PIC18F26K20-E/SP Microchip Technology, PIC18F26K20-E/SP Datasheet - Page 228
![IC PIC MCU FLASH 32KX16 28-DIP](/photos/6/59/65908/150-28-dip_sml.jpg)
PIC18F26K20-E/SP
Manufacturer Part Number
PIC18F26K20-E/SP
Description
IC PIC MCU FLASH 32KX16 28-DIP
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheets
1.PIC18F25K20T-ISS.pdf
(42 pages)
2.PIC18F25K20T-ISS.pdf
(456 pages)
3.PIC18F26K20-ISS.pdf
(6 pages)
4.PIC18F26K20-ISS.pdf
(10 pages)
5.PIC18F26K20-ISO.pdf
(430 pages)
Specifications of PIC18F26K20-E/SP
Program Memory Type
FLASH
Program Memory Size
64KB (32K x 16)
Package / Case
28-DIP (0.300", 7.62mm)
Core Processor
PIC
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
24
Eeprom Size
1K x 8
Ram Size
3.8K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3936 B
Interface Type
CCP, ECCP, EUSART, I2C, MSSP, SPI
Maximum Clock Frequency
64 MHz
Number Of Programmable I/os
25
Number Of Timers
4
Maximum Operating Temperature
+ 125 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, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 11 Channel
Package
28SPDIP
Device Core
PIC
Family Name
PIC18
Maximum Speed
64 MHz
Operating Supply Voltage
2.5|3.3 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC164112 - VOLTAGE LIMITER MPLAB ICD2 VPP
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
- PIC18F25K20T-ISS PDF datasheet
- PIC18F25K20T-ISS PDF datasheet #2
- PIC18F26K20-ISS PDF datasheet #3
- PIC18F26K20-ISS PDF datasheet #4
- PIC18F26K20-ISO PDF datasheet #5
- Current page: 228 of 456
- Download datasheet (4Mb)
PIC18F2XK20/4XK20
17.4.12
An Acknowledge sequence is enabled by setting the
Acknowledge Sequence Enable bit, ACKEN bit of the
SSPCON2 register. When this bit is set, the SCL pin is
pulled low and the contents of the Acknowledge data bit
are presented on the SDA pin. If the user wishes to gen-
erate an Acknowledge, then the ACKDT bit should be
cleared. If not, the user should set the ACKDT bit before
starting an Acknowledge sequence. The Baud Rate
Generator then counts for one rollover period (T
and the SCL pin is deasserted (pulled high). When the
SCL pin is sampled high (clock arbitration), the Baud
Rate Generator counts for T
pulled low. Following this, the ACKEN bit is automatically
cleared, the Baud Rate Generator is turned off and the
MSSP module then goes into Idle mode (Figure 17-23).
17.4.12.1
If the user writes the SSPBUF when an Acknowledge
sequence is in progress, then WCOL is set and the
contents of the buffer are unchanged (the write doesn’t
occur).
FIGURE 17-23:
FIGURE 17-24:
DS41303G-page 228
Note: T
Note: T
ACKNOWLEDGE SEQUENCE
TIMING
SCL
SDA
WCOL Status Flag
Falling edge of
9th clock
SSPIF
Write to SSPCON2,
BRG
BRG
Acknowledge sequence starts here,
SDA
SCL
= one Baud Rate Generator period.
= one Baud Rate Generator period.
ACKNOWLEDGE SEQUENCE WAVEFORM
STOP CONDITION RECEIVE OR TRANSMIT MODE
ACK
set PEN
SSPIF set at
the end of receive
BRG
ACKEN = 1, ACKDT = 0
. The SCL pin is then
write to SSPCON2
T
T
BRG
BRG
SDA asserted low before rising edge of clock
to setup Stop condition
8
D0
T
SCL brought high after T
BRG
BRG
)
Cleared in
software
P
T
SCL = 1 for T
after SDA sampled high. P bit (SSPSTAT<4>) is set.
BRG
T
BRG
ACK
17.4.13
A Stop bit is asserted on the SDA pin at the end of a
receive/transmit by setting the Stop Sequence Enable
bit, PEN bit of the SSPCON2 register. At the end of a
receive/transmit, the SCL line is held low after the
falling edge of the ninth clock. When the PEN bit is set,
the master will assert the SDA line low. When the SDA
line is sampled low, the Baud Rate Generator is
reloaded and counts down to ‘0’. When the Baud Rate
Generator times out, the SCL pin will be brought high
and one T
later, the SDA pin will be deasserted. When the SDA
pin is sampled high while SCL is high, the P bit of the
SSPSTAT register is set. A T
cleared and the SSPIF bit is set (Figure 17-24).
17.4.13.1
If the user writes the SSPBUF when a Stop sequence
is in progress, then the WCOL bit is set and the
contents of the buffer are unchanged (the write doesn’t
occur).
PEN bit (SSPCON2<2>) is cleared by
T
hardware and the SSPIF bit is set
BRG
9
BRG
BRG
SSPIF set at the end
of Acknowledge sequence
, followed by SDA = 1 for T
BRG
STOP CONDITION TIMING
WCOL Status Flag
ACKEN automatically cleared
(Baud Rate Generator rollover count)
2010 Microchip Technology Inc.
Cleared in
software
BRG
BRG
later, the PEN bit is
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