C8051F020 Silicon Laboratories Inc, C8051F020 Datasheet - Page 181
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C8051F020
Manufacturer Part Number
C8051F020
Description
IC 8051 MCU 64K FLASH 100TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F02xr
Specifications of C8051F020
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, 8x12b; 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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Manufacturer
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Bits7-0:
Note:
Bits7-0:
Note:
P6.7
P7.7
R/W
R/W
Bit7
Bit7
P6.[7:0]: Port6 Output Latch Bits.
Write - Output appears on I/O pins.
0: Logic Low Output.
1: Logic High Output (Open-Drain if corresponding P74OUT bit = 0). See Figure 17.20.
Read - Returns states of I/O pins.
0: P6.n pin is logic low.
1: P6.n pin is logic high.
P6.[7:0] can be driven by the External Data Memory Interface (as Address[15:8] in Multiplexed
mode, or as Address[7:0] in Non-multiplexed mode). See
ORY INTERFACE AND ON-CHIP XRAM” on page 145
Memory Interface.
P7.[7:0]: Port7 Output Latch Bits.
Write - Output appears on I/O pins.
0: Logic Low Output.
1: Logic High Output (Open-Drain if corresponding P74OUT bit = 0). See Figure 17.20.
Read - Returns states of I/O pins.
0: P7.n pin is logic low.
1: P7.n pin is logic high.
P7.[7:0] can be driven by the External Data Memory Interface (as AD[7:0] in Multiplexed mode, or
as D[7:0] in Non-multiplexed mode). See
FACE AND ON-CHIP XRAM” on page 145
Interface.
P6.6
P7.6
R/W
R/W
Bit6
Bit6
P6.5
P7.5
R/W
R/W
Bit5
Bit5
Figure 17.23. P6: Port6 Data Register
Figure 17.24. P7: Port7 Data Register
P6.4
P7.4
R/W
R/W
Bit4
Bit4
P6.3
P7.3
Section “16. EXTERNAL DATA MEMORY INTER-
R/W
R/W
Bit3
Bit3
Rev. 1.4
for more information about the External Memory
P6.2
P7.2
R/W
R/W
Bit2
Bit2
Section “16. EXTERNAL DATA MEM-
for more information about the External
P6.1
P7.1
C8051F020/1/2/3
R/W
R/W
Bit1
Bit1
P6.0
P7.0
R/W
R/W
Bit0
Bit0
SFR Address:
SFR Address:
Reset Value
11111111
Reset Value
11111111
0x86
0x96
181