PIC16F87-I/ML Microchip Technology, PIC16F87-I/ML Datasheet - Page 55

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

Specifications of PIC16F87-I/ML

• Core Size: 8-Bit
• Program Memory Size: 7KB (4K x 14)
• Oscillator Type: Internal
• Core Processor: PIC
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 16
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 368 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Controller Family/series: PIC16F
• No. Of I/o's: 16
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 368Byte
• Cpu Speed: 20MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT28QFN3 - SOCKET TRAN ICE 18DIP/28QFNAC164322 - MODULE SOCKET MPLAB PM3 28/44QFNAC164033 - ADAPTER 28QFN TO 18DIPDV007003 - PROGRAMMER UNIVERSAL PROMATE II
• Data Converters: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

FIGURE 5-2:
FIGURE 5-3:
 2005 Microchip Technology Inc.
Data
Bus
WR
PORTA
WR
TRISA
Data
Bus
WR
PORTA
WR
TRISA
RD PORTA
RD PORTA
To A/D Module Channel Input (PIC16F88 only)
TRIS Latch
To A/D Module V
D
D
Data Latch
D
D
TRIS Latch
Data Latch
CK
CK
CK
CK
To A/D Module Channel V
To A/D Module Channel Input (PIC16F88 only)
To Comparator
RD TRISA
RD TRISA
Q
Q
Q
Q
BLOCK DIAGRAM OF RA3/AN3/V
BLOCK DIAGRAM OF RA2/AN2/CV
Q
Q
Q
Q
REF
Comparator 1 Output
- (PIC16F88 only)
To Comparator
REF
+ Input (PIC16F88 only)
Comparator Mode = 110
CVROE
CV
REF
REF
REF
Input Mode
+/C1OUT PIN
/V
Analog
REF
Q
Q
- PIN
EN
EN
D
D
PIC16F87/88
Input Buffer
TTL
V
P
V
N
Input Mode
P
V
V
DD
SS
N
Input Buffer
DD
SS
Analog
V
TTL
DD
DS30487C-page 53
V
SS
V
DD
RA3 pin
RA2 pin