C8051F020DK Silicon Laboratories Inc, C8051F020DK Datasheet - Page 172
C8051F020DK
Manufacturer Part Number
C8051F020DK
Description
DEV KIT FOR F020/F021/F022/F023
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Datasheet
1.C8051F020DK.pdf
(272 pages)
Specifications of C8051F020DK
Contents
Evaluation Board, Power Supply, USB Cables, Adapter and Documentation
Processor To Be Evaluated
C8051F02x
Interface Type
USB
Silicon Manufacturer
Silicon Labs
Core Architecture
8051
Silicon Core Number
C8051F020
Silicon Family Name
C8051F02x
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
Silicon Laboratories C8051 F020/021/022/023
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1200
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F020DK
Manufacturer:
SiliconL
Quantity:
10
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C8051F020/1/2/3
172
Bit7:
Bit6:
Bit5:
Bit4:
Bit3:
Bit2:
Bit1:
Bit0:
WEAKPUD XBARE
R/W
Bit7
WEAKPUD: Weak Pull-Up Disable Bit.
0: Weak pull-ups globally enabled.
1: Weak pull-ups globally disabled.
XBARE: Crossbar Enable Bit.
0: Crossbar disabled. All pins on Ports 0, 1, 2, and 3, are forced to Input mode.
1: Crossbar enabled.
UNUSED. Read = 0, Write = don't care.
T4EXE: T4EX Input Enable Bit.
0: T4EX unavailable at Port pin.
1: T4EX routed to Port pin.
T4E: T4 Input Enable Bit.
0: T4 unavailable at Port pin.
1: T4 routed to Port pin.
UART1E: UART1 I/O Enable Bit.
0: UART1 I/O unavailable at Port pins.
1: UART1 TX and RX routed to 2 Port pins.
EMIFLE: External Memory Interface Low-Port Enable Bit.
0: P0.7, P0.6, and P0.5 functions are determined by the Crossbar or the Port latches.
1: If EMI0CF.4 = ‘0’ (External Memory Interface is in Multiplexed mode)
1: If EMI0CF.4 = ‘1’ (External Memory Interface is in Non-multiplexed mode)
CNVSTE: External Convert Start Input Enable Bit.
0: CNVSTR unavailable at Port pin.
1: CNVSTR routed to Port pin.
R/W
Bit6
P0.7 (/WR), P0.6 (/RD), and P0.5 (ALE) are ‘skipped’ by the Crossbar and their output
states are determined by the Port latches and the External Memory Interface.
P0.7 (/WR) and P0.6 (/RD) are ‘skipped’ by the Crossbar and their output states are
determined by the Port latches and the External Memory Interface.
Figure 17.9. XBR2: Port I/O Crossbar Register 2
R/W
Bit5
-
T4EXE
R/W
Bit4
Rev. 1.4
T4E
R/W
Bit3
UART1E
R/W
Bit2
EMIFLE
R/W
Bit1
CNVSTE
R/W
Bit0
SFR Address:
00000000
Reset Value
0xE3
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