software check the
presence or absence of a REM interrupt. An interrupt is
absent when IREM is 0, and present when it is 1. The
REM interrupt factor flag is cleared when the register is
read. Read the IREM register in DI status (interrupt flag =
0). Reading of interrupt factor flags is available at EI, but
be careful in the following cases.
If the interrupt mask register value corresponding to the
interrupt factor flags to be read is set to 1, an interrupt
request will be generated by the interrupt factor flags set
timing, or an interrupt request will not be generated. Be
very careful when interrupt factor flags are in the same
address.
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