PIC18F2523-I/SO Microchip Technology, PIC18F2523-I/SO Datasheet - Page 203

• Manufacturer Part Number: PIC18F2523-I/SO
• Description: IC PIC MCU FLASH 16KX16 28SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2523-I/SO

• Program Memory Type: FLASH
• Program Memory Size: 32KB (16K x 16)
• Package / Case: 28-SOIC (7.5mm Width)
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 25
• Eeprom Size: 256 x 8
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 10x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 1.5 KB
• Interface Type: EUSART/I2C/MSSP/SPI
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 25
• Number Of Timers: 4
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, DM163022, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10-ch x 12-bit
• Package: 28SOIC W
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Operating Supply Voltage: 2.5|3.3|5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: DM163025 - PIC DEM FULL SPEED USB DEMO BRD
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

FIGURE 17-29:
FIGURE 17-30:
© 2007 Microchip Technology Inc.
SDA
SCL
SEN
S
BCLIF
SSPIF
S
BCLIF
SSPIF
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 BCLIF.
Set SEN, enable Start
sequence if SDA = 1, SCL = 1
Less than T
BRG
SDA = 0, SCL = 1
PIC18F2423/2523/4423/4523
SDA = 0, SCL = 1
Preliminary
SDA = 0, SCL = 1,
set SSPIF
T
Set SEN, enable Start
sequence if SDA = 1, SCL = 1
BRG
S
Set S
T
BRG
T
BRG
Set SSPIF
SCL = 0 before SDA = 0,
bus collision occurs. Set BCLIF.
SCL pulled low after BRG
time-out
Interrupt cleared
in software
Interrupts cleared
in software
‘0’
‘0’
‘0’
DS39755B-page 201