PIC18F65K90T-I/PT Microchip Technology, PIC18F65K90T-I/PT Datasheet - Page 383
![32kB Flash, 2kB RAM, 1kB EE, NanoWatt XLP, LCD 64 TQFP 10x10x1mm T/R](/photos/16/3/160367/tqfp-64_sml.jpg)
PIC18F65K90T-I/PT
Manufacturer Part Number
PIC18F65K90T-I/PT
Description
32kB Flash, 2kB RAM, 1kB EE, NanoWatt XLP, LCD 64 TQFP 10x10x1mm T/R
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheet
1.PIC18F66K90-IMR.pdf
(570 pages)
Specifications of PIC18F65K90T-I/PT
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Program Memory Type
Flash
Program Memory Size
32 KB
Data Ram Size
2 KB
Interface Type
I2C, SPI
Maximum Clock Frequency
64 MHz
Number Of Timers
8
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 125 C
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit, 16 Channel
Core Processor
PIC
Core Size
8-Bit
Speed
64MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
53
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 16x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F65K90T-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Company:
Part Number:
PIC18F65K90T-I/PTRSL
Manufacturer:
Microchip Technology
Quantity:
10 000
- Current page: 383 of 570
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After the A/D module has been configured as desired,
the selected channel must be acquired before the
conversion can start. The analog input channels must
have their corresponding TRIS bits selected as inputs.
To determine acquisition time, see
Acquisition Requirements”
time has elapsed, the A/D conversion can be started.
An acquisition time can be programmed to occur
between setting the GO/DONE bit and the actual start
of the conversion.
To do an A/D conversion, follow these steps:
1.
FIGURE 23-5:
2009-2011 Microchip Technology Inc.
Configure the A/D module:
• Configure the required ADC pins as analog
• Set the voltage reference (ADCON1)
• Select the A/D positive and negative input
• Select the A/D acquisition time (ADCON2)
• Select the A/D conversion clock (ADCON2)
• Turn on the A/D module (ADCON0)
pins (ANCON0, ANCON1 and ANCON2)
channels (ADCON0 and ADCON1)
Legend: C
V
AIN
R
S
V
I
R
SS
C
R
LEAKAGE
T
PIN
IC
HOLD
SS
ANALOG INPUT MODEL
ANx
C
5 pF
PIN
. After this acquisition
= Input Capacitance
= Threshold Voltage
= Leakage Current at the pin due to
= Interconnect Resistance
= Sampling Switch
= Sample/Hold Capacitance (from DAC)
= Sampling Switch Resistance
various junctions
Section 23.3 “A/D
V
DD
V
V
T
T
= 0.6V
= 0.6V
PIC18F87K90 FAMILY
I
±100 nA
LEAKAGE
2.
3.
4.
5.
6.
7.
R
IC
Configure the A/D interrupt (if desired):
• Clear the ADIF bit (PIR1<6>)
• Set the ADIE bit (PIE1<6>)
• Set the GIE bit (INTCON<7>)
Wait the required acquisition time (if required).
Start the conversion:
• Set the GO/DONE bit (ADCON0<1>)
Wait for A/D conversion to complete, by either:
• Polling for the GO/DONE bit to be cleared
OR
• Waiting for the A/D interrupt
Read A/D Result registers (ADRESH:ADRESL),
and if required, clear bit, ADIF.
For the next conversion, begin with Step 1 or 2,
as required.
The A/D conversion time per bit is defined as T
Before the next acquisition starts, a minimum Wait
of 2 T
1k
AD
is required.
SS
Sampling
Switch
V
DD
R
SS
Sampling Switch
1
V
SS
C
2
HOLD
3
DS39957D-page 383
= 25 pF
(k)
4
AD
.
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