PIC18LF442-I/ML Microchip Technology, PIC18LF442-I/ML Datasheet - Page 244
![IC MCU FLASH 8KX16 EE A/D 44QFN](/photos/6/81/68122/150-44-qfn_sml.jpg)
PIC18LF442-I/ML
Manufacturer Part Number
PIC18LF442-I/ML
Description
IC MCU FLASH 8KX16 EE A/D 44QFN
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16LF627A-IP.pdf
(8 pages)
3.PIC18F242-ISO.pdf
(332 pages)
4.PIC18F242-ISO.pdf
(14 pages)
5.PIC18F242-ISO.pdf
(16 pages)
6.PIC18F242-ISO.pdf
(16 pages)
7.PIC18F242-ISO.pdf
(14 pages)
8.PIC18LF242-ISO.pdf
(36 pages)
Specifications of PIC18LF442-I/ML
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
34
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-QFN
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
- PIC16F616T-ISL PDF datasheet
- PIC16LF627A-IP PDF datasheet #2
- PIC18F242-ISO PDF datasheet #3
- PIC18F242-ISO PDF datasheet #4
- PIC18F242-ISO PDF datasheet #5
- PIC18F242-ISO PDF datasheet #6
- PIC18F242-ISO PDF datasheet #7
- PIC18LF242-ISO PDF datasheet #8
- Current page: 244 of 332
- Download datasheet (6Mb)
PIC18FXX2
RETFIE
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
DS39564C-page 242
Q Cycle Activity:
After Interrupt
operation
Decode
PC
W
BSR
STATUS
GIE/GIEH, PEIE/GIEL
No
Q1
operation
operation
Return from Interrupt
[ label ]
s
(TOS)
1
if s = 1
(WS)
(STATUSS)
(BSRS)
PCLATU, PCLATH are unchanged.
GIE/GIEH, PEIE/GIEL.
Return from Interrupt. Stack is
popped and Top-of-Stack (TOS) is
loaded into the PC. Interrupts are
enabled by setting either the high
or low priority global interrupt
enable bit. If ‘s’ = 1, the contents of
the shadow registers WS,
STATUSS and BSRS are loaded
into their corresponding registers,
W, STATUS and BSR. If ‘s’ = 0, no
update of these registers occurs
(default).
1
2
RETFIE
0000
No
No
Q2
[0,1]
GIE/GIEH or PEIE/GIEL,
W,
PC,
1
RETFIE [s]
0000
BSR,
operation
operation
=
=
=
=
=
No
No
STATUS,
Q3
TOS
WS
BSRS
STATUSS
1
0001
pop PC from
Set GIEH or
operation
stack
GIEL
No
Q4
000s
RETLW
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
TABLE
Q Cycle Activity:
:
:
:
CALL TABLE ; W contains table
ADDWF PCL
RETLW k0
RETLW k1
RETLW kn
Before Instruction
After Instruction
operation
Decode
W
W
No
Q1
; offset value
; W now has
; table value
; W = offset
; Begin table
;
; End of table
=
=
operation
Return Literal to W
[ label ]
0
k
(TOS)
PCLATU, PCLATH are unchanged
None
W is loaded with the eight-bit literal
'k'. The program counter is loaded
from the top of the stack (the return
address). The high address latch
(PCLATH) remains unchanged.
1
2
literal 'k'
Read
0000
No
Q2
0x07
value of kn
k
© 2006 Microchip Technology Inc.
W,
255
PC,
RETLW k
1100
operation
Process
Data
No
Q3
kkkk
pop PC from
stack, Write
operation
to W
No
Q4
kkkk
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