PIC16LF1938-I/MV Microchip Technology, PIC16LF1938-I/MV Datasheet - Page 89
PIC16LF1938-I/MV
Manufacturer Part Number
PIC16LF1938-I/MV
Description
IC MCU 8BIT 28KB FLASH 28UQFN
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheet
1.PIC16LF1938-IMV.pdf
(452 pages)
Specifications of PIC16LF1938-I/MV
Core Processor
PIC
Core Size
8-Bit
Speed
32MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
25
Program Memory Size
28KB (16K x 14)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-UFQFN Exposed Pad
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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7.0
The interrupt feature allows certain events to preempt
normal program flow. Firmware is used to determine
the source of the interrupt and act accordingly. Some
interrupts can be configured to wake the MCU from
Sleep mode.
This chapter contains the following information for
Interrupts:
• Operation
• Interrupt Latency
• Interrupts During Sleep
• INT Pin
• Automatic Context Saving
Many peripherals produce Interrupts. Refer to the cor-
responding chapters for details.
A block diagram of the interrupt logic is shown in
Figure
FIGURE 7-1:
2011 Microchip Technology Inc.
RBx
7-1.
INTERRUPTS
IOCBNx
IOCBPx
Q2
Q4Q1
Q1
Q3
Q4
Q2
INTERRUPT LOGIC
Q4
Q4Q1
D
D
CK
CK
R
R
Q1
Q
Q
Q2
Write IOCBFx
Preliminary
Q3
Q4Q1
Data Bus =
0 or 1
IOCBFx Individual
Q4
From all other
Detect
Pin Detectors
Edge
Q4Q1
D
CK
Q1
S
PIC16(L)F1938/9
Q
Q2
To Data Bus
Q3
IOCBFx
IOCIE
Q4
Q4Q1
DS41574A-page 89
IOC Interrupt
to CPU Core
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