PIC18F6621-E/PT Microchip Technology, PIC18F6621-E/PT Datasheet - Page 116
![IC PIC MCU FLASH 32KX16 64TQFP](/photos/6/81/68123/c04-066_pf_sml.jpg)
PIC18F6621-E/PT
Manufacturer Part Number
PIC18F6621-E/PT
Description
IC PIC MCU FLASH 32KX16 64TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F6525-IPT.pdf
(396 pages)
3.PIC18F6525-IPT.pdf
(8 pages)
4.PIC18F6525-IPT.pdf
(38 pages)
Specifications of PIC18F6621-E/PT
Core Processor
PIC
Core Size
8-Bit
Speed
25MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
53
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
3.75K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
64-TFQFP
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3840 B
Interface Type
MSSP, SPI, I2C, EUSART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
53
Number Of Timers
2 x 8 bit
Operating Supply Voltage
4.2 V to 5.5 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DV164136, DM183032
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F6621-E/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC18F6525-IPT PDF datasheet #2
- PIC18F6525-IPT PDF datasheet #3
- PIC18F6525-IPT PDF datasheet #4
- Current page: 116 of 396
- Download datasheet (8Mb)
PIC18F6525/6621/8525/8621
10.5
PORTE is an 8-bit wide, bidirectional port. The corre-
sponding data direction register is TRISE. Setting a
TRISE bit (= 1) will make the corresponding PORTE
pin an input (i.e., put the corresponding output driver in
a high-impedance mode). Clearing a TRISE bit (= 0)
will make the corresponding PORTE pin an output (i.e.,
put the contents of the output latch on the selected pin).
Read-modify-write operations on the LATE register,
read and write the latched output value for PORTE.
PORTE is an 8-bit port with Schmitt Trigger input
buffers. Each pin is individually configurable as an input
or output. PORTE is multiplexed with the ECCP
module (Table 10-9).
On PIC18F8525/8621 devices, PORTE
multiplexed with the system bus as the external memory
interface; the I/O bus is available only when the system
bus is disabled by setting the EBDIS bit in the MEMCON
register (MEMCON<7>). If the device is configured in
Microprocessor or Extended Microcontroller mode, then
the PORTE<7:0> becomes the high byte of the address/
data bus for the external program memory interface. In
Microcontroller mode, the PORTE<2:0> pins become
the control inputs for the Parallel Slave Port when bit
PSPMODE
Section 4.1.1 “PIC18F6525/6621/8525/8621 Program
Memory Modes” for more information.)
DS39612B-page 114
PORTE, TRISE and LATE
Registers
(PSPCON<4>)
is
set.
(Refer
is also
to
When the Parallel Slave Port is active, three PORTE
pins (RE0/AD8/RD/P2D, RE1/AD9/WR/P2C and RE2/
AD10/CS/P2B) function as its control inputs. This
automatically
(PSPCON<4>) is set. Users must also make certain
that bits TRISE<2:0> are set to configure the pins as
digital inputs and the ADCON1 register is configured
for digital I/O. The PORTE PSP control functions are
summarized in Table 10-9.
Pin RE7 can be configured as the alternate peripheral
pin for the ECCP2 module when the device is operating
in Microcontroller mode. This is done by clearing the
configuration bit, CCP2MX, in the CONFIG3H
Configuration register (CONFIG3H<0>).
EXAMPLE 10-5:
CLRF
CLRF
MOVLW
MOVWF
Note:
PORTE
LATE
0x03
TRISE
For PIC18F8525/8621 (80-pin) devices
operating in Extended Microcontroller
mode, PORTE defaults to the system bus
on Power-on Reset.
occurs
; Initialize PORTE by
; clearing output
; data latches
; Alternate method
; to clear output
; data latches
; Value used to
; initialize data
; direction
; Set RE1:RE0 as inputs
; RE7:RE2 as outputs
INITIALIZING PORTE
2005 Microchip Technology Inc.
when
the
PSPMODE
bit
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