PIC16F639-I/SS Microchip Technology, PIC16F639-I/SS Datasheet - Page 67

• Manufacturer Part Number: PIC16F639-I/SS
• Description: IC MCU FLASH 2KX14 20SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F639-I/SS

• Program Memory Type: FLASH
• Program Memory Size: 3.5KB (2K x 14)
• Package / Case: 20-SSOP
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, LVD, POR, WDT
• Number Of I /o: 11
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Interface Type: SPI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 12
• Number Of Timers: 2
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT20SS1-1 - SOCKET TRANSITION 20DIP 20SSOPXLT20SS-1 - SOCKET TRANSITION 18DIP 20SSOPAC162066 - HEADER INTRFC MPLAB ICD2 20PINAC164307 - MODULE SKT FOR PM3 28SSOP
• Eeprom Size: -
• Data Converters: -
• Connectivity: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

FIGURE 6-1:
© 2007 Microchip Technology Inc.
Without CLKOUT
OSC1/T1CKI
OSC2/T1G
T1OSCEN
Note 1:
INTOSC
Set flag bit
TMR1IF on
Overflow
2:
3:
ST Buffer is low power type when using LP osc, or high speed type when using T1CKI.
Timer1 register increments on rising edge.
Synchronize does not operate while in Sleep.
TIMER1 BLOCK DIAGRAM
Oscillator
TMR1H
TMR1
(2)
TMR1L
Internal
F
OSC
Clock
F
OSC
EN
/4
PIC12F635/PIC16F636/639
(1)
T1ACS
1
0
TMR1CS
0
1
To C2 Comparator Module
Timer1 Clock
T1CKPS<1:0>
T1SYNC
Prescaler
1, 2, 4, 8
TMR1ON
0
1
2
CxOUT
TMR1GE
Synchronized
Synchronize
clock input
T1GSS
1
0
det
DS41232D-page 65
(3)
T1GINV