C8051F019 Silicon Laboratories Inc, C8051F019 Datasheet - Page 62

• Manufacturer Part Number: C8051F019
• Description: IC 8051 MCU 16K FLASH 48TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F018r

Specifications of C8051F019

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 16
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 2.8 V ~ 3.6 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-TQFP, 48-VQFP
• Data Bus Width: 8 bit
• Data Ram Size: 1.25 KB
• Interface Type: I2C, SMBus, SPI, UART
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 16
• Number Of Timers: 16 bit
• Operating Supply Voltage: 2.8 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: No

Bits7-6: UNUSED. Read = 11b, Write = don’t care.
Bit5:
Bit4:
Bit3:
Bit2:
Bit1:
Bit0:
R/W
Bit7
-
This bit sets the priority of the Timer 2 interrupts.
0: Timer 2 interrupts set to low priority level.
1: Timer 2 interrupts set to high priority level.
This bit sets the priority of the Serial Port (UART) interrupts.
0: UART interrupts set to low priority level.
1: UART interrupts set to high priority level.
This bit sets the priority of the Timer 1 interrupts.
0: Timer 1 interrupts set to low priority level.
1: Timer 1 interrupts set to high priority level.
This bit sets the priority of the External Interrupt 1 interrupts.
0: External Interrupt 1 set to low priority level.
1: External Interrupt 1 set to high priority level.
This bit sets the priority of the Timer 0 interrupts.
0: Timer 0 interrupt set to low priority level.
1: Timer 0 interrupt set to high priority level.
This bit sets the priority of the External Interrupt 0 interrupts.
0: External Interrupt 0 set to low priority level.
1: External Interrupt 0 set to high priority level.
PT2 Timer 2 Interrupt Priority Control.
PS: Serial Port (UART) Interrupt Priority Control.
PT1: Timer 1 Interrupt Priority Control.
PX1: External Interrupt 1 Priority Control.
PT0: Timer 0 Interrupt Priority Control.
PX0: External Interrupt 0 Priority Control.
R/W
Bit6
-
R/W
PT2
Bit5
Figure 8.10. IP: Interrupt Priority
R/W
Bit4
PS
Rev. 1.2
R/W
PT1
Bit3
PX1
R/W
Bit2
R/W
PT0
Bit1
C8051F018
C8051F019
(bit addressable)
R/W
PX0
Bit0
0xB8
SFR Address:
Reset Value
00000000
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