PIC16LF874A-I/PT Microchip Technology, PIC16LF874A-I/PT Datasheet - Page 64

• Manufacturer Part Number: PIC16LF874A-I/PT
• Description: IC, 8BIT MCU, PIC16LF, 20MHZ, TQFP-44
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16LF874A-I/PT

• Controller Family/series: PIC16LF
• No. Of I/o's: 33
• Eeprom Memory Size: 128Byte
• Ram Memory Size: 192Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Core Size: 8 Bit
• Program Memory Size: 4 Kwords
• Core Processor: PIC
• Speed: 10MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 33
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 192 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC16F87XA
7.1
The prescaler and postscaler counters are cleared
when any of the following occurs:
• a write to the TMR2 register
• a write to the T2CON register
• any device Reset (POR, MCLR Reset, WDT
TMR2 is not cleared when T2CON is written.
TABLE 7-1:
DS39582B-page 62
0Bh, 8Bh,
10Bh, 18Bh
0Ch
8Ch
11h
12h
92h
Legend:
Note 1:
Address
Reset or BOR)
Timer2 Prescaler and Postscaler
x = unknown, u = unchanged, - = unimplemented, read as ‘0’. Shaded cells are not used by the Timer2 module.
Bits PSPIE and PSPIF are reserved on 28-pin devices; always maintain these bits clear.
INTCON
PIR1
PIE1
TMR2
T2CON
PR2
Name
REGISTERS ASSOCIATED WITH TIMER2 AS A TIMER/COUNTER
PSPIE
Timer2 Module’s Register
Timer2 Period Register
PSPIF
Bit 7
GIE
—
(1)
(1)
TOUTPS3 TOUTPS2 TOUTPS1 TOUTPS0 TMR2ON T2CKPS1 T2CKPS0 -000 0000 -000 0000
PEIE
ADIF
ADIE
Bit 6
TMR0IE
RCIE
RCIF
Bit 5
INTE
Bit 4
TXIF
TXIE
SSPIF
SSPIE
RBIE
Bit 3
7.2
The output of TMR2 (before the postscaler) is fed to the
SSP module, which optionally uses it to generate the
shift clock.
TMR0IF
CCP1IF
CCP1IE
Bit 2
Output of TMR2
TMR2IF
TMR2IE
INTF
Bit 1
 2003 Microchip Technology Inc.
TMR1IF 0000 0000 0000 0000
TMR1IE 0000 0000 0000 0000
Bit 0
RBIF
0000 000x 0000 000u
0000 0000 0000 0000
1111 1111 1111 1111
POR, BOR
Value on:
Value on
all other
Resets