C8051F818-GM Silicon Laboratories Inc, C8051F818-GM Datasheet - Page 104

• Manufacturer Part Number: C8051F818-GM
• Description: IC MCU 8BIT 8KB FLASH 20QFN
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F81xr

Specifications of C8051F818-GM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: Cap Sense, POR, PWM, WDT
• Number Of I /o: 17
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-QFN
• Processor Series: C8051F8x
• Core: 8051
• Data Bus Width: 16 bit
• Data Ram Size: 512 B
• Interface Type: I2C, SPI, UART
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 17
• Number Of Timers: 3
• Operating Supply Voltage: 1.8 V to 3.6 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F800DK
• Minimum Operating Temperature: - 55 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details
• Other names: 336-1798-5

C8051F80x-83x
18.2. Interrupt Register Descriptions
The SFRs used to enable the interrupt sources and set their priority level are described in this section.
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).
104
Interrupt Source
Reset
External Interrupt 0
(INT0)
Timer 0 Overflow
External Interrupt 1
(INT1)
Timer 1 Overflow
UART0
Timer 2 Overflow
SPI0
SMB0
Port Match
ADC0
Window Compare
ADC0
Conversion Complete
Programmable
Counter Array
Comparator0
RESERVED
RESERVED
CS0 Conversion Com-
plete
CS0 Greater Than
Interrupt
Vector
0x0000
0x0003
0x000B
0x0013
0x001B
0x0023
0x002B
0x0033
0x003B
0x0043
0x004B
0x0053
0x005B
0x0063
0x007B
0x0083
Table 18.1. Interrupt Summary
Priority
Order
Top
0
1
2
3
4
5
6
7
8
9
10
11
12
15
16
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)
None
AD0WINT (ADC0CN.3) Y
AD0INT (ADC0CN.5)
CF (PCA0CN.7)
CCFn (PCA0CN.n)
CP0FIF (CPT0CN.4)
CP0RIF (CPT0CN.5)
CS0INT (CS0CN.5)
CS0CMPF (CS0CN.0)
Rev. 1.0
N/A N/A Always
Y
Y
Y
Y
Y
Y
Y
Y
N/A N/A EMAT
Y
Y
N
N
N
Y
Y
Y
Y
N
N
N
N
N
N
N
N
N
Enable
Flag
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)
(EIE1.1)
EWADC0
(EIE1.2)
EADC0
(EIE1.3)
EPCA0
(EIE1.4)
ECP0
(EIE1.5)
ECSCPT
(EIE2.0)
ECSGRT
(EIE2.1)
Priority
Control
Always
Highest
PSPI0
(IP.6)
PSMB0
(EIP1.0)
PMAT
(EIP1.1)
PWADC0
(EIP1.2)
PADC0
(EIP1.3)
PPCA0
(EIP1.4)
PCP0
(EIP1.5)
PSCCPT
(EIP2.0)
PSCGRT
(EIP2.1)