PIC14000-20/SS Microchip Technology, PIC14000-20/SS Datasheet - Page 101

• Manufacturer Part Number: PIC14000-20/SS
• Description: IC MCU OTP 4KX14 A/D 28SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 14r

Specifications of PIC14000-20/SS

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C
• Peripherals: POR, Temp Sensor, WDT
• Number Of I /o: 20
• Program Memory Size: 7KB (4K x 14)
• Program Memory Type: OTP
• Ram Size: 192 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 6 V
• Data Converters: Slope A/D
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-SSOP
• Processor Series: PIC14000
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 192 B
• Interface Type: SPI, UART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 22
• Number Of Timers: 1
• Operating Supply Voltage: 2.7 V to 6 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: ICE2000
• Minimum Operating Temperature: 0 C
• On-chip Adc: 14 bit
• For Use With: 309-1025 - ADAPTER 28-SSOP TO 28-DIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

SUBLW
Syntax:
Operands:
Operation:
Status
Affected:
Encoding:
Description:
Words:
Cycles:
Example 1:
Example 2:
Example 3:
1996 Microchip Technology Inc.
C, DC, Z
The W register is subtracted (2’s com-
plement method) from the eight bit literal
'k'. The result is placed in the W register.
SUBLW
Before Instruction
After Instruction
After Instruction
After Instruction
Subtract W from Literal
[ label ]
0
k - (W)
1
1
Before Instruction
Before Instruction
11
k
255
W
C
W
C
W
C
W
C
W
C
W
C
tive
SUBLW k
W)
0x02
110x
=
=
=
=
=
=
=
=
=
=
=
=
1
?
1
1; result is positive
2
?
0
1; result is zero
3
?
0xFF
0; result is nega-
kkkk
kkkk
Preliminary
SUBWF
Syntax:
Operands:
Operation:
Status
Affected:
Encoding:
Description:
Words:
Cycles:
Example 1:
Example 2:
Example 3:
Subtract W from f
[ label ]
0
d
(f) - (W)
C, DC, Z
Subtract (2’s complement method) W reg-
ister from register 'f'. If 'd' is 0 the result is
stored in the W register. If 'd' is 1 the
result is stored back in register 'f'.
1
1
SUBWF
Before Instruction
After Instruction
Before Instruction
After Instruction
Before Instruction
After Instruction
f
00
[0,1]
REG1
W
C
REG1
W
C
REG1
W
C
REG1
W
C
REG1
W
C
REG1
W
C
127
SUBWF f,d
REG1,1
dest)
0010
PIC14000
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
DS40122B-page 101
3
2
?
1
2
1; result is positive
2
2
?
0
2
1; result is zero
1
2
?
0xFF
2
0; result is negative
dfff
ffff