PIC18F2331 MICROCHIP [Microchip Technology], PIC18F2331 Datasheet - Page 319

• Manufacturer Part Number: PIC18F2331
• Description: 28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High Performance PWM and A/D
• Manufacturer: MICROCHIP [Microchip Technology]

RCALL
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
 2003 Microchip Technology Inc.
Q Cycle Activity:
Before Instruction
After Instruction
operation
Decode
PC =
PC =
TOS =
No
Q1
Read literal
Push PC to
Address (HERE)
Address (Jump)
Address (HERE+2)
operation
Relative Call
[ label ] RCALL
-1024
(PC) + 2
(PC) + 2 + 2n
None
Subroutine call with a jump up to
1K from the current location. First,
return address (PC+2) is pushed
onto the stack. Then, add the 2’s
complement number ‘2n’ to the PC.
Since the PC will have incremented
to fetch the next instruction, the
new address will be PC+2+2n. This
instruction is a two-cycle instruc-
tion.
1
2
HERE
stack
1101
No
Q2
‘n’
n
RCALL
1nnn
1023
TOS,
operation
Process
Data
No
Q3
PC
Jump
n
nnnn
Write to PC
operation
PIC18F2331/2431/4331/4431
No
Q4
nnnn
Preliminary
RESET
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
Q Cycle Activity:
After Instruction
Decode
Registers =
Flags*
Q1
=
Reset
[ label ]
None
Reset all registers and flags that
are affected by a MCLR Reset.
All
This instruction provides a way to
execute a MCLR Reset in software.
1
1
RESET
reset
Start
0000
Q2
Reset Value
Reset Value
RESET
0000
operation
No
Q3
DS39616B-page 317
1111
operation
No
Q4
1111