PIC18LF6621-I/PT Microchip Technology, PIC18LF6621-I/PT Datasheet - Page 124
![IC PIC MCU FLASH 32KX16 64TQFP](/photos/6/81/68123/c04-066_pf_sml.jpg)
PIC18LF6621-I/PT
Manufacturer Part Number
PIC18LF6621-I/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)
Specifications of PIC18LF6621-I/PT
Core Size
8-Bit
Program Memory Size
64KB (32K x 16)
Core Processor
PIC
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
53
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
3.8K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TFQFP
Controller Family/series
PIC18
No. Of I/o's
53
Eeprom Memory Size
1024Byte
Ram Memory Size
3.75KB
Cpu Speed
40MHz
No. Of Timers
5
Processor Series
PIC18LF
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
2 V to 5.5 V
Maximum Operating Temperature
+ 85 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
Package
64TQFP
Device Core
PIC
Family Name
PIC18
Maximum Speed
40 MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18LF6621-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- Current page: 124 of 396
- Download datasheet (8Mb)
PIC18F6525/6621/8525/8621
10.8
PORTH is an 8-bit wide, bidirectional I/O port. The cor-
responding data direction register is TRISH. Setting a
TRISH bit (= 1) will make the corresponding PORTH
pin an input (i.e., put the corresponding output driver in
a high-impedance mode). Clearing a TRISH bit (= 0)
will make the corresponding PORTH pin an output (i.e.,
put the contents of the output latch on the selected pin).
Read-modify-write operations on the LATH register,
read and write the latched output value for PORTH.
Pins RH7:RH4 are multiplexed with analog inputs
AN15:AN12. Pins RH3:RH0 are multiplexed with the
system bus as the external memory interface; they are
the high-order address bits A19:A16. By default, pins
RH7:RH4 are enabled as A/D inputs and pins
RH3:RH0 are enabled as the system address bus.
Register ADCON1 configures RH7:RH4 as I/O or A/D
inputs. Register MEMCON configures RH3:RH0 as I/O
or system bus pins.
EXAMPLE 10-8:
DS39612B-page 122
CLRF
CLRF
MOVLW
MOVWF
MOVLW
MOVWF
Note:
Note 1: On
2: On
PORTH, LATH and TRISH
Registers
PORTH
LATH
0Fh
ADCON1 ;
0CFh
TRISH
PORTH is available only on PIC18F8525/
8621 devices.
RH7:RH4 default to A/D inputs and read
as ‘0’.
RH3:RH0 default to system bus signals.
Power-on
Power-on
; Initialize PORTH by
; clearing output
; data latches
; Alternate method
; to clear output
; data latches
;
; Value used to
; initialize data
; direction
; Set RH3:RH0 as inputs
; RH5:RH4 as outputs
; RH7:RH6 as inputs
INITIALIZING PORTH
Reset,
Reset,
PORTH
PORTH
pins
pins
FIGURE 10-18:
FIGURE 10-19:
Note 1: I/O pins have diode protection to V
RD LATH
WR LATH
or
PORTH
RD TRISH
RD PORTH
RD LATH
Data
Bus
Data
Bus
WR TRISH
WR LATH
or
PORTH
RD TRISH
RD PORTH
WR TRISH
Note 1: I/O pins have diode protection to V
To A/D Converter
TRIS Latch
TRIS Latch
Data Latch
Data Latch
D
D
D
D
CK
CK
CK
CK
RH3:RH0 PINS BLOCK
DIAGRAM IN I/O MODE
Q
RH7:RH4 PINS BLOCK
DIAGRAM IN I/O MODE
Q
Q
2005 Microchip Technology Inc.
Q
Q
Q
EN
EN
Schmitt
Trigger
Input
Buffer
EN
Schmitt
Trigger
Input
Buffer
EN
D
D
DD
DD
and V
and V
I/O pin
I/O pin
SS
SS
(1)
.
(1)
.
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