PIC16C54B-20/SS Microchip Technology, PIC16C54B-20/SS Datasheet - Page 52
![MICRO CTRL 512 20MHZ OTP 20SSOP](/photos/6/58/65895/150-20-ssop_sml.jpg)
PIC16C54B-20/SS
Manufacturer Part Number
PIC16C54B-20/SS
Description
MICRO CTRL 512 20MHZ OTP 20SSOP
Manufacturer
Microchip Technology
Series
PIC® 16Cr
Specifications of PIC16C54B-20/SS
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
20-SSOP
Lead Free Status / RoHS Status
Request inventory verification / Request inventory verification
Eeprom Size
-
Data Converters
-
Connectivity
-
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PIC16C5X
SLEEP
Syntax:
Operands:
Operation:
Status Affected: TO, PD
Encoding:
Description:
Words:
Cycles:
Example:
DS30453B-page 52
Enter SLEEP Mode
[ label ]
None
00h
0
1
0
Time-out status bit (TO) is set. The
power down status bit (PD) is cleared.
The WDT and its prescaler are
cleared.
The processor is put into SLEEP mode
with the oscillator stopped. See sec-
tion on SLEEP for more details.
1
1
SLEEP
0000
WDT prescaler;
TO;
PD
WDT;
SLEEP
0000
0011
Preliminary
SUBWF
Syntax:
Operands:
Operation:
Status Affected: C, DC, Z
Encoding:
Description:
Words:
Cycles:
Example 1:
Example 2:
Example 3:
Before Instruction
After Instruction
Before Instruction
After Instruction
Before Instruction
After Instruction
REG1
W
C
REG1
W
C
REG1
W
C
REG1
W
C
REG1
W
C
REG1
W
C
Subtract W from f
[ label ]
0
d
(f) – (W)
Subtract (2’s complement method) the
W register from register 'f'. If 'd' is 0 the
result is stored in the W register. If 'd' is
1 the result is stored back in register 'f'.
1
1
SUBWF
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
0000
f
[0,1]
3
2
?
1
2
1
2
2
?
0
2
1
1
2
?
FF
2
0
31
1998 Microchip Technology Inc.
SUBWF f,d
REG1, 1
; result is positive
; result is zero
; result is negative
10df
dest)
ffff
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