PIC18F8410-E/PT Microchip Technology, PIC18F8410-E/PT Datasheet - Page 125
PIC18F8410-E/PT
Manufacturer Part Number
PIC18F8410-E/PT
Description
IC PIC MCU FLASH 16KX16 80TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC18F6310-IPT.pdf
(412 pages)
2.PIC18F6310-IPT.pdf
(16 pages)
3.PIC18F6310-IPT.pdf
(4 pages)
4.PIC18F6310-IPT.pdf
(28 pages)
5.PIC18F6310-IPT.pdf
(6 pages)
6.PIC18F6310-IPT.pdf
(4 pages)
Specifications of PIC18F8410-E/PT
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
70
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
80-TFQFP
For Use With
XLT80PT3 - SOCKET TRAN ICE 80MQFP/TQFPAC164320 - MODULE SKT MPLAB PM3 80TQFPAC174011 - MODULE SKT PROMATEII 80TQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F8410-E/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
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11.0
Depending on the device selected and features
enabled, there are up to nine ports available. Some
pins of the I/O ports are multiplexed with an alternate
function from the peripheral features on the device. In
general, when a peripheral is enabled, that pin may not
be used as a general purpose I/O pin.
Each port has three registers for its operation. These
registers are:
• TRIS register (Data Direction register)
• PORT register (reads the levels on the pins of the
• LAT register (Output Latch register)
The Output Latch (LAT register) is useful for
read-modify-write operations on the value that the I/O
pins are driving.
A simplified model of a generic I/O port, without the
interfaces to other peripherals, is shown in
FIGURE 11-1:
2010 Microchip Technology Inc.
device)
Note 1:
RD LAT
Data
Bus
WR LAT
or Port
WR TRIS
RD TRIS
RD Port
I/O PORTS
I/O pins have diode protection to V
TRIS Latch
Data Latch
D
D
CK
CK
GENERIC I/O PORT
OPERATION
Q
Q
Q
EN
EN
D
DD
and V
Figure
I/O pin
Buffer
PIC18F6310/6410/8310/8410
Input
SS
.
11-1.
(1)
11.1
PORTA is an 8-bit wide, bidirectional port. The corre-
sponding Data Direction register is TRISA. Setting a
TRISA bit (= 1) will make the corresponding PORTA pin
an input (i.e., put the corresponding output driver in a
High-Impedance mode). Clearing a TRISA bit (= 0) will
make the corresponding PORTA pin an output (i.e., put
the contents of the output latch on the selected pin).
Reading the PORTA register reads the status of the
pins, whereas writing to it, will write to the port latch.
The Output Latch register (LATA) is also memory
mapped. Read-modify-write operations on the LATA
register read and write the latched output value for
PORTA.
The RA4 pin is multiplexed with the Timer0 module
clock input to become the RA4/T0CKI pin. Pins, RA6
and RA7, are multiplexed with the main oscillator pins.
They are enabled as oscillator or I/O pins by the selec-
tion of the main oscillator in the Configuration register
(see Section 24.1 “Configuration Bits” for details).
When they are not used as port pins, RA6 and RA7 and
their associated TRIS and LAT bits are read as ‘0’.
The other PORTA pins are multiplexed with the analog
V
RA<5:0>, as A/D Converter inputs is selected by
clearing or setting the PCFG<3:0> control bits in the
ADCON1 register.
The RA4/T0CKI pin is a Schmitt Trigger input and an
open-drain output. All other PORTA pins have TTL
input levels and full CMOS output drivers.
The TRISA register controls the direction of the PORTA
pins, even when they are being used as analog inputs.
The user must ensure the bits in the TRISA register are
maintained set when using them as analog inputs.
EXAMPLE 11-1:
REF
CLRF
CLRF
MOVLW
MOVWF
MOVWF
MOVWF
MOVLW
MOVWF
Note:
+ and V
PORTA, TRISA and
LATA Registers
PORTA
LATA
07h
ADCON1 ; for digital inputs
07h
CMCON
0CFh
TRISA
On a Power-on Reset, RA5 and RA<3:0>
are configured as analog inputs and read
as ‘0’. RA4 is configured as a digital input.
REF
- inputs. The operation of pins,
; Initialize PORTA by
; clearing output
; data latches
; Alternate method
; to clear output
; data latches
; Configure A/D
; Configure comparators
; for digital input
; Value used to
; initialize data
; direction
; Set RA<3:0> as inputs
; RA<5:4> as outputs
INITIALIZING PORTA
DS39635C-page 125
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