PIC17C756-16/SP Microchip Technology, PIC17C756-16/SP Datasheet - Page 221

• Manufacturer Part Number: PIC17C756-16/SP
• Description: MICRO CTRL 16K MEMORY OTP 64SDIP
• Manufacturer: Microchip Technology
• Series: PIC® 17Cr

Specifications of PIC17C756-16/SP

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 50
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: OTP
• Ram Size: 902 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 6 V
• Data Converters: A/D 12x10b
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 64-SDIP (0.750", 19.05mm)
• Lead Free Status / RoHS Status: Request inventory verification / Request inventory verification
• Eeprom Size: -
• Other names: PIC17C756-16/P

RETFIE
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Example:
2000 Microchip Technology Inc.
After Interrupt
operation
Decode
PC
GLINTD =
Q1
No
=
operation
operation
Return from Interrupt
[ label ]
None
TOS
0
PCLATH is unchanged.
GLINTD
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
0000
Q2
No
No
TOS
0
GLINTD;
(PC);
RETFIE
0000
operation
GLINTD
Clear
Q3
No
0000
from stack
operation
POP PC
Q4
No
0101
RETLW
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Example:
Before Instruction
After Instruction
operation
Decode
WREG
WREG
Q1
No
=
=
operation
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
1011
Q2
No
CALL TABLE ; WREG contains table
:
ADDWF PC
RETLW k0
RETLW k1
:
:
RETLW kn
0x07
value of k7
k
(WREG); TOS
PIC17C7XX
255
RETLW k
0110
operation
Process
;
;
;
; WREG = offset
; Begin table
;
; End of table
Data
Q3
No
DS30289B-page 221
offset value
WREG now has
table value
kkkk
(PC);
from stack,
operation
POP PC
Write to
WREG
Q4
No
kkkk