PIC16F887-I/ML Microchip Technology, PIC16F887-I/ML Datasheet - Page 13

• Manufacturer Part Number: PIC16F887-I/ML
• Description: IC PIC MCU FLASH 8KX14 44QFN
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F887-I/ML

• Program Memory Type: FLASH
• Program Memory Size: 14KB (8K x 14)
• Package / Case: 44-QFN
• Mfg Application Notes: Intro to Capacitive Sensing Appl Notes Layout and Physical Design Appl Note
• 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: 35
• Eeprom Size: 256 x 8
• Ram Size: 368 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 368 B
• Interface Type: MSSP/EUSART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 35
• Number Of Timers: 3
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 53273-916
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM164123, DM164120-3, DV164122
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 14-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT44QFN2 - SOCKET TRAN ICE 44QFN/40DIPAC164322 - MODULE SOCKET MPLAB PM3 28/44QFN444-1001 - DEMO BOARD FOR PICMICRO MCU
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Data Sheet Clarifications
The
clarifications are to be noted for the latest version of the
device data sheet (DS41291F):
1. Module: ADC (Block Diagram)
2. Module: ADC
EQUATION 9-1:
© 2009 Microchip Technology Inc.
Note:
Figure
references from AV
Acquisition Time Example calculation correction.
The value for T
Solving for T
Therefore:
Assumptions:
V
V
V
following
AP P LI ED
AP P LIED
A PP LIE D
T
Corrections are shown in bold. Where
possible, the original bold text formatting
has been removed for clarity.
ACQ
T
9-1:
T
ACQ
C
⎛
⎝
C
⎛
⎜
⎝
⎛
⎜
⎝
=
=
1
=
=
=
:
typographical
1 e
1 e
ADC
C
=
=
=
–
2µs
Temperature
–
–
4.67µs
–
can be approximated with the following equations:
–
1.37
ACQUISITION TIME EXAMPLE
10pF 1k
--------------------------
(
C
Amplifier Settling Time
T
2µs
SS
2
AMP
HOLD
–
--------- -
–
-------- -
RC
RC
n
+
µs
T
Tc
Block
to V
+
+
C
1.37µs
(
1
⎞
⎟
⎠
⎞
⎟
⎠
1
+
T
(
SS
) 1
R
C
=
=
Ω
T
–
IC
+
C
and AV
+
Diagram
V
V
+
+
+
[
corrections
⎞
⎠
(
7k
=
CHOLD
A P PLIE D
Temperature - 25°C
T
[
R
(
Ω
COFF
=
SS
50°C- 25°C
50°C and external impedance of 10k
DD
+
+
V
10k
to V
CHOLD
R
changes
S
⎛
⎝
) ln(1/2047)
+
1
Ω
DD
)
Hold Capacitor Charging Time
–
and
.
ln(0.0004885)
) 0.05µs/°C
--------------------------
(
(
2
n
+
) 0.05µs/°C
1
1
(
) 1
–
)
]
⎞
⎠
;[2] V
;combining [1] and [2]
;[1] V
)
]
CHOLD
CHOLD
Ω
5.0V V
+
charge response to V
charged to within 1/2 lsb
Temperature Coefficient
DD
PIC16F88X
DS80302F-page 13
APPLIED