C8051F040DK Silicon Laboratories Inc, C8051F040DK Datasheet - Page 151
![DEV KIT FOR F040/F041/F042/F043](/photos/9/25/92582/c8051f040dk_sml.jpg)
C8051F040DK
Manufacturer Part Number
C8051F040DK
Description
DEV KIT FOR F040/F041/F042/F043
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051F040DK
Contents
Evaluation Board, Power Supply, USB Cables, Adapter and Documentation
Processor To Be Evaluated
C8051F04x
Interface Type
USB
Silicon Manufacturer
Silicon Labs
Core Architecture
8051
Silicon Core Number
C8051F040
Silicon Family Name
C8051F04x
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
Silicon Laboratories C8051 F040, 041, 042, 043 MCUs
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1205
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F040DK
Manufacturer:
SiliconL
Quantity:
9
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Bit7:
Bit6:
Bit5:
Bits4-3:
Bit2:
Bit1:
Bit0:
R/W
CY
Bit7
CY: Carry Flag.
This bit is set when the last arithmetic operation resulted in a carry (addition) or a borrow
(subtraction). It is cleared to 0 by all other arithmetic operations.
AC: Auxiliary Carry Flag
This bit is set when the last arithmetic operation resulted in a carry into (addition) or a borrow
from (subtraction) the high order nibble. It is cleared to 0 by all other arithmetic operations.
F0: User Flag 0.
This is a bit-addressable, general purpose flag for use under software control.
RS1-RS0: Register Bank Select.
These bits select which register bank is used during register accesses.
OV: Overflow Flag.
This bit is set to 1 under the following circumstances:
The OV bit is cleared to 0 by the ADD, ADDC, SUBB, MUL, and DIV instructions in all
F1: User Flag 1.
This is a bit-addressable, general purpose flag for use under software control.
PARITY: Parity Flag.
This bit is set to 1 if the sum of the eight bits in the accumulator is odd and cleared if the sum
is even.
other cases.
• An ADD, ADDC, or SUBB instruction causes a sign-change overflow.
• A MUL instruction results in an overflow (result is greater than 255).
• A DIV instruction causes a divide-by-zero condition.
RS1
0
0
1
1
R/W
AC
Bit6
SFR Definition 12.8. PSW: Program Status Word
RS0
0
1
0
1
R/W
Bit5
F0
Register Bank
RS1
R/W
Bit4
0
1
2
3
Rev. 1.5
RS0
R/W
Bit3
0x00–0x07
0x08–0x0F
0x10–0x17
0x18–0x1F
Address
C8051F040/1/2/3/4/5/6/7
R/W
OV
Bit2
R/W
Bit1
F1
SFR Address:
PARITY
SFR Page:
R/W
Bit0
0xD0
All Pages
00000000
Addressable
Reset Value
Bit
151
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