PIC16C505-20I/SL Microchip Technology, PIC16C505-20I/SL Datasheet - Page 43

• Manufacturer Part Number: PIC16C505-20I/SL
• Description: IC MCU OTP 1KX12 14SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C505-20I/SL

• Core Size: 8-Bit
• Program Memory Size: 1.5KB (1K x 12)
• Core Processor: PIC
• Speed: 20MHz
• Peripherals: POR, WDT
• Number Of I /o: 11
• Program Memory Type: OTP
• Ram Size: 72 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 14-SOIC (3.9mm Width), 14-SOL
• Controller Family/series: PIC16C
• No. Of I/o's: 12
• Ram Memory Size: 72Byte
• Cpu Speed: 20MHz
• No. Of Timers: 1
• Digital Ic Case Style: SOIC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: ISPICR1 - ADAPTER IN-CIRCUIT PROGRAMMING309-1086 - ADAPTER 14-ZIF BD W/14-SO PLUGS309-1085 - ADAPTER 14-DIP BD W/2 14-SO PLUG309-1001 - ADAPTER 14-SOIC TO 14-DIP309-1000 - ADAPTER 14-SOIC TO 14-DIP
• Eeprom Size: -
• Data Converters: -
• Connectivity: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

CALL
Syntax:
Operands:
Operation:
Status Affected: None
Encoding:
Description:
Words:
Cycles:
Example:
CLRF
Syntax:
Operands:
Operation:
Status Affected: Z
Encoding:
Description:
Words:
Cycles:
Example:
1999 Microchip Technology Inc.
Before Instruction
After Instruction
Before Instruction
After Instruction
PC =
PC =
TOS =
FLAG_REG
FLAG_REG
Z
Subroutine Call
[ label ] CALL k
0
(PC) + 1
k
(STATUS<6:5>)
0
Subroutine call. First, return
address (PC+1) is pushed onto the
stack. The eight bit immediate
address is loaded into PC bits
<7:0>. The upper bits PC<10:9>
are loaded from STATUS<6:5>,
PC<8> is cleared. CALL is a two
cycle instruction.
1
2
HERE
address (HERE)
address (THERE)
address (HERE + 1)
Clear f
[ label ] CLRF
0
00h
1
The contents of register ’f’ are
cleared and the Z bit is set.
1
1
CLRF
1001
0000
k
f
=
=
=
PC<7:0>;
PC<8>
Z
31
255
(f);
CALL
FLAG_REG
0x5A
0x00
1
kkkk
011f
Top of Stack;
f
THERE
PC<10:9>;
kkkk
ffff
CLRW
Syntax:
Operands:
Operation:
Status Affected: Z
Encoding:
Description:
Words:
Cycles:
Example:
CLRWDT
Syntax:
Operands:
Operation:
Status Affected: TO, PD
Encoding:
Description:
Words:
Cycles:
Example:
Before Instruction
After Instruction
Before Instruction
After Instruction
W
W
Z
WDT counter =
WDT counter =
WDT prescale =
TO
PD
=
=
=
Clear W
[ label ] CLRW
The W register is cleared. Zero bit
[ label ] CLRWDT
None
00h
1
(Z) is set.
1
1
CLRW
0x5A
0x00
1
Clear Watchdog Timer
None
00h
0
1
1
The CLRWDT instruction resets the
WDT. It also resets the prescaler, if
the prescaler is assigned to the
WDT and not Timer0. Status bits
TO and PD are set.
1
1
CLRWDT
0000
0000
=
=
Z
WDT prescaler (if assigned);
TO;
PD
(W);
WDT;
PIC16C505
?
0x00
0
1
1
0100
0000
DS40192C-page 43
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