PIC16C56A/JW Microchip Technology, PIC16C56A/JW Datasheet - Page 59

• Manufacturer Part Number: PIC16C56A/JW
• Description: IC MCU EPROM 1KX12 18CDIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C56A/JW

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: POR, WDT
• Number Of I /o: 12
• Program Memory Size: 1.5KB (1K x 12)
• Program Memory Type: EPROM, UV
• 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-CDIP (0.300", 7.62mm) Window
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -
• Connectivity: -

MOVWF
Syntax:
Operands:
Operation:
Status Affected: None
Encoding:
Description:
Words:
Cycles:
Example:
NOP
Syntax:
Operands:
Operation:
Status Affected: None
Encoding:
Description:
Words:
Cycles:
Example:
2002 Microchip Technology Inc.
Before Instruction
After Instruction
TEMP_REG =
W
TEMP_REG =
W
Move W to f
[ label ]
0
(W)
Move data from the W register to
register ’f’.
1
1
MOVWF TEMP_REG
No Operation
[ label ]
None
No operation
No operation.
1
1
NOP
0000
0000
f
=
=
31
(f)
0xFF
0x4F
0x4F
0x4F
MOVWF
NOP
001f
0000
ffff
0000
f
Preliminary
RETLW
Syntax:
Operands:
Operation:
Status Affected: None
Encoding:
Description:
Words:
Cycles:
Example:
TABLE
OPTION
Syntax:
Operands:
Operation:
Status Affected: None
Encoding:
Description:
Words:
Cycles:
Example
Before Instruction
After Instruction
Before Instruction
After Instruction
W
OPTION
W
W
Return with Literal in W
[ label ]
0
k
TOS
The W register is loaded with the
eight bit literal ’k’. The program
counter is loaded from the top of
the stack (the return address). This
is a two-cycle instruction.
1
2
CALL TABLE ;W contains
•
•
•
ADDWF PC
RETLW k1
RETLW k2
•
•
•
RETLW kn
Load OPTION Register
[ label ]
None
(W)
The content of the W register is
loaded into the OPTION register.
1
1
OPTION
1000
0000
=
=
=
=
k
(W);
0x07
value of k8
0x07
0x07
255
OPTION
PC
RETLW k
PIC16C5X
kkkk
OPTION
0000
;W now has table
;table offset
;value.
;value.
;W = offset
;Begin table
;
; End of table
DS30453D-page 57
kkkk
0010