AN2628 Datasheet, PDF (18/27 Pages) STMicroelectronics – Programming ST10F27x CAN interrupt drivers

Register description
AN2628
Table 2.
Bit
IE.4
IE.5
IE.6
IE.7
XIR1SEL register (continued)
Function
Interrupt enable 4: XSSC receive
‘0’: Interrupt request disabled.
‘1’: Interrupt request enabled.
Interrupt enable 5: XASC transmit buffer
‘0’: Interrupt request disabled.
‘1’: Interrupt request enabled.
Interrupt enable 6: XASC transmit
‘0’: Interrupt request disabled.
‘1’: Interrupt request enabled.
Interrupt enable 7: XASC receive
‘0’: Interrupt request disabled.
‘1’: Interrupt request enabled.
XIR3SEL (EB40h)
XBUS
Reset Value: 0000h
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IE.7 IE.6 IE.5 IE.4 IE.3 IE.2 IE.1 IE.0 FL.7 FL.6 FL.5 FL.4 FL.3 FL.2 FL.1 FL.0
RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW
Table 3.
Bit
FL.0
FL.1
FL.2
FL.3
FL.4
FL.5
FL.6
FL.7
XIR3SEL register
Function
Interrupt flag 0: CAN1 interrupt
‘0’: No interrupt request.
‘1’: Interrupt request pending.
Interrupt flag 1: CAN2 interrupt
‘0’: No interrupt request.
‘1’: Interrupt request pending.
Interrupt flag 2: I²C error
‘0’: No interrupt request.
‘1’: Interrupt request pending.
Interrupt flag 0: XSSC error
‘0’: No interrupt request.
‘1’: Interrupt request pending.
Interrupt flag 4: XASC error
‘0’: No interrupt request.
‘1’: Interrupt request pending.
Interrupt flag 5: PLL unlock / oscillator watchdog
‘0’: No interrupt request.
‘1’: Interrupt request pending.
Interrupt flag 6: XPWM channel 3...0
‘0’: No interrupt request.
‘1’: Interrupt request pending.
Interrupt flag 7: No interrupt source associated.
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