PIC16F785-I/SO Microchip Technology, PIC16F785-I/SO Datasheet - Page 58

• Manufacturer Part Number: PIC16F785-I/SO
• Description: IC PIC MCU FLASH 2KX14 20SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F785-I/SO

• Program Memory Type: FLASH
• Program Memory Size: 3.5KB (2K x 14)
• Package / Case: 20-SOIC (7.5mm Width)
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 17
• Eeprom Size: 256 x 8
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 14x10b
• 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: RS- 232/USB
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 17
• Number Of Timers: 3
• 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, ICE2000, DV164120, DM163029
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 14-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT20SO1-1 - SOCKET TRANS ICE 20DIP TO 20SOICXLT18SO-1 - SOCKET TRANSITION 18SOIC 300MILAC162060 - HEADER INTRFC MPLAB ICD2 20PINAC164039 - MODULE SKT PROMATE II 20DIP/SOIC
• Connectivity: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC16F785/HV785
7.2
The Timer2 module has an 8-bit period register, PR2.
Timer2 increments from 00h until it matches PR2 and
then resets to 00h on the next increment cycle. PR2 is
a readable and writable register. The PR2 register is
initialized to FFh upon Reset.
FIGURE 7-1:
TABLE 7-1:
DS41249E-page 56
Name
INTCON
PIE1
PIR1
PR2
T2CON
TMR2
Legend:
Timer2 Interrupt
F
– x = unknown, u = unchanged, – = unimplemented, read as ‘0’. Shaded cells are not used by the Timer2 module.
OSC
Timer2 Module Period register
Holding Register for the 8-bit TMR2 Register
EEIE
Bit 7
EEIF
GIE
—
/4
REGISTERS ASSOCIATED WITH TIMER2
TOUTPS3
TIMER2 BLOCK DIAGRAM
ADIE
Bit 6
PEIE
ADIF
T2CKPS<1:0>
1:1, 1:4, 1:16
Prescaler
TOUTPS2
CCP1IE
CCP1IF
Bit 5
T0IE
2
TOUTPS1
INTE
C2IE
Bit 4
C2IF
Comparator
TMR2
PR2
TOUTPS0
RAIE
Bit 3
C1IE
C1IF
TMR2ON
EQ
Reset
OSFIE
OSFIF
Bit 2
T0IF
TOUTPS<3:0>
Postscaler
1:1 to 1:16
T2CKPS1
TMR2IE
TMR2IF
Bit 1
INTF
Output
TMR2
4
T2CKPS0
TMR1IE
TMR1IF
RAIF
Bit 0
© 2008 Microchip Technology Inc.
0000 0000
0000 0000
0000 0000
1111 1111
-000 0000
0000 0000
POR, BOR
Value on
bit TMR2IF
Sets Flag
other Resets
Value on all
0000 0000
0000 0000
0000 0000
1111 1111
-000 0000
0000 0000