PIC16F913-I/SP Microchip Technology Inc., PIC16F913-I/SP Datasheet - Page 93

• Manufacturer Part Number: PIC16F913-I/SP
• Description: 28 PIN, 7 KB FLASH, 352 RAM, 25 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F913-I/SP

• A/d Inputs: 5-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 5 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 25
• Interface: I2C/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 28-pin SPDIP
• Programmable Memory: 7K Bytes
• Ram Size: 256 Bytes
• Speed: 20 MHz
• Timers: 2-8-bit, 1-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

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:
© 2005 Microchip Technology Inc.
0Bh/
8Bh
0Ch
11h
12h
8Ch
92h
Legend:
Addr
F
OSC
INTCON
PIR1
TMR2
T2CON
PIE1
PR2
Timer2 Interrupt
Name
/4
x = unknown, u = unchanged,
Note 1: TMR2 register output can be software selected by the SSP module as a baud clock.
Holding Register for the 8-bit TMR2 Register
Timer2 Period Register
REGISTERS ASSOCIATED WITH TIMER2
EEIE
Bit 7
EEIF
GIE
—
TIMER2 BLOCK DIAGRAM
T2CKPS<1:0>
1:1, 1:4, 1:16
TOUTPS3 TOUTPS2 TOUTPS1 TOUTPS0 TMR2ON T2CKPS1 T2CKPS0 -000 0000 -000 0000
Prescaler
PEIE
ADIF
ADIE
Bit 6
2
-
RCIF
RCIE
Bit 5
T0IE
= unimplemented, read as ‘0’. Shaded cells are not used by the Timer2 module.
Comparator
INTE
Bit 4
TXIF
TXIE
TMR2
Preliminary
PR2
PIC16F917/916/914/913
SSPIF
SSPIE
RBIE
Bit 3
EQ
7.3
The output of TMR2 (before the postscaler) is fed to the
SSP module, which optionally uses it to generate the
shift clock.
Reset
CCP1IE
CCP1IF
TOUTPS<3:0>
Bit 2
T0IF
Postscaler
1:1 to 1:16
Timer2 Output
Output
TMR2IE
TMR2IF
TMR2
4
INTF
Bit 1
(1)
TMR1IF
TMR1IE
Bit 0
RBIF
0000 000x 0000 000x
0000 0000 0000 0000
0000 0000 0000 0000
0000 0000 0000 0000
1111 1111 1111 1111
POR, BOR
Value on
bit TMR2IF
Sets Flag
DS41250E-page 91
Value on
all other
Resets