PIC16F872-I/SP Microchip Technology Inc., PIC16F872-I/SP Datasheet - Page 95

• Manufacturer Part Number: PIC16F872-I/SP
• Description: 28 PIN, 7 KB FLASH, 128 RAM, 22 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F872-I/SP

• A/d Inputs: 5-Channel, 10-Bit
• Cpu Speed: 5 MIPS
• Eeprom Memory: 64 Bytes
• Input Output: 22
• Interface: I2C/SPI
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 28-pin SPDIP
• 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

TABLE 11-4:
TABLE 11-5:
TABLE 11-6:
© 2006 Microchip Technology Inc.
Power-on Reset
MCLR Reset during normal operation
MCLR Reset during SLEEP
WDT Reset
WDT Wake-up
Brown-out Reset
Interrupt wake-up from SLEEP
Legend: u = unchanged, x = unknown, - = unimplemented bit, read as '0'
Note 1: When the wake-up is due to an interrupt and the GIE bit is set, the PC is loaded with the interrupt vector
W
INDF
TMR0
PCL
STATUS
FSR
PORTA
PORTB
PORTC
PCLATH
INTCON
PIR1
PIR2
Legend: u = unchanged, x = unknown, - = unimplemented bit, read as '0', q = value depends on condition,
Note 1: One or more bits in INTCON, PIR1 and/or PIR2 will be affected (to cause wake-up).
POR
0
0
0
1
1
1
1
1
2: When the wake-up is due to an interrupt and the GIE bit is set, the PC is loaded with the interrupt vector
3: See Table 11-5 for RESET value for specific condition.
r = reserved, maintain clear
(0004h).
(0004h).
BOR
Register
x
x
x
0
1
1
1
1
STATUS BITS AND THEIR SIGNIFICANCE
RESET CONDITION FOR SPECIAL REGISTERS
INITIALIZATION CONDITIONS FOR ALL REGISTERS
TO
1
0
x
1
0
0
u
1
Condition
PD
1
x
0
1
1
0
u
0
Power-on Reset
Illegal, TO is set on POR
Illegal, PD is set on POR
Brown-out Reset
WDT Reset
WDT Wake-up
MCLR Reset during normal operation
MCLR Reset during SLEEP or interrupt wake-up from SLEEP
Brown-out Reset
Power-on Reset,
xxxx xxxx
xxxx xxxx
0001 1xxx
xxxx xxxx
--0x 0000
xxxx xxxx
xxxx xxxx
---0 0000
0000 000x
r0rr 0000
-r-0 0--r
0000h
N/A
Program
PC + 1
Counter
PC + 1
000h
000h
000h
000h
000h
(1)
MCLR Resets
uuuu uuuu
uuuu uuuu
000q quuu
uuuu uuuu
--0u 0000
uuuu uuuu
uuuu uuuu
---0 0000
0000 000u
r0rr 0000
-r-0 0--r
WDT Reset
0000h
N/A
0001 1xxx
000u uuuu
0001 0uuu
0000 1uuu
uuu0 0uuu
0001 1uuu
uuu1 0uuu
Register
STATUS
(3)
PIC16F872
Wake-up via WDT or
uuuu uuuu
uuuu uuuu
uuuq quuu
uuuu uuuu
--uu uuuu
uuuu uuuu
uuuu uuuu
---u uuuu
uuuu uuuu
rurr uuuu
-r-u u--r
---- --0x
---- --uu
---- --uu
---- --uu
---- --uu
---- --u0
---- --uu
Interrupt
PC + 1
DS30221C-page 93
Register
PCON
N/A
(2)
(3)
(1)
(1)
(1)