PIC16F627A-I/ML Microchip Technology, PIC16F627A-I/ML Datasheet - Page 128

• Manufacturer Part Number: PIC16F627A-I/ML
• Description: IC MCU FLASH 1KX14 EEPROM 28QFN
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F627A-I/ML

• Core Size: 8-Bit
• Program Memory Size: 1.75KB (1K x 14)
• Oscillator Type: Internal
• Core Processor: PIC
• Speed: 20MHz
• Connectivity: UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 16
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 224 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Controller Family/series: PIC16F
• No. Of I/o's: 16
• Eeprom Memory Size: 128Byte
• Ram Memory Size: 224Byte
• Cpu Speed: 20MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164324 - MODULE SKT FOR MPLAB 8DFN/16QFNXLT28QFN3 - SOCKET TRAN ICE 18DIP/28QFNI3DBF648 - BOARD DAUGHTER ICEPIC3AC164033 - ADAPTER 28QFN TO 18DIPAC162053 - HEADER INTERFACE ICD,ICD2 18DIPDV007003 - PROGRAMMER UNIVERSAL PROMATE II
• Data Converters: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: PIC16F627A-I/MLR; PIC16F627A-I/MLR

PIC16F627A/628A/648A
DS40044G-page 128
RRF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example
SLEEP
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
Rotate Right f through Carry
[ label ]
0 ≤ f ≤ 127
d ∈ [0,1]
See description below
C
00
The contents of register ‘f’ are
rotated one bit to the right
through the Carry Flag. 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
RRF
Before Instruction
After Instruction
[ label ] SLEEP
None
00h → WDT,
0 → WDT prescaler,
1 → TO,
0 → PD
TO, PD
00
The power-down Status bit, PD
is cleared. Time out Status bit,
TO is set. Watchdog Timer and
its prescaler are cleared.
The processor is put into Sleep
mode with the oscillator
stopped. See Section 14.8
“Power-Down Mode (Sleep)”
for more details.
1
1
SLEEP
REG1 = 1110 0110
C
REG1 = 1110 0110
W
C
C
1100
REG1, 0
0000
RRF f,d
= 0
= 0111 0011
= 0
REGISTER F
dfff
0110
0011
ffff
SUBLW
Syntax:
Operands:
Operation:
Status
Affected:
Encoding:
Description:
Words:
Cycles:
Example 1:
Example 2:
Example 3:
Subtract W from Literal
[ label ]
0 ≤ k ≤ 255
k - (W) → (W)
C, DC, Z
11
The W register is subtracted (2’s
complement method) from the eight-
bit literal ‘k’. The result is placed in
the W register.
1
1
SUBLW
Before Instruction
After Instruction
Before Instruction
After Instruction
Before Instruction
After Instruction
© 2009 Microchip Technology Inc.
W = 1
C = ?
W = 1
C = 1; result is positive
W = 3
C = ?
W = 0xFF
C = 0; result is negative
W = 2
C = ?
W = 0
C = 1; result is zero
SUBLW k
110x
0x02
kkkk
kkkk