71M6545 Datasheet, PDF (41/134 Pages) Maxim Integrated Products – Four-Quadrant Metering, Phase Metrology Processors Flash/RAM Size

PDS_6545_009
IEN0[5]
IEN0[4]
IEN0[3]
IEN0[2]
IEN0[1]
IEN0[0]
–
Not Used.
ES0 ES0 = 0 disables serial channel 0 interrupt.
ET1 ET1 = 0 disables timer 1 overflow interrupt.
EX1 EX1 = 0 disables external interrupt 1.
ET0 ET0 = 0 disables timer 0 overflow interrupt.
EX0 EX0 = 0 disables external interrupt 0.
Data Sheet 71M6545/H
Bit
IEN1[7]
IEN1[6]
IEN1[5]
IEN1[4]
IEN1[3]
IEN1[2]
IEN1[1]
IEN1[0]
Table 25: The IEN1 Bit Functions (SFR 0xB8)
Symbol
–
–
EX6
EX5
EX4
EX3
EX2
–
Function
Not used.
Not used.
EX6 = 0 disables external interrupt 6.
EX5 = 0 disables external interrupt 5.
EX4 = 0 disables external interrupt 4.
EX3 = 0 disables external interrupt 3.
EX2 = 0 disables external interrupt 2.
Not Used.
Bit
IEN2[0]
Table 26: The IEN2 Bit Functions (SFR 0x9A)
Symbol
Function
ES1 ES1 = 0 disables the serial channel 1 interrupt.
Bit
TCON[7]
TCON[6]
TCON[5]
TCON[4]
TCON[3]
TCON[2]
TCON[1]
TCON[0]
Table 27: TCON Bit Functions (SFR 0x88)
Symbol
TF1
TR1
TF0
TR0
IE1
IT1
IE0
IT0
Function
Timer 1 overflow flag.
Not used for interrupt control.
Timer 0 overflow flag.
Not used for interrupt control.
External interrupt 1 flag.
External interrupt 1 type control bit:
0 = interrupt on low level.
1 = interrupt on falling edge.
External interrupt 0 flag
External interrupt 0 type control bit:
0 = interrupt on low level.
1 = interrupt on falling edge.
Bit
T2CON[7]
T2CON[6]
T2CON[5]
Table 28: The T2CON Bit Functions (SFR 0xC8)
Symbol
–
I3FR
I2FR
Not used.
Polarity control for INT3:
0 = falling edge.
1 = rising edge.
Polarity control for INT2:
0 = falling edge.
1 = rising edge.
Function
v1.0
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