C8051F326 Datasheet, PDF (52/140 Pages) List of Unclassifed Manufacturers – Full Speed USB, 16 kB Flash MCU Family

C8051F326/7
Table 6.4. Interrupt Summary
Interrupt Source
Interrupt
Vector
Priority
Order
Pending Flag
Enable
Flag
Priority
Control
Reset
External Interrupt 0
(/INT0)
Timer 0 Overflow
External Interrupt 1
(/INT1)
Timer 1 Overflow
UART0
USB0
0x0000
0x0003
0x000B
0x0013
0x001B
0x0023
0x0043
Top None
0 IE0 (TCON.1)
1 TF0 (TCON.5)
2 IE1 (TCON.3)
3 TF1 (TCON.7)
4
RI0 (SCON0.0)
TI0 (SCON0.1)
8 Special*
VBUS Level
0x007B
15 N/A
*Note: See Section 12.8 for more details about the USB interrupt.
N/A
N/A
Always
Enabled
Always
Highest
Y
Y
EX0 (IE.0)
PX0
(IP.0)
Y Y ET0 (IE.1) PT0 (IP.1)
Y
Y
EX1 (IE.2)
PX1
(IP.2)
Y Y ET1 (IE.3) PT1 (IP.3)
Y
N
ES0 (IE.4)
PS0
(IP.4)
N
N
EUSB0
(EIE1.1)
PUSB0
(EIP1.1)
N/A
N/A
EVBUS
(EIE2.0)
PVBUS
(EIP2.0)
6.3.5. Interrupt Register Descriptions
The SFRs used to enable the interrupt sources and set their priority level are described below. Refer to the
data sheet section associated with a particular on-chip peripheral for information regarding valid interrupt
conditions for the peripheral and the behavior of its interrupt-pending flag(s).
52
Rev. 0.5