PIC16F887-E/P Microchip Technology Inc., PIC16F887-E/P Datasheet - Page 266

• 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

PIC16F882/883/884/886/887
TABLE 17-11: PIC16F883/884/886/887 A/D CONVERSION REQUIREMENTS
DS41291E-page 264
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
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
© 2008 Microchip Technology Inc.
Conditions
REF
REF
CY
≥ 3.0V
is added before the
full range