PIC16F74-E/PT Microchip Technology, PIC16F74-E/PT Datasheet - Page 141

• Manufacturer Part Number: PIC16F74-E/PT
• Description: IC MCU FLASH 4KX14 A/D 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F74-E/PT

• 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
• Ram Size: 192 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: PIC16F74E/PT

FIGURE 15-19:
TABLE 15-13: A/D CONVERSION REQUIREMENTS
 2002 Microchip Technology Inc.
Note 1: ADRES register may be read on the following T
Param
130
131
132
134
No.
Note 1: If the A/D clock source is selected as RC, a time of T
A/D DATA
*
† Data in “Typ” column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance
2: See Section 11.1 for minimum conditions.
SAMPLE
A/D CLK
ADRES
T
T
T
T
Sym
BSF ADCON0, GO
AD
CNV
ACQ
GO
These parameters are characterized but not tested.
only and are not tested.
ADIF
GO
Q4
to be executed.
A/D clock period
Conversion time (not including
S/H time) (Note 1)
Acquisition time
Q4 to A/D clock start
134
132
Characteristic
A/D CONVERSION TIMING
(T
OSC
/2)
7
(1)
PIC16F7X
PIC16LF7X
PIC16F7X
PIC16LF7X
6
OLD_DATA
5
CY
SAMPLING STOPPED
is added before the A/D clock starts. This allows the SLEEP instruction
CY
Min
1.6
2.0
2.0
3.0
5*
—
9
4
cycle.
131
130
T
Typ†
OSC
3
4.0
6.0
—
—
—
—
/2
2
Max
6.0
9.0
—
—
—
—
9
1
Units
T
µs
µs
µs
µs
µs
—
AD
1 T
0
T
T
2.0V ≤ V
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
is added before the A/D clock
starts. This allows the SLEEP
instruction to be executed.
OSC
OSC
CY
PIC16F7X
based, V
based,
NEW_DATA
DONE
REF
Conditions
DS30325B-page 139
HOLD
≤ 5.5V
REF
).
≥ 3.0V
CY