PIC18LF2331-I/SP Microchip Technology, PIC18LF2331-I/SP Datasheet - Page 165
PIC18LF2331-I/SP
Manufacturer Part Number
PIC18LF2331-I/SP
Description
IC MCU FLASH 4KX16 28-DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F818-ISO.pdf
(6 pages)
3.PIC18F2331-ISO.pdf
(392 pages)
4.PIC18F2331-ISO.pdf
(8 pages)
5.PIC18F2331-ISO.pdf
(6 pages)
6.PIC18F2331-ISO.pdf
(16 pages)
7.PIC18LF2331-ISO.pdf
(4 pages)
8.PIC18LF2331-ISO.pdf
(40 pages)
Specifications of PIC18LF2331-I/SP
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, Power Control PWM, QEI, POR, PWM, WDT
Number Of I /o
24
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 5x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- PIC16F818-ISO PDF datasheet #2
- PIC18F2331-ISO PDF datasheet #3
- PIC18F2331-ISO PDF datasheet #4
- PIC18F2331-ISO PDF datasheet #5
- PIC18F2331-ISO PDF datasheet #6
- PIC18LF2331-ISO PDF datasheet #7
- PIC18LF2331-ISO PDF datasheet #8
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- Download datasheet (4Mb)
FIGURE 17-9:
FIGURE 17-10:
2010 Microchip Technology Inc.
Note 1: The POSCNT register is shown in QEI x4 Update mode (POSCNT increments on every rising and every falling edge
Note 1: The module design allows a quadrature frequency of up to F
T
QEA Pin
QEB Pin
QEA Input
QEB Input
CY
2: When POSCNT = MAXCNT, POSCNT is reset to ‘0’ on the next QEA rising edge. POSCNT is set to MAXCNT when
3: IC2QEIF is generated on the Q4 rising edge.
4: Position counter is loaded with ‘0’ (which is a rollover event in this case) on POSCNT = MAXCNT.
5: Position counter is loaded with MAXCNT value (1527h) on underflow.
6: IC2QEIF must be cleared in software.
QEA
QEB
Count (+/-)
POSCNT
MAXCNT
IC2QEIF
UP/DOWN
Position
Counter Load
IC3DRIF
of QEA and QEB input signals). Asynchronous external QEA and QEB inputs are synchronized to the T
the input sampling FF in the noise filter (see
POSCNT = 0 (when decrementing), which occurs on the next QEA falling edge.
(1)
T
GD
QEI INPUTS WHEN SAMPLED BY THE FILTER (DIVIDE RATIO = 1:1)
QEI MODULE RESET TIMING ON PERIOD MATCH
+1 +1 +1 +1 +1 +1 +1 +1 +1 +1 +1 +1
MAXCNT=1527
= 3 T
CY
Note 2
Q1
Q4
Forward
(4)
(3)
T
QEI
PIC18F2331/2431/4331/4431
= 16 T
Q1
CY
(5)
Figure
(1)
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
Note 6
Note 2
Q1
17-14).
Q4
(5)
(3)
Reverse
QEI
= F
CY
/16.
DS39616D-page 165
CY
clock by
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