PIC16F1946-E/PT Microchip Technology, PIC16F1946-E/PT Datasheet - Page 286

• Manufacturer Part Number: PIC16F1946-E/PT
• Description: MCU 8BIT 8K FLASH 64TQFP
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16F1946-E/PT

• Core Size: 8-Bit
• Program Memory Size: 14KB (8K x 14)
• Core Processor: PIC
• Speed: 32MHz
• Connectivity: I²C, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 54
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 17x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 64-TFQFP
• Controller Family/series: PIC16F
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 512Byte
• Cpu Speed: 32MHz
• No. Of Timers: 5
• Interface: EUSART, I2C, SPI
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC16F/LF1946/47
FIGURE 24-34:
FIGURE 24-35:
DS41414B-page 286
SDAx
SCLx
SEN
BCLxIF
S
SSPxIF
S
BCLxIF
SSPxIF
SDAx
SCLx
SEN
BUS COLLISION DURING START CONDITION (SCLX = 0)
BRG RESET DUE TO SDA ARBITRATION DURING START CONDITION
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SDAx pulled low by other master.
Reset BRG and assert SDAx.
SCLx = 0 before BRG time-out,
bus collision occurs. Set BCLxIF.
Set SEN, enable Start
sequence if SDAx = 1, SCLx = 1
Less than T
BRG
SDAx = 0, SCLx = 1
SDAx = 0, SCLx = 1
Preliminary
SDAx = 0, SCLx = 1,
set SSPxIF
T
Set SEN, enable Start
sequence if SDAx = 1, SCLx = 1
BRG
S
Set S
T
BRG
T
BRG
Set SSPxIF
SCLx = 0 before SDAx = 0,
bus collision occurs. Set BCLxIF.
SCLx pulled low after BRG
time-out
Interrupt cleared
by software
Interrupts cleared
by software
 2010 Microchip Technology Inc.
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