PIC16F887-I/PT Microchip Technology Inc., PIC16F887-I/PT Datasheet - Page 260

• Manufacturer Part Number: PIC16F887-I/PT
• Description: MCU, 8-Bit, 8KW Flash, 368 RAM, 36 I/O, TQFP-44
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F887-I/PT

• 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: 44-pin TFQP
• 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

PIC16F882/883/884/886/887
TABLE 17-10: PIC16F882/883/884/886/887 A/D CONVERSION REQUIREMENTS
DS41291D-page 258
Standard Operating Conditions (unless otherwise stated)
Operating temperature
AD130* T
AD131 T
AD132* T
AD133* T
AD134 T
Note 1:
Param
No.
2:
*
† Data in “Typ” column is at 5.0V, 25°C unless otherwise stated. These parameters are for design guidance
Sym
AD
CNV
ACQ
AMP
GO
These parameters are characterized but not tested.
only and are not tested.
ADRESH and ADRESL registers may be read on the following T
See Section 9.3 “A/D Acquisition Requirements” for minimum conditions.
A/D Clock Period
A/D Internal RC
Oscillator Period
Conversion Time
(not including
Acquisition Time)
Acquisition Time
Amplifier Settling Time
Q4 to A/D Clock Start
Characteristic
-40°C ≤ T
(1)
A
≤ +125°C
Min
1.6
3.0
3.0
1.6
—
—
—
—
T
OSC
Preliminary
T
Typ†
OSC
11.5
6.0
4.0
/2 + T
—
—
11
—
/2
CY
Max Units
9.0
9.0
9.0
6.0
—
—
—
—
5
T
μs
μs
μs
μs
μs
μs
—
—
AD
CY
T
T
ADCS<1:0> = 11 (ADRC mode)
At V
At V
Set GO/DONE bit to new data in A/D
Result register
If the A/D clock source is selected as
RC, a time of T
A/D clock starts. This allows the SLEEP
instruction to be executed.
OSC
OSC
cycle.
DD
DD
-based, V
-based, V
= 2.5V
= 5.0V
© 2007 Microchip Technology Inc.
Conditions
REF
REF
CY
≥ 3.0V
is added before the
full range