PIC18F252-I/SP Microchip Technology, PIC18F252-I/SP Datasheet - Page 156
![IC MCU FLASH 16KX16 EE 28DIP](/photos/6/59/65908/150-28-dip_sml.jpg)
PIC18F252-I/SP
Manufacturer Part Number
PIC18F252-I/SP
Description
IC MCU FLASH 16KX16 EE 28DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F242-ISO.pdf
(332 pages)
3.PIC18F242-ISO.pdf
(14 pages)
4.PIC18F242-ISO.pdf
(16 pages)
5.PIC18F242-ISO.pdf
(16 pages)
6.PIC18F242-ISO.pdf
(14 pages)
7.PIC18F452-EP.pdf
(332 pages)
Specifications of PIC18F252-I/SP
Program Memory Type
FLASH
Program Memory Size
32KB (16K x 16)
Package / Case
28-DIP (0.300", 7.62mm)
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
23
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 5x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
1.5 KB
Interface Type
MSSP/SPI/I2C/PSP/USART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
23
Number Of Timers
4
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DM163022, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
5-ch x 10-bit
Package
28SPDIP
Device Core
PIC
Family Name
PIC18
Maximum Speed
40 MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
PIC18F252-I/SPG
PIC18F252-I/SPG
PIC18F252I/SP
PIC18F252-I/SPG
PIC18F252I/SP
Available stocks
Company
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Manufacturer
Quantity
Price
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PIC18F252-I/SP
Manufacturer:
PANASONIC
Quantity:
35 000
Company:
Part Number:
PIC18F252-I/SP
Manufacturer:
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Quantity:
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- PIC16F616T-ISL PDF datasheet
- PIC18F242-ISO PDF datasheet #2
- PIC18F242-ISO PDF datasheet #3
- PIC18F242-ISO PDF datasheet #4
- PIC18F242-ISO PDF datasheet #5
- PIC18F242-ISO PDF datasheet #6
- PIC18F452-EP PDF datasheet #7
- Current page: 156 of 332
- Download datasheet (6Mb)
PIC18FXX2
15.4.9
A Repeated START condition occurs when the RSEN
bit (SSPCON2<1>) is programmed high and the I
logic module is in the IDLE state. When the RSEN bit is
set, the SCL pin is asserted low. When the SCL pin is
sampled low, the baud rate generator is loaded with the
contents of SSPADD<5:0> and begins counting. The
SDA pin is released (brought high) for one baud rate
generator count (T
times out, if SDA is sampled high, the SCL pin will be
de-asserted (brought high). When SCL is sampled
high, the baud rate generator is reloaded with the con-
tents of SSPADD<6:0> and begins counting. SDA and
SCL must be sampled high for one T
then followed by assertion of the SDA pin (SDA = 0) for
one T
bit (SSPCON2<1>) will be automatically cleared and
the baud rate generator will not be reloaded, leaving
the SDA pin held low. As soon as a START condition is
detected on the SDA and SCL pins, the S bit
(SSPSTAT<3>) will be set. The SSPIF bit will not be set
until the baud rate generator has timed out.
FIGURE 15-20:
DS39564B-page 154
Note 1: If RSEN is programmed while any other
BRG ,
2: A bus collision during the Repeated
while SCL is high. Following this, the RSEN
I
START CONDITION TIMING
event is in progress, it will not take effect.
2
• SDA is sampled low when SCL goes
• SCL goes low before SDA is
START condition occurs if:
C MASTER MODE REPEATED
from low to high.
asserted low. This may indicate that
another master is attempting to
transmit a data "1".
Falling edge of ninth clock
BRG
). When the baud rate generator
REPEAT START CONDITION WAVEFORM
SDA
SCL
End of Xmit
Write to SSPCON2
occurs here.
SDA = 1,
SCL (no change)
BRG
. This action is
2
C
T
SDA = 1,
SCL = 1
BRG
T
BRG
Immediately following the SSPIF bit getting set, the
user may write the SSPBUF with the 7-bit address in
7-bit mode, or the default first address in 10-bit mode.
After the first eight bits are transmitted and an ACK is
received, the user may then transmit an additional eight
bits of address (10-bit mode) or eight bits of data (7-bit
mode).
15.4.9.1
If the user writes the SSPBUF when a Repeated
START sequence is in progress, the WCOL is set and
the contents of the buffer are unchanged (the write
doesn’t occur).
Note:
Sr = Repeated START
T
BRG
At completion of START bit,
hardware clear RSEN bit
Set S (SSPSTAT<3>)
Because queueing of events is not
allowed, writing of the lower 5 bits of
SSPCON2 is disabled until the Repeated
START condition is complete.
and set SSPIF
Write to SSPBUF occurs here
WCOL Status Flag
T
BRG
1st bit
T
BRG
2002 Microchip Technology Inc.
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