PIC16F870-E/SO Microchip Technology, PIC16F870-E/SO Datasheet - Page 556
PIC16F870-E/SO
Manufacturer Part Number
PIC16F870-E/SO
Description
28 PIN, 3.5KB ENH FLASH, 128 RAM, 22 I/O,
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16F870-ISO.pdf
(172 pages)
4.PIC16F870-ISO.pdf
(6 pages)
Specifications of PIC16F870-E/SO
Rohs Compliant
YES
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
22
Program Memory Size
3.5KB (2K x 14)
Program Memory Type
FLASH
Eeprom Size
64 x 8
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 5x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
28-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
I3-DB16F871 - BOARD DAUGHTER ICEPIC3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16F870-ISO PDF datasheet #3
- PIC16F870-ISO PDF datasheet #4
- Current page: 556 of 688
- Download datasheet (3Mb)
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.
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