C8051F124TB Silicon Laboratories Inc, C8051F124TB Datasheet - Page 251

• Manufacturer Part Number: C8051F124TB
• Description: MCU, MPU & DSP Development Tools With C8051F124 MCU
• Manufacturer: Silicon Laboratories Inc

Specifications of C8051F124TB

• Processor To Be Evaluated: C8051F12x and C8051F13x
• Interface Type: USB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Note:
Bits7–0: P2MDOUT.[7:0]: Port2 Output Mode Bits.
Bits7–0: P3.[7:0]: Port3 Output Latch Bits.
Note:
P3.7
R/W
R/W
Bit7
Bit7
0: Port Pin output mode is configured as Open-Drain.
1: Port Pin output mode is configured as Push-Pull.
(Write - Output appears on I/O pins per XBR0, XBR1, and XBR2 Registers)
0: Logic Low Output.
1: Logic High Output (open if corresponding P3MDOUT.n bit = 0).
(Read - Regardless of XBR0, XBR1, and XBR2 Register settings).
0: P3.n pin is logic low.
1: P3.n pin is logic high.
SDA, SCL, and RX0 (when UART0 is in Mode 0) and RX1 (when UART1 is in Mode 0) are
always configured as Open-Drain when they appear on Port pins.
P3.[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
Interface and On-Chip XRAM” on page 219
Interface.
P3.6
R/W
R/W
Bit6
Bit6
SFR Definition 18.10. P2MDOUT: Port2 Output Mode
P3.5
R/W
R/W
Bit5
Bit5
SFR Definition 18.11. P3: Port3 Data
P3.4
R/W
R/W
Bit4
Bit4
Rev. 1.4
P3.3
R/W
R/W
Bit3
Bit3
C8051F120/1/2/3/4/5/6/7
for more information about the External Memory
P3.2
R/W
R/W
Bit2
Bit2
Section “17. External Data Memory
C8051F130/1/2/3
P3.1
R/W
R/W
Bit1
Bit1
SFR Address:
SFR Address:
SFR Page:
SFR Page:
P3.0
R/W
R/W
Bit0
Bit0
0xA6
F
0xB0
All Pages
00000000
Addressable
Reset Value
Reset Value
11111111
Bit
251