PIC16F877T-20/PT Microchip Technology, PIC16F877T-20/PT Datasheet - Page 61

• Manufacturer Part Number: PIC16F877T-20/PT
• Description: IC MCU FLASH 8KX14 EE 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F877T-20/PT

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 33
• Program Memory Size: 14KB (8K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 368 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1997 Microchip Technology Inc.
Table 3-3:
Condition
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:
Note 1: When the wake-up is due to an interrupt and global enable bit, GIE, is set the PC is
2: If a status bit is not implemented, that bit will be read as ‘0’.
u
loaded with the interrupt vector (0004h) after execution of PC+1.
= unchanged,
Initialization Condition for Special Registers
x
= unknown,
-
= unimplemented bit, reads as ‘0’.
Program
PC + 1
Counter
PC + 1
000h
000h
000h
000h
000h
Section 3. Reset
(1)
0001 1xxx
000u uuuu
0001 0uuu
0000 1uuu
uuu0 0uuu
0001 1uuu
uuu1 0uuu
Register
STATUS
DS31003A-page 3-11
u--- -10x
u--- -uuu
u--- -uuu
u--- -uuu
u--- -uuu
u--- -uu0
u--- -uuu
Register
PCON
3