PIC16F87-E/ML Microchip Technology, PIC16F87-E/ML Datasheet - Page 62

• Manufacturer Part Number: PIC16F87-E/ML
• Description: IC MCU FLASH 4KX14 EEPROM 28QFN
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F87-E/ML

• 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: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• For Use With: XLT28QFN3 - SOCKET TRAN ICE 18DIP/28QFNAC164033 - ADAPTER 28QFN TO 18DIPDV007003 - PROGRAMMER UNIVERSAL PROMATE II
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -

PIC16F87/88
FIGURE 5-9:
DS30487C-page 60
SDA Drive
TRISB
WR
Note 1:
BLOCK DIAGRAM OF RB1/SDI/SDA PIN
RBPU
Data Bus
SDA
I
Port/SSPEN Select
SDA Output
PORTB
SDI
WR
2
C™ Mode
(3)
(2)
2:
3:
RD PORTB
I/O pins have diode protection to V
To enable weak pull-ups, set the appropriate TRIS bit(s) and clear the RBPU bit.
The SDA Schmitt conforms to the I
Data Latch
TRIS Latch
D
D
CK
CK
Schmitt Trigger
Buffer
RD TRISB
Q
Q
Q
1
0
DD
2
C specification.
and V
SS
.
Q
EN
RD PORTB
D
TTL
Input
Buffer
V
P
N
V
DD
SS
V
P
 2005 Microchip Technology Inc.
DD
Weak
Pull-up
I/O pin
(1)