參數(shù)資料
型號: S1C63466F
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 4.1 MHz, MICROCONTROLLER, PQFP144
封裝: PLASTIC, QFP8-144
文件頁數(shù): 101/135頁
文件大小: 1053K
代理商: S1C63466F
60
EPSON
S1C63466 TECHNICAL MANUAL
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Clock Timer)
4.8.5 Programming notes
(1) Be sure to read timer data in the order of low-order data (TM0–TM3) then high-order data (TM4–
TM7).
(2) After an interrupt occurs, the same interrupt will occur again if the interrupt enabled state (I flag =
"1") is set or the RETI instruction is executed unless the interrupt factor flag is reset. Therefore, be sure
to reset (write "1" to) the interrupt factor flag in the interrupt service routine before shifting to the
interrupt enabled state.
(3) When the CR oscillation circuit is selected as the OSC1 oscillation circuit by mask option, the frequen-
cies and times differ from the values described in this section because the oscillation frequency will be
60 kHz (Typ.). Therefore, the clock timer can not be used for the clock function.
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