PIC18F87J72-I/PT Microchip Technology, PIC18F87J72-I/PT Datasheet - Page 276
PIC18F87J72-I/PT
Manufacturer Part Number
PIC18F87J72-I/PT
Description
IC PIC MCU 8BIT 14KB FLSH 80TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheet
1.PIC18F86J72-IPT.pdf
(480 pages)
Specifications of PIC18F87J72-I/PT
Program Memory Type
FLASH
Program Memory Size
128KB (64K x 16)
Package / Case
80-TQFP
Core Processor
PIC
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, LVD, POR, PWM, WDT
Number Of I /o
51
Ram Size
3.8K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 3.6 V
Data Converters
A/D 12x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
SPI, USART, SPI, I2C
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
51
Number Of Timers
4
Operating Supply Voltage
2 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
14
Controller Family/series
PIC18F
No. Of I/o's
51
Ram Memory Size
3923Byte
Cpu Speed
48MHz
No. Of Timers
4
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
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Quantity
Price
Company:
Part Number:
PIC18F87J72-I/PT
Manufacturer:
Microchip
Quantity:
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Manufacturer:
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PIC18F87J72 FAMILY
The analog reference voltage is software selectable to
either the device’s positive and negative supply voltage
(AV
V
The A/D Converter has a unique feature of being able
to operate while the device is in Sleep mode. To
operate in Sleep, the A/D conversion clock must be
derived from the A/D’s internal RC oscillator.
The output of the sample and hold is the input into the
converter, which generates the result via successive
approximation.
Each port pin associated with the A/D Converter can be
configured as an analog input or as a digital I/O. The
ADRESH and ADRESL registers contain the result of the
FIGURE 21-1:
DS39979A-page 276
REF
DD
+ and RA2/AN2/V
Note 1: Channels, AN15 through AN12, are not available on PIC18F87J62 devices.
and AV
2: I/O pins have diode protection to V
SS
Converter
12-Bit
) or the voltage level on the RA3/AN3/
A/D
Reference
Voltage
A/D BLOCK DIAGRAM
REF
- pins.
V
V
REF
REF
+
-
(Input Voltage)
VCFG<1:0>
V
(1,2)
AIN
Preliminary
DD
and V
AV
SS
DD
.
A/D conversion. When the A/D conversion is complete,
the result is loaded into the ADRESH:ADRESL register
pair, the GO/DONE bit (ADCON0<1>) is cleared and the
A/D Interrupt Flag bit, ADIF, is set.
A device Reset forces all registers to their Reset state.
This forces the A/D module to be turned off and any
conversion in progress is aborted. The value in the
ADRESH:ADRESL register pair is not modified for a
Power-on Reset. These registers will contain unknown
data after a Power-on Reset.
The block diagram of the A/D module is shown in
Figure 21-1.
AV
SS
CHS<3:0>
1011
1010
1001
1000
0111
0110
0101
0100
0011
0010
0001
0000
2010 Microchip Technology Inc.
AN11
AN10
AN9
AN8
AN7
AN6
AN5
AN4
AN3
AN2
AN1
AN0
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