PIC18F4525-E/ML Microchip Technology, PIC18F4525-E/ML Datasheet - Page 200
![IC MCU FLASH 24KX16 44QFN](/photos/6/81/68122/150-44-qfn_sml.jpg)
PIC18F4525-E/ML
Manufacturer Part Number
PIC18F4525-E/ML
Description
IC MCU FLASH 24KX16 44QFN
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC18F2221-ISO.pdf
(46 pages)
2.PIC18F2525-ISO.pdf
(412 pages)
3.PIC18F2525-ISO.pdf
(18 pages)
4.PIC18F2525-ISO.pdf
(18 pages)
5.PIC18F2525-ISO.pdf
(6 pages)
6.PIC18F2525-ISO.pdf
(6 pages)
Specifications of PIC18F4525-E/ML
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
36
Program Memory Size
48KB (24K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
3.8K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 13x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
44-QFN
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3986 B
Interface Type
SPI, I2C, EUSART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
36
Number Of Timers
1 x 8
Operating Supply Voltage
4.2 V to 5.5 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, 53275-917, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
13 bit
For Use With
I3DB18F4620 - BOARD DAUGHTER ICEPIC3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC18F2221-ISO PDF datasheet
- PIC18F2525-ISO PDF datasheet #2
- PIC18F2525-ISO PDF datasheet #3
- PIC18F2525-ISO PDF datasheet #4
- PIC18F2525-ISO PDF datasheet #5
- PIC18F2525-ISO PDF datasheet #6
- Current page: 200 of 412
- Download datasheet (7Mb)
PIC18F2525/2620/4525/4620
17.4.17.2
During a Repeated Start condition, a bus collision
occurs if:
a)
b)
When the user deasserts SDA and the pin is allowed to
float high, the BRG is loaded with SSPADD<6:0> and
counts down to 0. The SCL pin is then deasserted and
when sampled high, the SDA pin is sampled.
FIGURE 17-29:
FIGURE 17-30:
DS39626E-page 198
A low level is sampled on SDA when SCL goes
from low level to high level.
SCL goes low before SDA is asserted low,
indicating that another master is attempting to
transmit a data ‘1’.
SDA
SCL
BCLIF
RSEN
S
SSPIF
SDA
SCL
RSEN
BCLIF
S
SSPIF
Bus Collision During a Repeated
Start Condition
BUS COLLISION DURING A REPEATED START CONDITION (CASE 1)
BUS COLLISION DURING REPEATED START CONDITION (CASE 2)
SCL goes low before SDA,
set BCLIF. Release SDA and SCL.
T
BRG
Sample SDA when SCL goes high.
If SDA = 0, set BCLIF and release SDA and SCL.
masters can assert SDA at exactly the same time.
If SDA is low, a bus collision has occurred (i.e., another
master is attempting to transmit a data ‘0’, Figure 17-29).
If SDA is sampled high, the BRG is reloaded and begins
counting. If SDA goes from high-to-low before the BRG
times out, no bus collision occurs because no two
If SCL goes from high-to-low before the BRG times out
and SDA has not already been asserted, a bus collision
occurs. In this case, another master is attempting to
transmit a data ‘1’ during the Repeated Start condition,
see Figure 17-30.
If, at the end of the BRG time-out, both SCL and SDA
are still high, the SDA pin is driven low and the BRG is
reloaded and begins counting. At the end of the count,
regardless of the status of the SCL pin, the SCL pin is
driven low and the Repeated Start condition is
complete.
T
Cleared in software
BRG
© 2008 Microchip Technology Inc.
Interrupt cleared
in software
‘0’
‘0’
‘0’
Related parts for PIC18F4525-E/ML
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![PIC18F452](/images/manufacturer_photos/0/4/440/microchip_technology_inc__tmb.jpg)
Part Number:
Description:
Manufacturer:
Microchip Technology Inc.
Datasheet:
![PIC18F452-I/P](/photos/6/61/66192/150-40-dip_tmb.jpg)
Part Number:
Description:
IC MCU FLASH 16KX16 EE 40DIP
Manufacturer:
Microchip Technology
Datasheet:
![PIC18F452-I/L](/photos/6/63/66325/150-44-plcc_tmb.jpg)
Part Number:
Description:
IC MCU FLASH 16KX16 EE 44PLCC
Manufacturer:
Microchip Technology
Datasheet:
![PIC18F452-I/PT](/photos/6/82/68251/c04-076_pt_tmb.jpg)
Part Number:
Description:
IC MCU FLASH 16KX16 EE 44TQFP
Manufacturer:
Microchip Technology
Datasheet:
![PIC18F452-I/ML](/photos/6/81/68122/150-44-qfn_tmb.jpg)
Part Number:
Description:
IC MCU FLASH 16KX16 A/D 44QFN
Manufacturer:
Microchip Technology
Datasheet:
![PIC18F452-E/PT](/photos/6/82/68251/c04-076_pt_tmb.jpg)
Part Number:
Description:
IC MCU CMOS 40MHZ 16K FLSH44TQFP
Manufacturer:
Microchip Technology
Datasheet:
![PIC18F452-I/PG](/photos/6/61/66192/150-40-dip_tmb.jpg)
Part Number:
Description:
IC MCU FLASH 16KX16 W/AD 40DIP
Manufacturer:
Microchip Technology
Datasheet:
![PIC18F452-E/P](/photos/6/61/66192/150-40-dip_tmb.jpg)
Part Number:
Description:
IC MCU CMOS 40MHZ 16K FLSH 40DIP
Manufacturer:
Microchip Technology
Datasheet:
![PIC18F452-E/L](/photos/6/63/66325/150-44-plcc_tmb.jpg)
Part Number:
Description:
IC MCU CMOS 40MHZ 16K FLSH44PLCC
Manufacturer:
Microchip Technology
Datasheet:
![PIC18F452-I/LG](/photos/6/63/66325/150-44-plcc_tmb.jpg)
Part Number:
Description:
IC MCU FLASH 16KX16 W/AD 44PLCC
Manufacturer:
Microchip Technology
Datasheet:
![PIC18F452-E/ML](/photos/6/81/68122/150-44-qfn_tmb.jpg)
Part Number:
Description:
44 PIN, 32KB ENH FLASH, 1536 RAM, 34 I/O,
Manufacturer:
Microchip Technology
Datasheet:
![PIC18F6393T-I/PT](/photos/6/81/68123/c04-066_pf_tmb.jpg)
Part Number:
Description:
PIC18F With 128-segment LCD Driver And 12-bit ADC, 8KB Flash, 768B RAM, CCP, MSS
Manufacturer:
Microchip Technology
Datasheet:
![PIC18F6493T-I/PT](/photos/6/81/68123/c04-066_pf_tmb.jpg)
Part Number:
Description:
PIC18F With 128-segment LCD Driver And 12-bit ADC, 16KB Flash, 768B RAM, CCP, MS
Manufacturer:
Microchip Technology
Datasheet:
![PIC18F8393T-I/PT](/images/manufacturer_photos/0/4/439/microchip_technology_tmb.jpg)
Part Number:
Description:
PIC18F With 192-segment LCD Driver And 12-bit ADC, 8KB Flash, 768B RAM, CCP, MSS
Manufacturer:
Microchip Technology
Datasheet: