PIC16C505-20I/SL Microchip Technology, PIC16C505-20I/SL Datasheet - Page 21

• Manufacturer Part Number: PIC16C505-20I/SL
• Description: IC MCU OTP 1KX12 14SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C505-20I/SL

• Core Size: 8-Bit
• Program Memory Size: 1.5KB (1K x 12)
• Core Processor: PIC
• Speed: 20MHz
• Peripherals: POR, WDT
• Number Of I /o: 11
• Program Memory Type: OTP
• Ram Size: 72 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 14-SOIC (3.9mm Width), 14-SOL
• Controller Family/series: PIC16C
• No. Of I/o's: 12
• Ram Memory Size: 72Byte
• Cpu Speed: 20MHz
• No. Of Timers: 1
• Digital Ic Case Style: SOIC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: ISPICR1 - ADAPTER IN-CIRCUIT PROGRAMMING309-1086 - ADAPTER 14-ZIF BD W/14-SO PLUGS309-1085 - ADAPTER 14-DIP BD W/2 14-SO PLUG309-1001 - ADAPTER 14-SOIC TO 14-DIP309-1000 - ADAPTER 14-SOIC TO 14-DIP
• Eeprom Size: -
• Data Converters: -
• Connectivity: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

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
)