C8051F349-GMR Silicon Labs, C8051F349-GMR Datasheet - Page 90

• Manufacturer Part Number: C8051F349-GMR
• Description: 8-bit Microcontrollers - MCU 25 MIPS 32KB USB MCU
• Manufacturer: Silicon Labs

Specifications of C8051F349-GMR

• Rohs: yes
• Core: 8051
• Processor Series: C8051
• Data Bus Width: 8 bit

C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
9.3.5. Interrupt Register Descriptions
The SFRs used to enable the interrupt sources and set their priority level are described below. Refer to the
datasheet 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).
90
Interrupt Source
Reset
External Interrupt 0
(INT0)
Timer 0 Overflow
External Interrupt 1
(INT1)
Timer 1 Overflow
UART0
Timer 2 Overflow
SPI0
SMB0
USB0
ADC0 Window
Compare
ADC0 Conversion
Complete
Programmable Counter
Array
Comparator0
Comparator1
Timer 3 Overflow
VBUS Level
UART1
Interrupt
0x000B
0x001B
0x002B
0x003B
0x004B
0x005B
0x006B
0x007B
0x0000
0x0003
0x0013
0x0023
0x0033
0x0043
0x0053
0x0063
0x0073
0x0083
Vector
Table 9.4. Interrupt Summary
Priority
Order
Top
10
11
12
13
14
15
16
0
1
2
3
4
5
6
7
8
9
Pending Flag
None
IE0 (TCON.1)
TF0 (TCON.5)
IE1 (TCON.3)
TF1 (TCON.7)
RI0 (SCON0.0)
TI0 (SCON0.1)
TF2H (TMR2CN.7)
TF2L (TMR2CN.6)
SPIF (SPI0CN.7)
WCOL (SPI0CN.6)
MODF (SPI0CN.5)
RXOVRN (SPI0CN.4)
SI (SMB0CN.0)
Special
AD0WINT
(ADC0CN.3)
AD0INT (ADC0CN.5)
CF (PCA0CN.7)
CCFn (PCA0CN.n)
CP0FIF (CPT0CN.4)
CP0RIF (CPT0CN.5)
CP1FIF (CPT1CN.4)
CP1RIF (CPT1CN.5)
TF3H (TMR3CN.7)
TF3L (TMR3CN.6)
N/A
RI1 (SCON1.0)
TI1 (SCON1.1)
Rev. 1.3
N/A N/A
N/A N/A
Y
Y
Y
Y
Y
Y
Y
Y
N
Y
Y
Y
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
Y
Y
Y
Y
Enable
Flag
Always
Enabled
EX0 (IE.0) PX0 (IP.0)
ET0 (IE.1) PT0 (IP.1)
EX1 (IE.2) PX1 (IP.2)
ET1 (IE.3) PT1 (IP.3)
ES0 (IE.4) PS0 (IP.4)
ET2 (IE.5) PT2 (IP.5)
ESPI0
(IE.6)
ESMB0
(EIE1.0)
EUSB0
(EIE1.1)
EWADC0
(EIE1.2)
EADC0
(EIE1.3)
EPCA0
(EIE1.4)
ECP0
(EIE1.5)
ECP1
(EIE1.6)
ET3
(EIE1.7)
EVBUS
(EIE2.0)
ES1
(EIE2.1)
Priority
Control
Always
Highest
PSPI0
(IP.6)
PSMB0
(EIP1.0)
PUSB0
(EIP1.1)
PWADC0
(EIP1.2)
PADC0
(EIP1.3)
PPCA0
(EIP1.4)
PCP0
(EIP1.5)
PCP1
(EIP1.6)
PT3
(EIP1.7)
PVBUS
(EIP2.0)
PS1
(EIP2.1)