PIC16LF874A-I/PT Microchip Technology, PIC16LF874A-I/PT Datasheet - Page 197

• Manufacturer Part Number: PIC16LF874A-I/PT
• Description: IC, 8BIT MCU, PIC16LF, 20MHZ, TQFP-44
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16LF874A-I/PT

• Controller Family/series: PIC16LF
• No. Of I/o's: 33
• Eeprom Memory Size: 128Byte
• Ram Memory Size: 192Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Core Size: 8 Bit
• Program Memory Size: 4 Kwords
• Core Processor: PIC
• Speed: 10MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 33
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 192 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 17-19:
TABLE 17-15: A/D CONVERSION REQUIREMENTS
 2003 Microchip Technology Inc.
130
131
132
134
Note 1:
Param
No.
A/D DATA
Note: If the A/D clock source is selected as RC, a time of T
SAMPLE
A/D CLK
2:
ADRES
T
T
T
T
*
†
§
Symbol
BSF ADCON0, GO
AD
CNV
ACQ
GO
ADIF
These parameters are characterized but not tested.
Data in “Typ” column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only and are
not tested.
This specification ensured by design.
ADRES register may be read on the following T
See Section 11.1 “A/D Acquisition Requirements” for minimum conditions.
GO
Q4
instruction to be executed.
A/D Clock Period
Conversion Time (not including S/H time)
(Note 1)
Acquisition Time
Q4 to A/D Clock Start
132
A/D CONVERSION TIMING
Characteristic
(T
OSC
/2)
9
(1)
PIC16F87XA
PIC16LF87XA
PIC16F87XA
PIC16LF87XA
8
OLD_DATA
7
CY
Sampling Stopped
(Note 2)
cycle.
Min
10*
1.6
3.0
2.0
3.0
—
CY
is added before the A/D clock starts. This allows the SLEEP
130
131
T
OSC
Typ†
4.0
6.0
40
—
—
—
—
/2 §
2
Max
6.0
9.0
12
—
—
—
—
—
1
Units
T
—
AD
s
s
s
s
s
s
PIC16F87XA
1 T
0
CY
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.
OSC
OSC
based, V
based, V
NEW_DATA
DONE
Conditions
DS39582B-page 195
REF
REF
3.0V
2.0V
HOLD
CY
).
is