C8051F020DK Silicon Laboratories Inc, C8051F020DK Datasheet - Page 251
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
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F020DK
Manufacturer:
SiliconL
Quantity:
10
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Important Note About the PCA0CN Register: If the main PCA counter (PCA0H : PCA0L) overflows during the
execution phase of a read-modify-write instruction (bit-wise SETB or CLR, ANL, ORL, XRL) that targets the
PCA0CN register, the CF (Counter Overflow) bit will not be set. The following steps should be taken when perform-
ing a bit-wise operation on the PCA0CN register:
Step 1. Disable global interrupts (EA = 0).
Step 2. Read PCA0L. This will latch the value of PCA0H.
Step 3. Read PCA0H, saving the value.
Step 4. Execute the bit-wise operation on CCFn (for example, CLR CCF0, or CCF0 = 0;).
Step 5. Read PCA0L.
Step 6. Read PCA0H, saving the value.
Step 7. If the value of PCA0H read in Step 3 is 0xFF and the value for PCA0H read in Step 6 is 0x00, then
Step 8. Re-enable interrupts (EA = 1).
manually set the CF bit in software (for example, SETB CF, or CF = 1;).
Rev. 1.4
C8051F020/1/2/3
251
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