STC8A8K64D4 Series Manual
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M2MIP: DMA_M2M(Memory-to Memory DMA)interrupt priority control bits
00: DMA_M2M interrupt priority level is 0 (lowest level)
01: DMA_M2M interrupt priority is level 1 (lower level)
10: DMA_M2M interrupt priority is level 2 (higher level)
11: DMA_M2M interrupt priority level is 3 (the highest level)
ADCIP: DMA_ADC(ADC DMA)interrupt priority control bits
00: DMA_ADC interrupt priority level is 0 (lowest level)
01: DMA_ADC interrupt priority is level 1 (lower level)
10: DMA_ADC interrupt priority is level 2 (higher level)
11: DMA_ADC interrupt priority level is 3 (the highest level)
SPIIP: DMA_SPI(SPI DMA)interrupt priority control bits
00: DMA_SPI interrupt priority level is 0 (lowest level)
01: DMA_SPI interrupt priority is level 1 (lower level)
10: DMA_SPI interrupt priority is level 2 (higher level)
11: DMA_SPI interrupt priority level is 3 (the highest level)
UR1TIP: DMA_UR1T(UART 1 send DMA)interrupt priority control bits
00: DMA_UR1T interrupt priority level is 0 (lowest level)
01: DMA_UR1T interrupt priority is level 1 (lower level)
10: DMA_UR1T interrupt priority is level 2 (higher level)
11: DMA_UR1T interrupt priority level is 3 (the highest level)
UR1RIP: DMA_UR1R(UART 1 receive DMA)interrupt priority control bits
00: DMA_UR1R interrupt priority level is 0 (lowest level)
01: DMA_UR1R interrupt priority is level 1 (lower level)
10: DMA_UR1R interrupt priority is level 2 (higher level)
11: DMA_UR1R interrupt priority level is 3 (the highest level)
UR2TIP: DMA_UR2T(UART 2 send DMA)interrupt priority control bits
00: DMA_UR2T interrupt priority level is 0 (lowest level)
01: DMA_UR2T interrupt priority is level 1 (lower level)
10: DMA_UR2T interrupt priority is level 2 (higher level)
11: DMA_UR2T interrupt priority level is 3 (the highest level)
UR2RIP: DMA_UR2R(UART 2 receive DMA)interrupt priority control bits
00: DMA_UR2R interrupt priority level is 0 (lowest level)
01: DMA_UR2R interrupt priority is level 1 (lower level)
10: DMA_UR2R interrupt priority is level 2 (higher level)
11: DMA_UR2R interrupt priority level is 3 (the highest level)
UR3TIP: DMA_UR3T(UART 3 send DMA)interrupt priority control bits
00: DMA_UR3T interrupt priority level is 0 (lowest level)
01: DMA_UR3T interrupt priority is level 1 (lower level)
10: DMA_UR3T interrupt priority is level 2 (higher level)
11: DMA_UR3T interrupt priority level is 3 (the highest level)
UR3RIP: DMA_UR3R(UART 3 receive DMA)interrupt priority control bits
00: DMA_UR3R interrupt priority level is 0 (lowest level)
01: DMA_UR3R interrupt priority is level 1 (lower level)
10: DMA_UR3R interrupt priority is level 2 (higher level)
11: DMA_UR3R interrupt priority level is 3 (the highest level)
UR4TIP: DMA_UR4T(UART 4 send DMA)interrupt priority control bits
00: DMA_UR3R interrupt priority level is 0 (lowest level)