PIC16C642-04E/SO Microchip Technology, PIC16C642-04E/SO Datasheet - Page 83

• Manufacturer Part Number: PIC16C642-04E/SO
• Description: IC MCU OTP 4KX14 COMP 28SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C642-04E/SO

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 4MHz
• Peripherals: Brown-out Detect/Reset, LED, POR, WDT
• Number Of I /o: 22
• Program Memory Size: 7KB (4K x 14)
• Program Memory Type: OTP
• Ram Size: 176 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 6 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Connectivity: -

RETURN
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example
RLF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example
1996 Microchip Technology Inc.
Return from Subroutine
[ label ]
None
TOS
None
Return from subroutine. The stack is
POPed and the top of the stack (TOS)
is loaded into the program counter.
This is a two cycle instruction.
1
2
After Interrupt
Rotate Left f through Carry
[ label ]
0
d
See description below
C
The contents of register 'f' are rotated
one bit to the left through the Carry
Flag. If 'd' is 0 the result is placed in
the W register. If 'd' is 1 the result is
stored back in register 'f'.
1
1
Before Instruction
After Instruction
RETURN
RLF
00
00
f
[0,1]
127
PC
C
PC =
RETURN
REG1
C
REG1
W
C
0000
RLF
1101
REG1,0
Register f
TOS
f,d
0000
=
=
=
=
=
dfff
1110 0110
0
1110 0110
1100 1100
1
1000
ffff
PIC16C64X & PIC16C66X
RRF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example
SLEEP
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
Rotate Right f through Carry
[ label ]
0
d
See description below
C
The contents of register 'f' are rotated
one bit to the right through the Carry
Flag. If 'd' is 0 the result is placed in
the W register. If 'd' is 1 the result is
placed back in register 'f'.
1
1
Before Instruction
After Instruction
[ label ]
None
00h
0
1
0
TO, PD
The power-down status bit, PD is
cleared. Time-out status bit, TO is
set. Watchdog Timer and its pres-
caler are cleared.
The processor is put into SLEEP
mode with the oscillator stopped.
See Power-Down Mode (SLEEP) for
more details.
1
1
SLEEP
RRF
00
f
00
[0,1]
WDT prescaler,
TO,
PD
127
C
WDT,
REG1
C
REG1
W
C
RRF f,d
1100
SLEEP
0000
DS30559A-page 83
Register f
REG1,0
=
=
=
=
=
dfff
0110
1110 0110
0
1110 0110
0111 0011
0
0011
ffff