Datasheet

71M6521DE/DH/FE Data Sheet
Page: 32 of 107 Rev 3
Interrupt Enable 2 register (IE2)
MSB LSB
- - - - - - -
ES1
Table 39: The IEN2 Register
Bit Symbol Function
IEN2.0 ES1 ES1=0 – disable serial channel 1 interrupt
Table 40: The IEN2 Bit Functions
Timer/Counter Control register (TCON)
MSB LSB
TF1 TR1 TF0 TR0 IE1 IT1 IE0 IT0
Table 41: The TCON Register
Bit Symbol Function
TCON.7 TF1
Timer 1 overflow flag
TCON.6 TR1
Not used for interrupt control
TCON.5 TF0
Timer 0 overflow flag
TCON.4 TR0
Not used for interrupt control
TCON.3 IE1
External interrupt 1 flag
TCON.2 IT1
External interrupt 1 type control bit
TCON.1 IE0
External interrupt 0 flag
TCON.0 IT0
External interrupt 0 type control bit
Table 42: The TCON Bit Functions
Timer2/Counter2 Control register (T2CON):
Bit Symbol Function
T2CON.7 --
Not used
T2CON.6 I3FR
Polarity control for INT3: 0 - falling edge, 1 – rising edge
T2CON.5 I2FR
Polarity control for INT3: 0 - falling edge, 1 – rising edge
TCON.4 …
T2CON0
--
Not used
Table 43: The T2CON Bit Functions