PIC16F871-I/PT Microchip Technology Inc., PIC16F871-I/PT Datasheet - Page 96

• Manufacturer Part Number: PIC16F871-I/PT
• Description: 44 PIN, 7 KB FLASH, 128 RAM, 33 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F871-I/PT

• A/d Inputs: 8-Channel, 10-Bit
• Cpu Speed: 5 MIPS
• Eeprom Memory: 64 Bytes
• Input Output: 33
• Interface: USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 44-pin TQFP
• Programmable Memory: 3.5K Bytes
• Ram Size: 128 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

PIC16F870/871
TABLE 11-6:
DS30569B-page 94
PIR1
PIR2
TMR1L
TMR1H
T1CON
TMR2
T2CON
CCPR1L
CCPR1H
CCP1CON
RCSTA
TXREG
RCREG
ADRESH
ADCON0
OPTION_REG
TRISA
TRISB
TRISC
TRISD
TRISE
PIE1
PIE2
PCON
PR2
TXSTA
SPBRG
ADRESL
ADCON1
EEDATA
EEADR
EEDATH
EEADRH
EECON1
EECON2
Legend:
Note 1:
Register
2:
3:
u = unchanged, x = unknown, - = unimplemented bit, read as '0', q = value depends on condition,
r = reserved, maintain clear
One or more bits in INTCON, PIR1 and/or PIR2 will be affected (to cause wake-up).
When the wake-up is due to an interrupt and the GIE bit is set, the PC is loaded with the interrupt vector
(0004h).
See Table 11-5 for RESET value for specific condition.
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INITIALIZATION CONDITIONS FOR ALL REGISTERS (CONTINUED)
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Devices
Brown-out Reset
Power-on Reset,
r000 -000
0000 -000
---0 ----
xxxx xxxx
xxxx xxxx
--00 0000
0000 0000
-000 0000
xxxx xxxx
xxxx xxxx
--00 0000
0000 000x
0000 0000
0000 0000
xxxx xxxx
0000 00-0
1111 1111
--11 1111
1111 1111
1111 1111
1111 1111
0000 -111
r000 -000
0000 0000
---0 ----
---- --qq
1111 1111
0000 -010
0000 0000
xxxx xxxx
0--- 0000
0--- 0000
xxxx xxxx
xxxx xxxx
xxxx xxxx
x--- x000
---- ----
MCLR Resets
r000 -000
0000 -000
---0 ----
uuuu uuuu
uuuu uuuu
--uu uuuu
0000 0000
-000 0000
uuuu uuuu
uuuu uuuu
--00 0000
0000 000x
0000 0000
0000 0000
uuuu uuuu
0000 00-0
1111 1111
--11 1111
1111 1111
1111 1111
1111 1111
0000 -111
r000 -000
0000 0000
---0 ----
---- --uu
1111 1111
0000 -010
0000 0000
uuuu uuuu
0--- 0000
0--- 0000
uuuu uuuu
uuuu uuuu
uuuu uuuu
u--- u000
---- ----
WDT Reset
 2003 Microchip Technology Inc.
Wake-up via WDT or
ruuu -uuu
uuuu -uuu
---u ----
uuuu uuuu
uuuu uuuu
--uu uuuu
uuuu uuuu
-uuu uuuu
uuuu uuuu
uuuu uuuu
--uu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uu-u
uuuu uuuu
--uu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu -uuu
ruuu -uuu
uuuu uuuu
---u ----
---- --uu
1111 1111
uuuu -uuu
uuuu uuuu
uuuu uuuu
u--- uuuu
u--- uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
u--- uuuu
---- ----
Interrupt
(1)
(1)
(1)