PIC12F1840T-I/SN Microchip Technology, PIC12F1840T-I/SN Datasheet - Page 255

• Manufacturer Part Number: PIC12F1840T-I/SN
• Description: 7 KB Flash, 256 Bytes RAM, 32 MHz Int. Osc, 6 I/0, Enhanced Mid Range Core 8 SOI
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 12Fr

Specifications of PIC12F1840T-I/SN

• Core Processor: RISC
• Core Size: 8-Bit
• Speed: 32MHz
• Connectivity: I²C, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 5
• Program Memory Size: 7KB (4K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.3 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

FIGURE 25-34:
FIGURE 25-35:
 2011 Microchip Technology Inc.
SDA
SCL
SEN
S
BCL1IF
SSP1IF
S
BCL1IF
SSP1IF
SDA
SCL
SEN
BUS COLLISION DURING START CONDITION (SCL = 0)
BRG RESET DUE TO SDA ARBITRATION DURING START CONDITION
SDA pulled low by other master.
Reset BRG and assert SDA.
’0’
’0’
SCL = 0 before BRG time-out,
bus collision occurs. Set BCL1IF.
Set SEN, enable Start
sequence if SDA = 1, SCL = 1
Less than T
BRG
SDA = 0, SCL = 1
SDA = 0, SCL = 1
Preliminary
SDA = 0, SCL = 1,
set SSP1IF
T
Set SEN, enable Start
sequence if SDA = 1, SCL = 1
BRG
S
Set S
T
BRG
T
BRG
Set SSP1IF
SCL = 0 before SDA = 0,
bus collision occurs. Set BCL1IF.
SCL pulled low after BRG
time-out
PIC12(L)F1840
Interrupt cleared
by software
Interrupts cleared
by software
’0’
’0’
’0’
DS41441B-page 255