71M6545 Datasheet, PDF (44/134 Pages) Maxim Integrated Products – Four-Quadrant Metering, Phase Metrology Processors Flash/RAM Size

Data Sheet 71M6545/H
Table 33: Interrupt Priority Levels
IP1[x]
IP0[x]
Priority Level
0
0
Level 0 (lowest)
0
1
Level 1
1
0
Level 2
1
1
Level 3 (highest)
PDS_6545_009
Register
IP0
IP1
Table 34: Interrupt Priority Registers (IP0 and IP1)
Address
SFR 0xA9
Bit 7
(MSB)
–
Bit 6
–
Bit 5
IP0[5]
Bit 4
IP0[4]
Bit 3
IP0[3]
Bit 2
IP0[2]
SFR 0xB9
–
–
IP1[5] IP1[4] IP1[3] IP1[2]
Bit 1
IP0[1]
IP1[1]
Bit 0
(LSB)
IP0[0]
IP1[0]
Table 35: Interrupt Polling Sequence
External interrupt 0
Serial channel 1 interrupt
Timer 0 interrupt
External interrupt 2
External interrupt 1
External interrupt 3
Timer 1 interrupt
External interrupt 4
Serial channel 0 interrupt
External interrupt 5
External interrupt 6
Interrupt Sources and Vectors
Table 36 shows the interrupts with their associated flags and vector addresses.
Interrupt
Request Flag
IE0
TF0
IE1
TF1
RI0/TI0
RI1/TI1
IEX2
IEX3
IEX4
IEX5
IEX6
Table 36: Interrupt Vectors
Description
External interrupt 0
Timer 0 interrupt
External interrupt 1
Timer 1 interrupt
Serial channel 0 interrupt
Serial channel 1 interrupt
External interrupt 2
External interrupt 3
External interrupt 4
External interrupt 5
External interrupt 6
Interrupt Vector
Address
0x0003
0x000B
0x0013
0x001B
0x0023
0x0083
0x004B
0x0053
0x005B
0x0063
0x006B
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