PIC16C505/JW Microchip Technology, PIC16C505/JW Datasheet - Page 21

• Manufacturer Part Number: PIC16C505/JW
• Description: IC MCU EPROM 1KX12 14CDIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C505/JW

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: POR, WDT
• Number Of I /o: 11
• Program Memory Size: 1.5KB (1K x 12)
• Program Memory Type: EPROM, UV
• Ram Size: 72 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 14-CDIP (0.300", 7.62mm)
• For Use With: ISPICR1 - ADAPTER IN-CIRCUIT PROGRAMMINGAC124001 - MODULE SKT PROMATEII 8DIP/SOIC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Connectivity: -
• Other names: PIC16C505/JWR; PIC16C505/JWR

FIGURE 5-2:
Instruction
Instruction
executed
RB<5:0>
1999 Microchip Technology Inc.
fetched
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
MOVWF PORTB
PC
SUCCESSIVE I/O OPERATION
MOVF PORTB,W
(Write to PORTB)
MOVWF PORTB
Port pin
written here
PC + 1
MOVF PORTB,W
(Read PORTB)
Port pin
sampled here
NOP
PC + 2
PC + 3
NOP
NOP
This example shows a write to PORTB
followed by a read from PORTB.
Data setup time = (0.25 T
where: T
Therefore, at higher clock frequencies, a
write followed by a read may be problematic.
T
CY
PD
= instruction cycle.
= propagation delay
PIC16C505
CY
DS40192C-page 21
– T
PD
)