PIC16F877A-I/PT Microchip Technology Inc., PIC16F877A-I/PT Datasheet - Page 129
PIC16F877A-I/PT
Manufacturer Part Number
PIC16F877A-I/PT
Description
44 PIN, 7 KB FLASH, 368 RAM, 33 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC16F877A-IPT.pdf
(218 pages)
Specifications of PIC16F877A-I/PT
A/d Inputs
8-Channel, 10-Bit
Comparators
2
Cpu Speed
5 MIPS
Eeprom Memory
256 Bytes
Input Output
33
Interface
I2C/SPI/USART
Memory Type
Flash
Number Of Bits
8
Package Type
44-pin TQFP
Programmable Memory
14K Bytes
Ram Size
368 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
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TABLE 12-6:
FIGURE 12-5:
PIE2
PCON
PR2
SSPADD
SSPSTAT
TXSTA
SPBRG
ADRESL
ADCON1
EEDATA
EEADR
EEDATH
EEADRH
EECON1
EECON2
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).
2001 Microchip Technology Inc.
Register
INTERNAL RESET
PWRT TIME-OUT
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 12-5 for RESET value for specific condition.
INTERNAL POR
OST TIME-OUT
r = reserved, maintain clear
(0004h).
MCLR
V
INITIALIZATION CONDITIONS FOR ALL REGISTERS (CONTINUED)
DD
873
873
873
873
873
873
873
873
873
873
873
873
873
873
873
TIME-OUT SEQUENCE ON POWER-UP (MCLR TIED TO V
874
874
874
874
874
874
874
874
874
874
874
874
874
874
874
Devices
876
876
876
876
876
876
876
876
876
876
876
876
876
876
876
877
877
877
877
877
877
877
877
877
877
877
877
877
877
877
Brown-out Reset
Power-on Reset,
-r-0 0--0
---- --qq
1111 1111
0000 0000
--00 0000
0000 -010
0000 0000
xxxx xxxx
0--- 0000
0--- 0000
xxxx xxxx
xxxx xxxx
xxxx xxxx
x--- x000
---- ----
T
PWRT
T
OST
MCLR Resets,
-r-0 0--0
---- --uu
1111 1111
0000 0000
--00 0000
0000 -010
0000 0000
uuuu uuuu
0--- 0000
0--- 0000
uuuu uuuu
uuuu uuuu
uuuu uuuu
u--- u000
---- ----
WDT Reset
PIC16F87X
DD
)
Wake-up via WDT or
DS30292C-page 127
-r-u u--u
---- --uu
1111 1111
uuuu uuuu
--uu uuuu
uuuu -uuu
uuuu uuuu
uuuu uuuu
u--- uuuu
u--- uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
u--- uuuu
---- ----
Interrupt
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