PIC16LF1939-E/PT Microchip Technology, PIC16LF1939-E/PT Datasheet - Page 97

• Manufacturer Part Number: PIC16LF1939-E/PT
• Description: 28KB Flash, 1KB RAM, 256B EEPROM, LCD, NanoWatt XLP 44 TQFP 10x10x1mm TRAY
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16LF1939-E/PT

• 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: 36
• 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 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 7-4:
 2009 Microchip Technology Inc.
INSTRUCTION FLOW
CLKOUT
INT pin
INTF
OSC1
GIE
Instruction
Executed
Note 1: INTF flag is sampled here (every Q1).
Instruction
Fetched
PC
2: Asynchronous interrupt latency = 3-5 T
3: CLKOUT not available in all Oscillator modes.
4: For minimum width of INT pulse, refer to AC specifications in Section 29.0 “Electrical Specifications””.
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
Q3
(4)
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
—
PIC16F193X/LF193X
Q3
Q4
(2)
Q1
Dummy Cycle
CY
Inst (0004h)
, where T
Q2
0004h
Q3
CY
Q4
= instruction cycle time.
Q1
DS41364D-page 97
Inst (0005h)
Q2
Inst (0004h)
0005h
Q3
Q4