PIC16F887-E/P Microchip Technology Inc., PIC16F887-E/P Datasheet - Page 97

• Manufacturer Part Number: PIC16F887-E/P
• Description: 40 PIN, 14KB FLASH, 368 RAM, 36 I/O, PDIP
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F887-E/P

• A/d Inputs: 14-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 5 MIPS
• Eeprom Memory: 256 Bytes
• Frequency: 20 MHz
• Input Output: 35
• Interface: I2C/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 40-pin PDIP
• Programmable Memory: 14K Bytes
• Ram Size: 368 Bytes
• Resistance, Drain To Source On: Bytes
• Serial Interface: MSSP or EUSART
• 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 8-8:
FIGURE 8-9:
© 2008 Microchip Technology Inc.
CV
V
To Comparators
and ADC Module
REF
DD
V
V
CV
VRSS = 1
VRSS = 0
To Comparators
and ADC Module
V
REF
REF
REF
REF
FixedRef
+
+
VROE
-
AV
COMPARATOR VOLTAGE REFERENCE BLOCK DIAGRAM
COMPARATOR AND ADC VOLTAGE REFERENCE BLOCK DIAGRAM
VCFG1
VROE
AV
VRSS
DD
SS
8R
VREN
C1RSEL
C2RSEL
0.6V
0
1
1
0
15
Analog
0
MUX
VRSS
4
R
CV
VR<3:0>
REF
PIC16F882/883/884/886/887
Fixed Voltage
Reference
R
EN
16 Stages
Comparator
Reference
Voltage
AV
R
DD
R
AV
1
0
SS
VCFG0
Sleep
HFINTOSC enable
FVREN
8R
0
1
VCFG1
Reference
Voltage
ADC
DS41291E-page 95
VRSS = 1
VRSS = 0
V
REF
V
-
RR