C8051F023 Silicon Laboratories Inc, C8051F023 Datasheet - Page 179

• Manufacturer Part Number: C8051F023
• Description: IC 8051 MCU 64K FLASH 64TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F02xr

Specifications of C8051F023

• 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: -

Bit7:
Bit6:
Bit5:
Bit4:
Bit3:
Bit2:
Bit1:
Bit0:
P7H
R/W
Bit7
P7H: Port7 Output Mode High Nibble Bit.
0: P7.[7:4] configured as Open-Drain.
1: P7.[7:4] configured as Push-Pull.
P7L: Port7 Output Mode Low Nibble Bit.
0: P7.[3:0] configured as Open-Drain.
1: P7.[3:0] configured as Push-Pull.
P6H: Port6 Output Mode High Nibble Bit.
0: P6.[7:4] configured as Open-Drain.
1: P6.[7:4] configured as Push-Pull.
P6L: Port6 Output Mode Low Nibble Bit.
0: P6.[3:0] configured as Open-Drain.
1: P6.[3:0] configured as Push-Pull.
P5H: Port5 Output Mode High Nibble Bit.
0: P5.[7:4] configured as Open-Drain.
1: P5.[7:4] configured as Push-Pull.
P5L: Port5 Output Mode Low Nibble Bit.
0: P5.[3:0] configured as Open-Drain.
1: P5.[3:0] configured as Push-Pull.
P4H: Port4 Output Mode High Nibble Bit.
0: P4.[7:4] configured as Open-Drain.
1: P4.[7:4] configured as Push-Pull.
P4L: Port4 Output Mode Low Nibble Bit.
0: P4.[3:0] configured as Open-Drain.
1: P4.[3:0] configured as Push-Pull.
P7L
R/W
Bit6
Figure 17.20. P74OUT: Ports 7 - 4 Output Mode Register
P6H
R/W
Bit5
P6L
R/W
Bit4
P5H
R/W
Bit3
Rev. 1.4
P5L
R/W
Bit2
P4H
C8051F020/1/2/3
R/W
Bit1
P4L
R/W
Bit0
SFR Address:
00000000
Reset Value
0xB5
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