C8051F023R Silicon Laboratories Inc, C8051F023R Datasheet - Page 124

• Manufacturer Part Number: C8051F023R
• Description: IC 8051 MCU 64K FLASH 64TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F02xr

Specifications of C8051F023R

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 32
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 4.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 8x8b, 8x10b; D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: 336-1035-2

C8051F020/1/2/3
124
Bit7:
Bit6:
Bit5:
Bit4:
Bit3:
Bit2:
Bit1:
Bit0:
PXVLD
R/W
Bit7
PXVLD: External Clock Source Valid (XTLVLD) Interrupt Priority Control.
This bit sets the priority of the XTLVLD interrupt.
0: XTLVLD interrupt set to low priority level.
1: XTLVLD interrupt set to high priority level.
EP1: UART1 Interrupt Priority Control.
This bit sets the priority of the UART1 interrupt.
0: UART1 interrupt set to low priority.
1: UART1 interrupt set to high priority.
PX7: External Interrupt 7 Priority Control.
This bit sets the priority of the External Interrupt 7.
0: External Interrupt 7 set to low priority level.
1: External Interrupt 7 set to high priority level.
PX6: External Interrupt 6 Priority Control.
This bit sets the priority of the External Interrupt 6.
0: External Interrupt 6 set to low priority level.
1: External Interrupt 6 set to high priority level.
PADC1: ADC1 End Of Conversion Interrupt Priority Control.
This bit sets the priority of the ADC1 End of Conversion interrupt.
0: ADC1 End of Conversion interrupt set to low priority.
1: ADC1 End of Conversion interrupt set to low priority.
PT4: Timer 4 Interrupt Priority Control.
This bit sets the priority of the Timer 4 interrupt.
0: Timer 4 interrupt set to low priority.
1: Timer 4 interrupt set to low priority.
PADC0: ADC End of Conversion Interrupt Priority Control.
This bit sets the priority of the ADC0 End of Conversion Interrupt.
0: ADC0 End of Conversion interrupt set to low priority level.
1: ADC0 End of Conversion interrupt set to high priority level.
PT3: Timer 3 Interrupt Priority Control.
This bit sets the priority of the Timer 3 interrupts.
0: Timer 3 interrupt priority determined by default priority order.
1: Timer 3 interrupt set to high priority level.
EP1
R/W
Bit6
Figure 12.14. EIP2: Extended Interrupt Priority 2
PX7
R/W
Bit5
PX6
R/W
Bit4
Rev. 1.4
PADC1
R/W
Bit3
PT4
R/W
Bit2
PADC0
R/W
Bit1
PT3
R/W
Bit0
SFR Address:
00000000
Reset Value
0xF7