C8051F023R Silicon Laboratories Inc, C8051F023R Datasheet - Page 120

IC 8051 MCU 64K FLASH 64TQFP

C8051F023R

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

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
Figure 12.10. IP: Interrupt Priority
R/W
R/W
R/W
-
-
PT2
Bit7
Bit6
Bit5
Bits7-6:
UNUSED. Read = 11b, Write = don't care.
Bit5:
PT2: Timer 2 Interrupt Priority Control.
This bit sets the priority of the Timer 2 interrupt.
0: Timer 2 interrupt priority determined by default priority order.
1: Timer 2 interrupts set to high priority level.
Bit4:
PS0: UART0 Interrupt Priority Control.
This bit sets the priority of the UART0 interrupt.
0: UART0 interrupt priority determined by default priority order.
1: UART0 interrupts set to high priority level.
Bit3:
PT1: Timer 1 Interrupt Priority Control.
This bit sets the priority of the Timer 1 interrupt.
0: Timer 1 interrupt priority determined by default priority order.
1: Timer 1 interrupts set to high priority level.
Bit2:
PX1: External Interrupt 1 Priority Control.
This bit sets the priority of the External Interrupt 1 interrupt.
0: External Interrupt 1 priority determined by default priority order.
1: External Interrupt 1 set to high priority level.
Bit1:
PT0: Timer 0 Interrupt Priority Control.
This bit sets the priority of the Timer 0 interrupt.
0: Timer 0 interrupt priority determined by default priority order.
1: Timer 0 interrupt set to high priority level.
Bit0:
PX0: External Interrupt 0 Priority Control.
This bit sets the priority of the External Interrupt 0 interrupt.
0: External Interrupt 0 priority determined by default priority order.
1: External Interrupt 0 set to high priority level.
120
R/W
R/W
R/W
R/W
PS0
PT1
PX1
PT0
Bit4
Bit3
Bit2
Bit1
Rev. 1.4
R/W
Reset Value
PX0
00000000
Bit0
SFR Address:
0xB8
(bit addressable)

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