PIC16C55-XT/SO Microchip Technology, PIC16C55-XT/SO Datasheet - Page 55

• Manufacturer Part Number: PIC16C55-XT/SO
• Description: IC MCU OTP 512X12 28SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C55-XT/SO

• Core Size: 8-Bit
• Program Memory Size: 768B (512 x 12)
• Oscillator Type: External
• Core Processor: PIC
• Speed: 4MHz
• Peripherals: POR, WDT
• Number Of I /o: 20
• Program Memory Type: OTP
• Ram Size: 24 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 6.25 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-SOIC (7.5mm Width)
• Controller Family/series: PIC16C
• No. Of I/o's: 20
• Ram Memory Size: 24Byte
• Cpu Speed: 40MHz
• No. Of Timers: 1
• Digital Ic: RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT28SO-1 - SOCKET TRANSITION 28SOIC 300MIL309-1073 - ADAPTER 28-SOIC TO 28-SOIC309-1024 - ADAPTER 28-SOIC TO 28-DIP309-1023 - ADAPTER 28-SOIC TO 28-DIP309-1011 - ADAPTER 18-SOIC TO 18-DIP309-1010 - ADAPTER 18-SOIC TO 18-DIPAC164002 - MODULE SKT PROMATEII 18/28SOIC
• Eeprom Size: -
• Data Converters: -
• Connectivity: -
• Lead Free Status / RoHS Status: 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:
2002 Microchip Technology Inc.
Before Instruction
After Instruction
Before Instruction
After Instruction
FLAG_REG =
FLAG_REG =
Z
PC
PC
TOS =
=
=
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
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
address (HERE)
address (THERE)
address (HERE + 1)
k
f
=
PC<7:0>;
PC<8>
Z
31
(f);
255
0x5A
0x00
1
CALL
FLAG_REG
kkkk
011f
TOS;
f
THERE
kkkk
ffff
PC<10:9>;
Preliminary
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
WDT counter
WDT counter
WDT prescaler =
TO
PD
W
W
Z
=
=
=
Clear W
[ label ] CLRW
None
00h
1
The W register is cleared. Zero bit
(Z) is set.
1
1
CLRW
Clear Watchdog Timer
[ label ] CLRWDT
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
0x5A
0x00
1
Z
WDT prescaler (if assigned);
TO;
PD
=
=
=
=
(W);
WDT;
PIC16C5X
0100
0000
0x00
0
1
1
?
DS30453D-page 53
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0100