PIC16F874A-E/ML Microchip Technology, PIC16F874A-E/ML Datasheet - Page 605
![IC MCU FLASH 4KX14 A/D 44QFN](/photos/6/81/68122/150-44-qfn_sml.jpg)
PIC16F874A-E/ML
Manufacturer Part Number
PIC16F874A-E/ML
Description
IC MCU FLASH 4KX14 A/D 44QFN
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16C770-ISO.pdf
(8 pages)
4.PIC16F873A-ISO.pdf
(234 pages)
5.PIC16F873A-ISO.pdf
(6 pages)
6.PIC16F873A-ISO.pdf
(4 pages)
7.PIC16F873A-ISO.pdf
(6 pages)
8.PIC16F873A-ISO.pdf
(4 pages)
9.PIC16F873A-ISO.pdf
(22 pages)
Specifications of PIC16F874A-E/ML
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
33
Program Memory Size
7KB (4K x 14)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
192 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
44-QFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16C770-ISO PDF datasheet #3
- PIC16F873A-ISO PDF datasheet #4
- PIC16F873A-ISO PDF datasheet #5
- PIC16F873A-ISO PDF datasheet #6
- PIC16F873A-ISO PDF datasheet #7
- PIC16F873A-ISO PDF datasheet #8
- PIC16F873A-ISO PDF datasheet #9
- Current page: 605 of 688
- Download datasheet (3Mb)
Figure 30-19: Example 8-bit A/D Conversion Timing Waveforms
Table 30-31:
Note 1: ADRES register may be read on the following T
Param
1997 Microchip Technology Inc.
No.
130
131
132
134
136
135
Note 1: If the A/D clock source is selected as RC, a time of T
†
§ This specification ensured by design.
A/D DATA
SAMPLE
tested.
A/D CLK
Data in “Typ” column is at 5V, 25 C unless otherwise stated. These parameters are for design guidance only and are not
ADRES
Symbol Characteristic
See the
BSF ADCON0, GO
T
T
T
T
ADIF
T
T
SWC
CNV
ACQ
AMP
GO
GO
Q4
AD
allows the SLEEP instruction to be executed.
Example 8-bit A/D Conversion Requirements
“8-bit A/D Converter”
A/D clock period PIC16CXXX
Conversion time
(not including S/H time) (Note 1)
Acquisition time
Q4 to A/D clock start
Amplifier settling time (Note 2)
Switching Time from
convert
132
Section 30. Electrical Specifications
sample
(T
OSC
/2)
PIC16LCXXX
PIC16CXXX
PIC16LCXXX
7
(1)
section for minimum requirements.
6
OLD_DATA
Note 2
5
Min
1.6
2.0
2.0
3.0
1 §
11
—
SAMPLING STOPPED
5
1
CY
4
cycle.
2T
Typ†
131
130
4.0
6.0
20
—
—
—
—
—
—
OSC
§
CY
3
is added before the A/D clock starts. This
Max
6.0
9.0
1 §
11
—
—
—
—
—
—
2
Units
T
T
1
—
AD
AD
s
s
s
s
s
s
s
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 voltage 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
before the A/D clock starts. This
allows the SLEEP instruction to be
executed.
This may be used if the “new”
input voltage has not changed by
more than 1LSb (i.e. 5 mV @
5.12V) from the last sampled volt-
age (as stated on C
1 T
0
OSC
OSC
HOLD
CY
).
based, V
based, V
NEW_DATA
Conditions
DONE
DS31030A-page 30-35
REF
REF
CY
HOLD
full range
is added
3.0V
).
30
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