PIC16C554-20I/P Microchip Technology, PIC16C554-20I/P Datasheet - Page 61

• Manufacturer Part Number: PIC16C554-20I/P
• Description: IC MCU OTP 512X14 18DIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C554-20I/P

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: POR, WDT
• Number Of I /o: 13
• Program Memory Size: 896B (512 x 14)
• Program Memory Type: OTP
• Ram Size: 80 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 18-DIP (0.300", 7.62mm)
• Processor Series: PIC16C
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 80 B
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 13
• Number Of Timers: 8
• Operating Supply Voltage: 2.5 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: ICE2000
• Minimum Operating Temperature: - 40 C
• Data Rom Size: 80 B
• Height: 3.3 mm
• Length: 22.86 mm
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 3 V
• Width: 6.35 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Connectivity: -
• Lead Free Status / Rohs Status: Details

Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example
 2002 Microchip Technology Inc.
DECFSZ
(f) - 1 → (dest);
[ label ] DECFSZ f,d
0 ≤ f ≤ 127
d ∈ [0,1]
None
The contents of register 'f' are
decremented. If 'd' is 0 the result is
placed in the W register. If 'd' is 1 the
result is placed back in register 'f'.
If the result is 0, the next instruction,
which is already fetched, is discarded.
A NOP is executed instead making it a
two-cycle instruction.
1
1(2)
Before Instruction
After Instruction
Decrement f, Skip if 0
00
HERE
CONTINUE •
CNT
if CNT = 0,
PC
if CNT ≠ 0,
PC
PC
1011
=
= CNT - 1
= address CONTINUE
= address HERE+1
DECFSZ
GOTO
•
•
address
skip if result = 0
dfff
HERE
CNT, 1
LOOP
ffff
Preliminary
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example
GOTO
INCF
[ label ]
0 ≤ k ≤ 2047
k → PC<10:0>
PCLATH<4:3> → PC<12:11>
None
GOTO is an unconditional branch. The
eleven bit immediate value is loaded
into PC bits <10:0>. The upper bits of
PC are loaded from PCLATH<4:3>.
GOTO is a two-cycle instruction.
1
2
After Instruction
[ label ]
0 ≤ f ≤ 127
d ∈ [0,1]
(f) + 1 → (dest)
Z
The contents of register 'f' are
incremented. 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
Unconditional Branch
10
GOTO THERE
Increment f
00
INCF
PC
CNT =
Z
CNT =
Z
PIC16C55X
GOTO k
INCF f,d
=
=
=
1kkk
1010
CNT,
Address THERE
0xFF
0
0x00
1
DS40143D-page 59
kkkk
dfff
1
kkkk
ffff