PIC16F87-E/SO Microchip Technology, PIC16F87-E/SO Datasheet - Page 57

• Manufacturer Part Number: PIC16F87-E/SO
• Description: IC MCU FLASH 4KX14 EEPROM 18SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F87-E/SO

• 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: 16
• Program Memory Size: 7KB (4K 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
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 18-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -

FIGURE 5-6:
 2005 Microchip Technology Inc.
Note 1: I/O pins have protection diodes to V
Data
Bus
WR
PORTA
WR
TRISA
RD PORTA
2: CLKO signal is 1/4 of the F
TRIS Latch
D
Data Latch
D
CK
CK
RD TRISA
BLOCK DIAGRAM OF RA6/OSC2/CLKO PIN
CLKO (F
Q
Q
Q
Q
(F
OSC
OSC
= 1x1)
Q
(F
/4)
OSC
OSC
EN
= 1x0, 011)
D
frequency.
DD
and V
From OSC1
SS
.
(F
V
V
OSC
P
N
DD
SS
= 1x0, 011)
Oscillator
Schmitt Trigger
Circuit
Input Buffer
V
V
P
N
DD
SS
PIC16F87/88
V
V
SS
DD
RA6/OSC2/CLKO pin
DS30487C-page 55