PIC16C54B-20/SO Microchip Technology, PIC16C54B-20/SO Datasheet - Page 46
PIC16C54B-20/SO
Manufacturer Part Number
PIC16C54B-20/SO
Description
MICRO CTRL 512 20MHZ OTP 18SOIC
Manufacturer
Microchip Technology
Series
PIC® 16Cr
Specifications of PIC16C54B-20/SO
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Peripherals
POR, WDT
Number Of I /o
12
Program Memory Size
768B (512 x 12)
Program Memory Type
OTP
Ram Size
25 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
18-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Request inventory verification / Request inventory verification
Eeprom Size
-
Data Converters
-
Connectivity
-
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PIC16C5X
BSF
Syntax:
Operands:
Operation:
Status Affected: None
Encoding:
Description:
Words:
Cycles:
Example:
BTFSC
Syntax:
Operands:
Operation:
Status Affected: None
Encoding:
Description:
Words:
Cycles:
Example:
DS30453B-page 46
Before Instruction
After Instruction
Before Instruction
After Instruction
FLAG_REG = 0x0A
FLAG_REG = 0x8A
PC
if FLAG<1>
PC
if FLAG<1>
PC
Bit Set f
[ label ] BSF
0
0
1
Bit 'b' in register 'f' is set.
1
1
BSF
Bit Test f, Skip if Clear
[ label ] BTFSC f,b
0
0
skip if (f<b>) = 0
If bit 'b' in register 'f' is 0 then the next
instruction is skipped.
If bit 'b' is 0 then the next instruction
fetched during the current instruction
execution is discarded, and an NOP is
executed instead, making this a 2 cycle
instruction.
1
1(2)
HERE
FALSE
TRUE
0101
0110
f
b
f
b
=
=
=
=
=
(f<b>)
31
31
7
7
FLAG_REG,
BTFSC
GOTO
•
•
•
address (HERE)
0,
address (TRUE);
1,
address(FALSE)
bbbf
bbbf
f,b
FLAG,1
PROCESS_CODE
ffff
ffff
7
Preliminary
BTFSS
Syntax:
Operands:
Operation:
Status Affected: None
Encoding:
Description:
Words:
Cycles:
Example:
Before Instruction
After Instruction
PC
If FLAG<1>
PC
if FLAG<1>
PC
Bit Test f, Skip if Set
[ label ] BTFSS f,b
0
0
skip if (f<b>) = 1
If bit 'b' in register 'f' is '1' then the next
instruction is skipped.
If bit 'b' is '1', then the next instruction
fetched during the current instruction
execution, is discarded and an NOP is
executed instead, making this a 2 cycle
instruction.
1
1(2)
HERE
FALSE
TRUE
0111
f
b < 7
=
=
=
=
=
31
1998 Microchip Technology Inc.
BTFSS
GOTO
address (HERE)
0,
address (FALSE);
1,
address (TRUE)
bbbf
FLAG,1
PROCESS_CODE
ffff
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