C8051F022 Silicon Laboratories Inc, C8051F022 Datasheet - Page 242
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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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Silicon Laboratories Inc
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C8051F022R
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Silicon Laboratories Inc
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C8051F020/1/2/3
242
Bits 7-0: TMR3RLH: Timer 3 Reload Register High Byte.
Bits 7-0: TMR3L: Timer 3 Low Byte.
Bits 7-0: TMR3H: Timer 3 High Byte.
R/W
R/W
R/W
Bit7
Bit7
Bit7
Timer 3 is configured as an auto-reload timer. This register holds the high byte of the reload value.
The TMR3L register is the low byte of Timer 3.
The TMR3H register is the high byte of Timer 3.
Figure 22.22. TMR3RLH: Timer 3 Reload Register High Byte
R/W
R/W
R/W
Bit6
Bit6
Bit6
R/W
R/W
Figure 22.24. TMR3H: Timer 3 High Byte
R/W
Bit5
Bit5
Bit5
Figure 22.23. TMR3L: Timer 3 Low Byte
R/W
R/W
R/W
Bit4
Bit4
Bit4
Rev. 1.4
R/W
R/W
R/W
Bit3
Bit3
Bit3
R/W
R/W
R/W
Bit2
Bit2
Bit2
R/W
R/W
R/W
Bit1
Bit1
Bit1
R/W
R/W
R/W
Bit0
Bit0
Bit0
SFR Address:
SFR Address:
SFR Address:
00000000
00000000
00000000
Reset Value
Reset Value
Reset Value
0x93
0x94
0x95
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