PIC16F72-I/SS Microchip Technology, PIC16F72-I/SS Datasheet - Page 556

• Manufacturer Part Number: PIC16F72-I/SS
• Description: IC PIC MCU FLASH 2KX14 28-SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F72-I/SS

• Program Memory Type: FLASH
• Program Memory Size: 3.5KB (2K x 14)
• Package / Case: 28-SSOP
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 22
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 5x8b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Interface Type: I2C/SPI/SSP
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 22
• Number Of Timers: 3
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: ICE2000, DM163022
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 5-ch x 8-bit
• Controller Family/series: PIC16F
• No. Of I/o's: 22
• Ram Memory Size: 128Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Embedded Interface Type: I2C, SPI
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164307 - MODULE SKT FOR PM3 28SSOPXLT28SS-1 - SOCKET TRANSITION ICE 28SSOP
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PICmicro MID-RANGE MCU FAMILY
DS31029A-page 29-34
RETLW
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
1st cycle:
2nd cycle:
Example
Q1
Q1
operation
Decode
No
Q2
Q2
operation
[ label ]
0
k
TOS
None
The W register is loaded with the eight bit literal 'k'. The program counter is
loaded 13-bit address at the Top of Stack (the return address). This is a
two cycle instruction.
1
2
HERE
TABLE
Before Instruction
After Instruction
literal 'k'
Read
No
11
k
W;
255
PC
W
W
PC = TOS
Return with Literal in W
CALL TABLE
•
•
•
ADDWF PC
RETLW k1
RETLW k2
•
•
•
RETLW kn
RETLW k
01xx
Q3
Q3
operation
Process
= 0x07
= value of k8
data
No
kkkk
= Address Here + 1
Q4
Q4
Write to W
operation
; W contains table
; offset value
; W now has table value
;W = offset
;Begin table
;
; End of table
register
No
kkkk
1997 Microchip Technology Inc.