PIC17C42A/JW Microchip Technology, PIC17C42A/JW Datasheet - Page 131
![IC MCU EPROM 2KX16 PWM 40CDIP](/photos/6/63/66338/150-40-cdip_sml.jpg)
PIC17C42A/JW
Manufacturer Part Number
PIC17C42A/JW
Description
IC MCU EPROM 2KX16 PWM 40CDIP
Manufacturer
Microchip Technology
Series
PIC® 17Cr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC17C42A-16P.pdf
(241 pages)
3.PIC17C42A-16P.pdf
(4 pages)
Specifications of PIC17C42A/JW
Core Processor
PIC
Core Size
8-Bit
Speed
33MHz
Connectivity
UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
33
Program Memory Size
4KB (2K x 16)
Program Memory Type
EPROM, UV
Ram Size
232 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 6 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
40-CDIP (0.600", 15.24mm) Window
For Use With
DVA17XP401 - DEVICE ADAPTER FOR PIC17C42AAC174001 - MODULE SKT PROMATEII 40DIP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC17C42A/JW
Manufacturer:
MICROCHIP
Quantity:
10
Company:
Part Number:
PIC17C42A/JW
Manufacturer:
EON
Quantity:
32 000
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RETFIE
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Example:
1996 Microchip Technology Inc.
After Interrupt
Forced NOP
Decode
PC
GLINTD =
Q1
=
Return from Interrupt
[ label ]
None
TOS
0
PCLATH is unchanged.
Return from Interrupt. Stack is POP’ed
and Top of Stack (TOS) is loaded in the
PC. Interrupts are enabled by clearing
the GLINTD bit. GLINTD is the global
interrupt disable bit (CPUSTA<4>).
1
2
RETFIE
GLINTD
register
T0STA
Read
NOP
0000
Q2
TOS
0
GLINTD;
(PC);
RETFIE
0000
Execute
Execute
Q3
0000
NOP
NOP
Q4
0101
RETLW
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Example:
Before Instruction
After Instruction
Forced NOP
Decode
WREG
WREG
Q1
=
=
Return Literal to WREG
[ label ]
0
k
PCLATH is unchanged
None
WREG 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
TABLE
literal 'k'
Read
NOP
1011
Q2
CALL TABLE ; WREG contains table
:
ADDWF PC
RETLW k0
RETLW k1
:
:
RETLW kn
0x07
value of k7
k
(WREG); TOS
255
PIC17C4X
RETLW k
0110
Execute
Execute
;
;
;
; WREG = offset
; Begin table
;
; End of table
Q3
DS30412C-page 131
offset value
WREG now has
table value
kkkk
(PC);
Write to
WREG
NOP
Q4
kkkk
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