C8051F021-GQR Silicon Laboratories Inc, C8051F021-GQR Datasheet - Page 98

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C8051F021-GQR

Manufacturer Part Number
C8051F021-GQR
Description
IC 8051 MCU 64K FLASH 64TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F02xr
Datasheets

Specifications of C8051F021-GQR

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, 8x12b; D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
For Use With
336-1200 - DEV KIT FOR F020/F021/F022/F023
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-

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0
C8051F020/1/2/3
98
Bit7:
Bit6:
Bit5:
Bit4:
Bits3-2:
Bits1-0:
CP1EN
R/W
Bit7
CP1EN: Comparator1 Enable Bit.
0: Comparator1 Disabled.
1: Comparator1 Enabled.
CP1OUT: Comparator1 Output State Flag.
0: Voltage on CP1+ < CP1-.
1: Voltage on CP1+ > CP1-.
CP1RIF: Comparator1 Rising-Edge Interrupt Flag.
0: No Comparator1 Rising Edge Interrupt has occurred since this flag was last cleared.
1: Comparator1 Rising Edge Interrupt has occurred.
CP1FIF: Comparator1 Falling-Edge Interrupt Flag.
0: No Comparator1 Falling-Edge Interrupt has occurred since this flag was last cleared.
1: Comparator1 Falling-Edge Interrupt has occurred.
CP1HYP1-0: Comparator1 Positive Hysteresis Control Bits.
00: Positive Hysteresis Disabled.
01: Positive Hysteresis = 2 mV.
10: Positive Hysteresis = 4 mV.
11: Positive Hysteresis = 10 mV.
CP1HYN1-0: Comparator1 Negative Hysteresis Control Bits.
00: Negative Hysteresis Disabled.
01: Negative Hysteresis = 2 mV.
10: Negative Hysteresis = 4 mV.
11: Negative Hysteresis = 10 mV.
CP1OUT
R/W
Bit6
Figure 11.4. CPT1CN: Comparator1 Control Register
CP1RIF
R/W
Bit5
CP1FIF
R/W
Bit4
CP1HYP1 CP1HYP0 CP1HYN1 CP1HYN0 00000000
Rev. 1.4
R/W
Bit3
R/W
Bit2
R/W
Bit1
R/W
Bit0
SFR Address:
Reset Value
0x9F

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