PIC16LF84A-04/P Microchip Technology, PIC16LF84A-04/P Datasheet - Page 30

• Manufacturer Part Number: PIC16LF84A-04/P
• Description: IC MCU FLASH 1KX14 EE 18DIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16LF84A-04/P

• Core Size: 8-Bit
• Program Memory Size: 1.75KB (1K x 14)
• Core Processor: PIC
• Speed: 4MHz
• Peripherals: POR, WDT
• Number Of I /o: 13
• Program Memory Type: FLASH
• Eeprom Size: 64 x 8
• Ram Size: 68 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 18-DIP (0.300", 7.62mm)
• Controller Family/series: PIC16LF
• No. Of I/o's: 13
• Eeprom Memory Size: 64Byte
• Ram Memory Size: 68Byte
• Cpu Speed: 4MHz
• No. Of Timers: 1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -
• Connectivity: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

PIC16F8X
FIGURE 6-5:
FIGURE 6-6:
DS30430C-page 30
RA4/T0CKI
CLKOUT (= Fosc/4)
WDT Enable bit
Note: T0CS, T0SE, PSA, PS2:PS0 are bits in the OPTION_REG register.
Note 1:
pin
Watchdog
Timer
2:
3:
Delay from clock input change to TMR0 increment is 3Tosc to 7Tosc. (Duration of Q = Tosc).
Therefore, the error in measuring the interval between two edges on TMR0 input =
External clock if no prescaler selected, Prescaler output otherwise.
The arrows
Prescaler Out (Note 2)
Output After Sampling
Increment TMR0 (Q4)
Ext. Clock/Prescaler
TIMER0 TIMING WITH EXTERNAL CLOCK
BLOCK DIAGRAM OF THE TMR0/WDT PRESCALER
Ext. Clock Input or
T0SE
indicate where sampling occurs. A small clock pulse may be missed by sampling.
0
1
PSA
TMR0
M
U
X
0
1
T0CS
Q1 Q2 Q3 Q4
M
U
X
0
8-bit Prescaler
8 - to - 1MUX
time-out
8
M U X
WDT
1
0
Q1 Q2 Q3 Q4
T0
1
PSA
M
U
X
PSA
PS2:PS0
Cycles
SYNC
Q1 Q2 Q3 Q4
2
T0 + 1
TMR0 register
4Tosc max.
1998 Microchip Technology Inc.
Data Bus
Q1 Q2 Q3 Q4
(Note 3)
8
T0 + 2
Set bit T0IF
on overflow