PIC16F87-I/P Microchip Technology Inc., PIC16F87-I/P Datasheet - Page 61

• Manufacturer Part Number: PIC16F87-I/P
• Description: MCU, 8-Bit, 4KW Flash, 368 RAM, 16 I/O, DIP-18
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F87-I/P

• Comparators: 2
• Cpu Speed: 5 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 16
• Interface: I2C/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 18-pin PDIP
• Programmable Memory: 7K 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

FIGURE 5-8:
 2005 Microchip Technology Inc.
Note 1: I/O pins have diode protection to V
BLOCK DIAGRAM OF RB0/INT/CCP1
RBPU
Data Bus
WR PORTB
WR TRISB
To INT0 or CCP
2: To enable weak pull-ups, set the appropriate TRIS bit(s) and clear the RBPU bit.
3: The CCP1 pin is determined by the CCPMX bit in Configuration Word 1 register.
(2)
CCP1M<3:0> = 1000, 1001, 11xx and CCPMX = 1
CCP
RD PORTB
TRIS Latch
Data Latch
D
D
CK
CK
RD TRISB
Q
Q
0
1
DD
and V
(3)
SS
PIN
.
CCP1M<3:0> = 000
Q
EN
RD PORTB
D
TTL
Input
Buffer
V
P
PIC16F87/88
DD
Weak
Pull-up
I/O pin
(1)
DS30487C-page 59