C8051F326-GM Silicon Laboratories Inc, C8051F326-GM Datasheet - Page 50

• Manufacturer Part Number: C8051F326-GM
• Description: IC 8051 MCU FLASH 16K 28QFN
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F32xr

Specifications of C8051F326-GM

• Program Memory Type: FLASH
• Program Memory Size: 16KB (16K x 8)
• Package / Case: 28-QFN
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: UART/USART, USB
• Peripherals: POR
• Number Of I /o: 15
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: C8051F3x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 1.5 KB
• Interface Type: UART/USB
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 15
• Number Of Timers: 2
• Operating Supply Voltage: 2.7 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F320DK
• Minimum Operating Temperature: - 40 C
• No. Of I/o's: 15
• Ram Memory Size: 1280Byte
• Cpu Speed: 25MHz
• No. Of Timers: 2
• Digital Ic Case Style: QFN
• Supply Voltage: RoHS Compliant
• Package: 28QFN EP
• Device Core: 8051
• Family Name: C8051F326
• Maximum Speed: 25 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 770-1006 - ISP 4PORT FOR SILABS C8051F MCU336-1450 - ADAPTER PROGRAM TOOLSTICK F326336-1306 - KIT DEV FOR C8051F326/7
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1296-5

C8051F326/7
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).
50
Interrupt Source
Reset
External Interrupt 0
(/INT0)
Timer 0 Overflow
External Interrupt 1
(/INT1)
Timer 1 Overflow
UART0
USB0
VBUS Level
*Note: See Section “12.8. Interrupts” on page 101 for more details about the USB interrupt.
Interrupt
0x000B
0x001B
0x007B
0x0000
0x0003
0x0013
0x0023
0x0043
Vector
Table 6.5. Interrupt Summary
Priority
Order
Top
15
0
1
2
3
4
8
Pending Flag
None
IE0 (TCON.1)
TF0 (TCON.5)
IE1 (TCON.3)
TF1 (TCON.7)
RI0 (SCON0.0)
TI0 (SCON0.1)
Special*
N/A
Rev. 1.1
N/A N/A
N/A N/A
Y
Y
Y
Y
Y
N
N
N
Y
Y
Y
Y
Enable
Flag
Always
Enabled
EX0 (IE.0)
ET0 (IE.1) PT0 (IP.1)
EX1 (IE.2)
ET1 (IE.3) PT1 (IP.3)
ES0 (IE.4)
EUSB0
(EIE1.1)
EVBUS
(EIE2.0)
Priority
Control
Always
Highest
PX0
(IP.0)
PX1
(IP.2)
PS0
(IP.4)
PUSB0
(EIP1.1)
PVBUS
(EIP2.0)