C8051F022 Silicon Laboratories Inc, C8051F022 Datasheet - Page 231
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C8051F022
Manufacturer Part Number
C8051F022
Description
IC 8051 MCU 64K FLASH 100TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F02xr
Specifications of C8051F022
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
64
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
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Company
Part Number
Manufacturer
Quantity
Price
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Part Number:
C8051F022
Manufacturer:
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Manufacturer:
Silicon Laboratories Inc
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Company:
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Silicon Laboratories Inc
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Bit7:
Bit6:
Bit5:
Bit4:
Bit3:
Bit2:
Bit1:
Bit0:
TF1
R/W
Bit7
TF1: Timer 1 Overflow Flag.
Set by hardware when Timer 1 overflows. This flag can be cleared by software but is automatically
cleared when the CPU vectors to the Timer 1 interrupt service routine.
0: No Timer 1 overflow detected.
1: Timer 1 has overflowed.
TR1: Timer 1 Run Control.
0: Timer 1 disabled.
1: Timer 1 enabled.
TF0: Timer 0 Overflow Flag.
Set by hardware when Timer 0 overflows. This flag can be cleared by software but is automatically
cleared when the CPU vectors to the Timer 0 interrupt service routine.
0: No Timer 0 overflow detected.
1: Timer 0 has overflowed.
TR0: Timer 0 Run Control.
0: Timer 0 disabled.
1: Timer 0 enabled.
IE1: External Interrupt 1.
This flag is set by hardware when an edge/level of type defined by IT1 is detected. It can be cleared
by software but is automatically cleared when the CPU vectors to the External Interrupt 1 service rou-
tine if IT1 = 1. This flag is the inverse of the /INT1 input signal's logic level when IT1 = 0.
IT1: Interrupt 1 Type Select.
This bit selects whether the configured /INT1 signal will detect falling edge or active-low level-sensi-
tive interrupts.
0: /INT1 is level triggered.
1: /INT1 is edge triggered.
IE0: External Interrupt 0.
This flag is set by hardware when an edge/level of type defined by IT0 is detected. It can be cleared
by software but is automatically cleared when the CPU vectors to the External Interrupt 0 service rou-
tine if IT0 = 1. This flag is the inverse of the /INT0 input signal's logic level when IT0 = 0.
IT0: Interrupt 0 Type Select.
This bit selects whether the configured /INT0 signal will detect falling edge or active-low level-sensi-
tive interrupts.
0: /INT0 is level triggered.
1: /INT0 is edge triggered.
TR1
R/W
Bit6
Figure 22.5. TCON: Timer Control Register
TF0
R/W
Bit5
TR0
R/W
Bit4
R/W
IE1
Bit3
Rev. 1.4
R/W
IT1
Bit2
C8051F020/1/2/3
R/W
IE0
Bit1
(bit addressable)
R/W
IT0
Bit0
SFR Address:
00000000
Reset Value
0x88
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