Intel 87C196CB ユーザーズマニュアル
87C196CB SUPPLEMENT
7-30
1
IE
Interrupt Enable
This bit globally enables and disables interrupts (error, status-change, and
message object transmit and receive interrupts).
message object transmit and receive interrupts).
0 = disable interrupts
1 = enable interrupts
1 = enable interrupts
When the IE bit is set, an interrupt is generated only if the corresponding
interrupt source’s enable bit (EIE or SIE in CAN_CON; TXIE or RXIE in
CAN_MSG
interrupt source’s enable bit (EIE or SIE in CAN_CON; TXIE or RXIE in
CAN_MSG
x
_CON0) is also set. If the IE bit is clear, an interrupt request
updates the CAN interrupt pending register, but does not generate an
interrupt.
interrupt.
0
INIT
Software Initialization Enable
CAN_CON (Continued)
(87C196CB)
(87C196CB)
Address:
Reset State:
1E00H
01H
Program the CAN control (CAN_CON) register to control write access to the bit timing registers, to
enable and disable CAN interrupts, and to control access to the CAN bus.
enable and disable CAN interrupts, and to control access to the CAN bus.
7
0
87C196CB
—
CCE
—
—
EIE
SIE
IE
INIT
Bit
Number
Bit
Mnemonic
Function
Figure 7-17. CAN Control (CAN_CON) Register (Continued)