PIC16F877-20/P Microchip Technology, PIC16F877-20/P Datasheet - Page 604

• Manufacturer Part Number: PIC16F877-20/P
• Description: IC MCU FLASH 8KX14 EE 40DIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F877-20/P

• Core Size: 8-Bit
• Program Memory Size: 14KB (8K x 14)
• Core Processor: PIC
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 33
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 368 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 40-DIP (0.600", 15.24mm)
• Controller Family/series: PIC16F
• No. Of I/o's: 33
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 368Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 444-1001 - DEMO BOARD FOR PICMICRO MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

PICmicro MID-RANGE MCU FAMILY
30.23
DS31030A-page 30-34
Param
Note 1: When A/D is off, it will not consume any current other than minor leakage current.
A01
A02
A03
A04
A05
A06
A10
A20
A25
A30
A40
A50
No.
† Data in “Typ” column is at 5V, 25 C unless otherwise stated. These parameters are for design guidance only and are not
tested.
Symbol Characteristic
The power-down current spec includes any such leakage from the A/D module.
V
E
E
V
V
Z
I
E
E
REF
N
E
I
REF
Example 8-bit A/D Timing Waveforms and Requirements
ABS
OFF
—
REF
AD
AIN
AIN
DL
FS
IL
R
current is from RA3 pin or V
Resolution
Total Absolute error
Integral linearity error
Differential linearity error
Full scale error
Offset error
Monotonicity
Reference voltage
Analog input voltage
Recommended impedance
of
analog voltage source
A/D
conversion
current (V
V
REF
Table 30-30:
input current (Note 2)
DD
)
PIC16CXXX
PIC16LCXXX
Example 8-bit A/D Converter Characteristics
DD
pin, whichever is selected as reference input.
V
SS
3.0V
Min
10
—
—
—
—
—
—
—
—
—
—
—
- 0.3
guaran-
Typ†
teed
180
90
—
—
—
—
—
—
—
—
—
—
—
V
V
REF
DD
8-bits
<
<
<
<
<
1000
10.0
Max
—
—
—
10
+ 0.3
+ 0.3
1
1
1
1
1
Units
LSb V
LSb V
LSb V
LSb V
LSb V
k
bit
—
V
V
A
A
A
A
1997 Microchip Technology Inc.
V
V
V
V
V
V
V
V
Average current con-
sumption when A/D is
on
During V
Based on differential of
V
C
See the
verter”
During A/D Conversion
cycle
REF
SS
REF
SS
REF
SS
REF
SS
REF
SS
REF
SS
SS
HOLD
HOLD
(Note 1)
= V
= V
= V
= V
= V
= V
Conditions
V
V
V
V
V
V
V
to V
AIN
AIN
AIN
AIN
AIN
AIN
AIN
section
“8-bit A/D Con-
AIN
DD
DD
DD
DD
DD
DD
AIN
= 5.12V,
= 5.12V,
= 5.12V,
= 5.12V,
= 5.12V,
= 5.12V,
acquisition.
V
V
V
V
V
V
V
to charge
REF
REF
REF
REF
REF
REF
REF