PIC16LF1938-I/MV Microchip Technology, PIC16LF1938-I/MV Datasheet - Page 92

• Manufacturer Part Number: PIC16LF1938-I/MV
• Description: IC MCU 8BIT 28KB FLASH 28UQFN
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

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

PIC16(L)F1938/9
FIGURE 7-3:
DS41574A-page 92
INSTRUCTION FLOW
CLKOUT
INT pin
INTF
OSC1
GIE
Note 1: INTF flag is sampled here (every Q1).
Instruction
Executed
Instruction
Fetched
PC
2: Asynchronous interrupt latency = 3-5 T
3: CLKOUT is not available in all Oscillator modes.
4: For minimum width of INT pulse, refer to AC specifications in the applicable Electrical Specifications Chapter”.
5: INTF is enabled to be set any time during the Q4-Q1 cycles.
(3)
Latency is the same whether Inst (PC) is a single cycle or a 2-cycle instruction.
Q1
Inst (PC – 1)
Inst (PC)
(1)
INT PIN INTERRUPT TIMING
Q2
PC
(4)
Q3
Q4
(5)
Q1
Inst (PC + 1)
Inst (PC)
Q2
(1)
PC + 1
Q3
CY
Preliminary
. Synchronous latency = 3-4 T
Q4
Interrupt Latency
Q1
Dummy Cycle
Q2
PC + 1
—
Q3
Q4
(2)
Q1
Dummy Cycle
CY
Inst (0004h)
, where T
Q2
0004h
Q3
 2011 Microchip Technology Inc.
CY
Q4
= instruction cycle time.
Q1
Inst (0005h)
Q2
Inst (0004h)
0005h
Q3
Q4