PIC16F872-I/SP Microchip Technology Inc., PIC16F872-I/SP Datasheet - Page 139

• Manufacturer Part Number: PIC16F872-I/SP
• Description: 28 PIN, 7 KB FLASH, 128 RAM, 22 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F872-I/SP

• A/d Inputs: 5-Channel, 10-Bit
• Cpu Speed: 5 MIPS
• Eeprom Memory: 64 Bytes
• Input Output: 22
• Interface: I2C/SPI
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 28-pin SPDIP
• Programmable Memory: 3.5K Bytes
• Ram Size: 128 Bytes
• 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 14-16:
TABLE 14-10: A/D CONVERSION REQUIREMENTS
© 2006 Microchip Technology Inc.
Note 1: ADRES register may be read on the following T
Param
No.
130
131
132
134
A/D DATA
Note:
SAMPLE
A/D CLK
BSF ADCON0, GO
2: See Section 10.1 for min. conditions.
† Data in "Typ" column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only and are not
§ This specification ensured by design.
* These parameters are characterized but not tested.
ADRES
T
T
T
T
Sym
AD
CNV
ACQ
GO
tested.
ADIF
GO
Q4
A/D Clock Period
Conversion Time (not including S/H time)
(Note 1)
Acquisition Time
Q4 to A/D Clock Start
If the A/D clock source is selected as RC, a time of T
SLEEP instruction to be executed.
132
A/D CONVERSION TIMING
Characteristic
(T
OSC
/2)
Standard(F)
Extended(LF)
Standard(F)
Extended(LF)
9
(1)
8
OLD_DATA
CY
7
(Note 2)
SAMPLING STOPPED
cycle.
Min
10*
1.6
3.0
2.0
3.0
—
131
130
T
CY
OSC
Typ†
4.0
6.0
40
—
—
—
—
is added before the A/D clock starts. This allows the
/2 §
2
Max
6.0
9.0
12
—
—
—
—
—
1
Units
T
—
AD
s
s
s
s
s
s
1 T
0
T
T
A/D RC mode
A/D RC mode
The minimum time is the
amplifier settling time. This may
be used if the "new" input volt-
age has not changed by more
than 1 LSb (i.e., 20.0 mV @
5.12V) from the last sampled
voltage (as stated on C
If the A/D clock source is
selected as RC, a time of T
added before the A/D clock
starts. This allows the SLEEP
instruction to be executed.
CY
OSC
OSC
PIC16F872
based, V
based, V
NEW_DATA
DONE
Conditions
DS30221C-page 137
REF
REF
3.0V
2.0V
HOLD
CY
).
is