C8051F300DK Silicon Laboratories Inc, C8051F300DK Datasheet - Page 107
C8051F300DK
Manufacturer Part Number
C8051F300DK
Description
DEV KIT F300/301/302/303/304/305
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051F300DK
Contents
Evaluation Board, Power Supply, USB Cables, Adapter and Documentation
Processor To Be Evaluated
C8051F30x
Interface Type
USB
Silicon Manufacturer
Silicon Labs
Core Architecture
8051
Silicon Core Number
C8051F300
Silicon Family Name
C8051F30x
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
Silicon Laboratories C8051 F300/001/002
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1246
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Bits7–6: PCA0ME: PCA Module I/0 Enable Bits
Bit5:
Bit4:
Bit3:
Bit2:
Bit1:
Bit0:
Bit7:
Bits6–0: XSKP[6:0]: Crossbar Skip Enable Bits
R/W
R/W
Bit7
Bit7
—
PCA0ME
00: All PCA I/O unavailable at Port pins.
01: CEX0 routed to Port pin.
10: CEX0, CEX1 routed to Port pins.
11: CEX0, CEX1, CEX2 routed to Port pins.
CP0AOEN: Comparator0 Asynchronous Output Enable
0: Asynchronous CP0 unavailable at Port pin.
1: Asynchronous CP0 routed to Port pin.
CP0OEN: Comparator0 Output Enable
0: CP0 unavailable at Port pin.
1: CP0 routed to Port pin.
SYSCKE: /SYSCLK Output Enable
0: /SYSCLK unavailable at Port pin.
1: /SYSCLK output routed to Port pin.
SMB0OEN: SMBus I/O Enable
0: SMBus I/O unavailable at Port pins.
1: SDA, SCL routed to Port pins.
URX0EN: UART RX Enable
0: UART RX0 unavailable at Port pin.
1: UART RX0 routed to Port pin P0.5.
UTX0EN: UART TX Output Enable
0: UART TX0 unavailable at Port pin.
1: UART TX0 routed to Port pin P0.4.
UNUSED. Read = 0b; Write = don’t care.
These bits select Port pins to be skipped by the Crossbar Decoder. Port pins used as ana-
log inputs (for ADC or Comparator) or used as special functions (VREF input, external oscil-
lator circuit, CNVSTR input) should be skipped by the Crossbar.
0: Corresponding P0.n pin is not skipped by the Crossbar.
1: Corresponding P0.n pin is skipped by the Crossbar.
XSKP6
R/W
SFR Definition 12.2. XBR1: Port I/O Crossbar Register 1
R/W
SFR Definition 12.1. XBR0: Port I/O Crossbar Register 0
Bit6
Bit6
CP0AOEN CP0OEN SYSCKE SMB0OEN URX0EN UTX0EN 00000000
XSKP5
R/W
Bit5
R/W
Bit5
XSKP4
R/W
Bit4
R/W
Bit4
XSKP3
Rev. 2.9
R/W
Bit3
R/W
Bit3
XSKP2
R/W
Bit2
R/W
Bit2
C8051F300/1/2/3/4/5
XSKP1
R/W
Bit1
R/W
Bit1
XSKP0
R/W
Bit0
R/W
Bit0
SFR Address:
00000000
Reset Value
SFR Address:
Reset Value
0xE1
0xE2
107
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