PIC16C73/JW Microchip Technology, PIC16C73/JW Datasheet - Page 142
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PIC16C73/JW
Manufacturer Part Number
PIC16C73/JW
Description
IC MIC CTL 4K EPROM 28CDIP
Manufacturer
Microchip Technology
Series
PIC® 16Cr
Specifications of PIC16C73/JW
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
22
Program Memory Size
7KB (4K x 14)
Program Memory Type
EPROM, UV
Ram Size
192 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 6 V
Data Converters
A/D 5x8b
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
28-CDIP (0.300", 7.62mm) Window
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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PIC16C7X
FIGURE 14-16: INTERRUPT LOGIC
FIGURE 14-17: INT PIN INTERRUPT TIMING
DS30390E-page 142
The following table shows which devices have which interrupts.
INSTRUCTION FLOW
Note 1: INTF flag is sampled here (every Q1).
GIE bit
(INTCON<7>)
PIC16C72
PIC16C73
PIC16C73A
PIC16C74
PIC16C74A
PIC16C76
PIC16C77
INTF flag
(INTCON<1>)
PSPIF
PSPIE
CCP2IF
CCP2IE
CLKOUT
INT pin
OSC1
Instruction
executed
Instruction
fetched
PC
Device
2: Interrupt latency = 3-4 Tcy where Tcy = instruction cycle time.
3: CLKOUT is available only in RC oscillator mode.
4: For minimum width of INT pulse, refer to AC specs.
5: INTF is enabled to be set anytime during the Q4-Q1 cycles.
Latency is the same whether Inst (PC) is a single cycle or a 2-cycle instruction.
ADIF
ADIE
TMR1IF
TMR1IE
3
T0IF
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Q1
RCIF
RCIE
TMR2IF
TMR2IE
Inst (PC-1)
Inst (PC)
1
Q2
INTF
Yes
Yes
Yes
Yes
Yes
Yes
Yes
PC
TXIF
TXIE
SSPIF
SSPIE
CCP1IF
CCP1IE
Q3
4
RBIF
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Q4
5
Q1
PSPIF
Yes
Yes
Yes
Yes
-
-
-
Inst (PC+1)
Inst (PC)
Q2
1
PC+1
ADIF
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Q3
Q4
RCIF
Yes
Yes
Yes
Yes
Yes
Yes
-
Interrupt Latency
Q1
Dummy Cycle
TXIF
T0IF
T0IE
INTF
INTE
RBIF
RBIE
PEIE
GIE
Yes
Yes
Yes
Yes
Yes
Yes
-
Q2
PC+1
—
SSPIF
Q3
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Q4
2
CCP1IF
Q1
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Dummy Cycle
Inst (0004h)
Q2
0004h
TMR2IF
Q3
Yes
Yes
Yes
Yes
Yes
Yes
Yes
1997 Microchip Technology Inc.
Wake-up (If in SLEEP mode)
Q4
TMR1IF
Q1
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Interrupt to CPU
Inst (0005h)
Q2
Inst (0004h)
0005h
CCP2IF
Q3
Yes
Yes
Yes
Yes
Yes
Yes
-
Q4
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