PIC18F26K80-E/SS Microchip Technology Inc., PIC18F26K80-E/SS Datasheet - Page 326
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PIC18F26K80-E/SS
Manufacturer Part Number
PIC18F26K80-E/SS
Description
28 SSOP .209IN TUBE, ECAN, 64KB FLASH, 4KB RAM, 16 MIPS, 12-BIT ADC, CTMU
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F46K80-IPT.pdf
(628 pages)
Specifications of PIC18F26K80-E/SS
A/d Inputs
8-Channel, 12-Bit
Comparators
2
Cpu Speed
16 MIPS
Eeprom Memory
256 Bytes
Input Output
24
Interface
I2C/SPI/UART/USART
Memory Type
Flash
Number Of Bits
8
Package Type
28-pin SSOP
Programmable Memory
64K Bytes
Ram Size
3.6K Bytes
Speed
64 MHz
Temperature Range
–40 to 125 °C
Timers
2-8-bit, 3-16-bit
Voltage, Range
1.8-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
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hardware. The Baud Rate Generator is suspended,
PIC18F66K80 FAMILY
21.4.8
To initiate a Start condition, the user sets the Start
Enable bit, SEN (SSPCON2<0>). If the SDA and SCL
pins are sampled high, the Baud Rate Generator is
reloaded with the contents of SSPADD<6:0> and starts
its count. If SCL and SDA are both sampled high when
the Baud Rate Generator times out (T
pin is driven low. The action of the SDA being driven
low while SCL is high is the Start condition and causes
the S bit (SSPSTAT<3>) to be set. Following this, the
Baud Rate Generator is reloaded with the contents of
SSPADD<6:0> and resumes its count. When the Baud
Rate Generator times out (T
(SSPCON2<0>) will be automatically cleared by
leaving the SDA line held low and the Start condition is
complete.
FIGURE 21-21:
DS39977C-page 326
I
CONDITION TIMING
2
C™ MASTER MODE START
Write to SEN bit occurs here
FIRST START BIT TIMING
SDA
SCL
BRG
), the SEN bit
BRG
), the SDA
SDA = 1,
SCL = 1
T
BRG
Preliminary
Set S bit (SSPSTAT<3>)
T
S
BRG
At completion of Start bit,
hardware clears SEN bit
21.4.8.1
If the user writes the SSPBUF when a Start sequence
is in progress, the WCOL bit is set and the contents of
the buffer are unchanged (the write doesn’t occur).
and sets SSPIF bit
Note:
Note:
T
Write to SSPBUF occurs here
BRG
1st bit
If, at the beginning of the Start condition,
the SDA and SCL pins are already
sampled low or if during the Start condi-
tion, the SCL line is sampled low before
the SDA line is driven low, a bus collision
occurs, the Bus Collision Interrupt Flag,
BCLIF, is set, the Start condition is aborted
and the I
state.
Because queueing of events is not
allowed, writing to the lower 5 bits of
SSPCON2 is disabled until the Start
condition is complete.
WCOL Status Flag
T
BRG
2
C module is reset into its Idle
2011 Microchip Technology Inc.
2nd bit
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